Overview
I am I do Microwave interdisciplinary science , where microwave can accelerate dielectric sensing and heating process. Cardiff University microwave device to help diabetics. RF/Microwave power amplifiers and applicators design , for efficient microwave power generation and delivery, and mmWave on-wafer device characterisation of GaN on Si, GaN on SiC, and GaN on Diamond transistors.COMSOL Multiphysics electromagnetic modelling , of microwave circuit design, dielectric sensing and heating problems.
Biography
Education and qualifications 2011: PhD Linear RF/Microwave High Power Amplifier, Chonbuk National University, Jeonju, Republic of Korea2006: MSc Information and Communication Engineering, Chonbuk National University, Jeonju, Republic of Korea2004: BSc Electronics and Information Engineering, Chonbuk National University, Jeonju, Republic of KoreaCareer overview 2021-present: Lecturer in High Frequency Engineering 2020-2021: As a Sêr Cymru (Star of Wales) Research Fellow at the Centre for High Frequency Engineering, Cardiff University, I am currently working on a GaN-GaME (Gallium Nitride on Diamond) project funded by EPSRC as a collaboration of University of Bristol, University of Cambridge, University of Glasgow, and University of Birmingham.2017-2020: I have worked as a Sêr Cymru (Star of Wales) Research Fellow at the Centre for High Frequency Engineering, Cardiff University, pursuing commercialisation of the microwave non-invasive blood glucose monitoring sensor with an industrial collaborator.2013-2016: I have worked on the development of non-invasive continuous blood glucose monitoring sensor, funded by Wellcome Trust. This includes development of microwave wireless wearable sensor device and a series of clinical trials.2011-2012: I have worked on the development of active harmonic load-pull system for modulated RF waveform using National Instruments’ PXI-based modular instruments by using LabVIEW. With the project funded by Engineering and Physical Sciences Research Council (EPSRC), I had two successful live demonstrations at the exhibition of National Instruments stand (Booth no. 317) in European Microwave Conference 2012 in Amsterdam, and Radio and Wireless Week 2013 in Austin, TX.
Honours and awards
2018 International Symposium on Information Technology Convergence 2018: Best Paper Award , Jeonju, Republic of Korea2016 GE Healthcare Life Sciences - Sensors Challenge (sponsored by GE Healthcare Life Science): Phase 1 Winner with "Non-invasive Microwave Sensor for Cell Therapeutics"2016 SET for BRITAIN Awards 2016 (sponsored by the UK government): Finalist in Engineering category with “Bloodless, Painless, and Accurate Microwave Continuous Blood Glucose Monitoring Sensor”2010 16th Human Tech Thesis Prize Awards (sponsored by Samsung Electronics): Honor Prize with “Efficiency Enhancement of Feedforward Amplifiers by Employing a Negative Group Delay Circuit”2009 8th Electromagnetic Wave and Broadcasting Paper Contest (sponsored by the Korean Institute of Electromagnetic Engineering Science): Silver Prize with “Efficiency Enhancement of Feed-forward Amplifiers by Employing a Negative Group Delay Circuit”2008 Research achievement contest in 2008 Chonbuk IT-Open Fair (sponsored by Advanced Graduate Education Center of Chonbuk for Electronics and Information Technology-BK21): Creative Research Award with “Digital Controlled Co-channel Feedback Interference Cancellation System with Broadband Cancellation”2008 Student High-Efficiency Power Amplifier Design Competition (sponsored by IEEE MTT-S High Power Amplifier Components Committee): Outstanding Achievement Award with “class-AB power amplifier with 68% PAE at 2.14 GHz”2006 5th Electromagnetic Wave and Broadcasting Paper Contest (sponsored by the Korean Institute of Electromagnetic Engineering Science): Bronze Prize with “Dual-band Feedforward Linear Power Amplifier Using Equal Group Delay Signal Canceller”
Professional memberships
K-TAG (Korea Technology Advisory Group): Member, 2020-nowIEEE: Member, 2006 - nowEuMA (European Microwave Association): Member. 2018 - nowKIEES (Korean Institute of Electromagnetic Engineering and Science): Member. 2004 - nowKSEAUK (The Korean Scientists and Engineers Association in the UK): Member. 2019 - now
Speaking engagements
Media Conferences 2023: (invited) International Symposium on Iniformation Technology Convergence 2023 (online), January2022: (session convener) Europe-Korea Conference on Science and Technology, Marseille, France, October2021: (session convener) Europe-Korea Conference on Science and Technology, Cambridge, UK, October2019: (podium) 17th International Conference on Microwave and High Frequency Heating: AMPERE, Valencia, Spain, September2019: (session convener and podium) Europe-Korea Conference on Science and Technology, Vienna, Austria, July2018: (invited workshop +2 talks) International Symposium on Information Technologies Convergence, Jeonju, Republic of Korea, October2018: (invited workshop) IEEE European Microwave Week 2018, Madrid, Spain, September2017: (invited) Sensors Summit 2017, San Diego, CA, US, December2017: (invited) IEEE SENSORS 2017, Glasgow, UK, November2017: (podium) IEEE MTT-S International Microwave Symposium, Honolulu, HI, US, June2016: (poster) 4th Helmholtz - Nature Medicine Diabetes Conference, Munich, Germany, September2016: (invited lecture) 8th Int'l Workshop on Novel Developments and Applications in Sensor and Actuator Technology, ISAT Coburg, Germany, September2016: (podium) IEEE 2nd Australian Microwave Symposium, Adelaide, Australia, February2014: (poster) IEEE International Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, London, UK, December2014: (invited, +2 talks) International Symposium on Information Technology Convergence, Jeonju, Republic of Korea2014: (podium) IEEE MTT-S International Microwave Symposium, Tampa, FL, US2013: (live demonstration) Radio and Wireless Week, Austin, TX, US2012: (live demonstration) European Microwave Week, Amsterdam, Netherlands2011: (podium) IEEE MTT-S International Microwave Symposium, Baltimore, MD, US2010: (poster) Asia-Pacific Microwave Conference, Yokohama, Japan2010: (podium, poster) European Microwave Week, Paris, France2009: (podium, +1 talk) European Microwave Week, Rome, Italy2008: (podium) Asia-Pacific Microwave Conference, Hong Kong2008: (poster) European Microwave Week, Amsterdam, Netherlands2007: (podium) Asia-Pacific Microwave Conference, Bangkok, Thailand2007: (poster) IEEE MTT-S International Microwave Symposium, Honolulu, HI, US2006: (podium, +2 talks) European Microwave Week, Manchester, UK2005: (podium) Asia-Pacific Microwave Conference, Suzhou, ChinaInvited seminar and public engagement 2023: Museum After Dark, National Museum Cardiff, February2022: (invited) Pohang Institute of Science and Technology (POSTECH), Pohang, Republic of Korea, March2018: (invited) Korea Electrnoics Technology Institute, Bundang, Republic of Korea, October2018: (invited) Chonbuk National University, Jeonju, Republic of Korea, October2018: (invited) Science Cafe, Porter's Cardiff, Cardiff, UK, October2017: (live demonstration) New Scientist Live, Excel London, UK2016: (invited) Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea, November2016: (invited) Chonbuk National University, Jeonju, Republic of Korea, November2016: (live demonstration) National Eisteddfod, Abergavenny, Wales, UK2013: (invited) Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea, September2013: (invited) Chonbuk National University, Jeonju, Republic of Korea, September
Committees and reviewing
Grant reviewer UKRI (UK Research and Innovation) Future Leaders Fellowship Peer Review College member (link ) EPSRC (Engineering and Physical Sciences Research Council) Associate Peer Review College Member Journal editor Guest editor, MDPI SENSORS, special issue on "Blood Glucose Sensors Based on RF, Microwave and mmWave Techniques", 2020-2021 (https://www.mdpi.com/journal/sensors/special_issues/Blood_Glucose_Sensors ) Journal Topic Board, MDPI SENSORS (https://www.mdpi.com/journal/sensors/topic_editors ) Co-Guest Editor, MDPI SENSORS, special issue on "RF, Microwave and mm Wave Sensors and Applicators for Chemical, Biological and Medical Applications", 2018 (https://goo.gl/tbYFu2 ) International conference organisation Session Convener, Europe-Korea Conference on Science and Technology 2022, Marseille, France (https://ekc2022.org/ ) Session Convener, Europe-Korea Conference on Science and Technology 2021, Cambridge, UK (https://www.ekc2021.org/day2/programme/stdivision/5 ) Science and Technology Programme Committee, Europe-Korea Conference on Science and Technology 2020, Munich, Germany (http://www.ekc2020.org, cancelled due to Covid-19) Session Convener, Europe-Korea Conference on Science and Technology 2019, Vienna, Austria (https://2019.europekoreaconference.org/page/programme/stdivision/6 ) Technical Program Co-Chairs, International Symposium on Information Technology Convergence 2018 (http://www.kism.or.kr/ISITC2018/contents.php?pageId=0103 ) Journal reviewer IEEE Transactions on Microwave Theory and Techniques IEEE Microwave and Wireless Components Letters IEEE Transactions on Circuits and Systems I: Regular Papers IEEE Transactions on Circuits and Systems II: Express Briefs IEEE Transactions on Biomedical Circuits and Systems IEEE Transactions on Electron Devices IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology IEEE Microwave Magazine IEEE Sensors Letters IET Electronics Letters Nature Communications Nature Scientific Reports Progress in Electromagnetics Research MDPI Sensors MDPI Electronics MDPI Applied Sciences MDPI Catalysts MDPI Diagnostics MDPI Energies MDPI Biosensors MDPI Materials Conference reviewer IEEE BioSensors 2023 IEEE Sensors 2022 IEEE European Microwave Week 2021 IEEE Sensors 2021 IEEE Sensors 2020 IEEE Sensors 2019
Publications
2023 2022 Choi, H., Barker, E., Abduljabar, A. A., Anumba, D. and Porch, A. 2022. Cervical tissue hydration level monitoring by a resonant microwave coaxial probe . Sensors 22(23), article number: 9527. (10.3390/s22239527 ) Barter, M. et al. 2022. Design considerations of a dual mode X-band EPR resonator for rapid in-situ microwave heating . Applied Magnetic Resonance 53, pp. 861-874. (10.1007/s00723-022-01463-1 ) 2021 2020 Ahortor, E. K., Malyshev, D., Williams, C. F., Choi, H., Lees, J., Porch, A. and Baillie, L. 2020. The biological effect of 2.45 GHz microwaves on the viability and permeability of bacterial and yeast cells . Journal of Applied Physics 127(204902), pp. IMPORTED. (10.1063/1.5145009 ) Folli, A. et al. 2020. A novel dual mode X-band EPR resonator for rapid in situ microwave heating . Journal of Magnetic Resonance 310, article number: 106644. (10.1016/j.jmr.2019.106644 ) 2019 Hamzah, H., Ahortor, E., Malyshev, D., Choi, H., Lees, J., Baillie, L. and Porch, A. 2019. A compact microwave applicator for the rapid detection of clostridium difficile . Presented at: 2019 IEEE MTT-S International Microwave Biomedical Conference (IMBioC), Nanjing, China, 6-8 May 20192019 IEEE MTT-S International Microwave Biomedical Conference (IMBioC) . IEEE, (10.1109/IMBIOC.2019.8777882 ) Williams, C. F. et al. 2019. Bioluminescence of Vibrio fischeri: bacteria respond quickly and sensitively to pulsed microwave electric (but not magnetic) fields . Journal of Biomedical Optics 24(5), article number: 51412. (10.1117/1.JBO.24.5.051412 ) Abduljabar, A. A., Choi, H. and Porch, A. 2019. Novel variable coupling technique for microwave liquid heating and sensing . Presented at: 18th Mediterranean Microwave Symposium (MMS) 2018, Istanbul, Turkey, 31 October - 2 November 201818th Mediterranean Microwave Symposium (MMS) 2018 . IEEE pp. -., (10.1109/MMS.2018.8612033 ) 2018 Choi, H., Luzio, S., Beutler, J. and Porch, A. 2018. Microwave noninvasive blood glucose monitoring sensor: penetration depth and sensitivity analysis . Presented at: IEEE MTT-S International Microwave Biomedical Conference 2018, Philadelphia, PA, US, 14-15 Jun 2018IEEE International Microwave Biomedical Conference (IMBioC) . IEEE pp. 52-54., (10.1109/IMBIOC.2018.8428850 ) 2017 Choi, H. 2017. Recent developments in minimally and truly non-invasive blood glucose monitoring techniques . Presented at: IEEE Sensors 2017, Glasgow, Scotland, 29 October - 1 November 20172017 IEEE Sensors Conference Proceedings . IEEE pp. 1-3., (10.1109/ICSENS.2017.8234291 ) Choi, H., Luzio, S., Beutler, J. and Porch, A. 2017. Microwave noninvasive blood glucose monitoring sensor: human clinical trial results . Presented at: IEEE MTT-S International Microwave Symposium 2017, Honolulu, Hawaii, USA, 4 - 9 June 2017Microwave Symposium (IMS), 2017 IEEE MTT-S International . pp. 876-879., (10.1109/MWSYM.2017.8058721 ) Abduljabar, A., Choi, H. and Porch, A. 2017. Dual feeding cavity resonator for efficiency enhancement in liquid heating applications . Electronics letters (10.1049/el.2017.2557 ) 2016 2015 Abduljabar, A., Choi, H., Barrow, D. and Porch, A. 2015. Adaptive coupling of resonators for efficient microwave heating of microfluidic systems . IEEE Transactions on Microwave Theory and Techniques 63(11), pp. 3681-3690. (10.1109/TMTT.2015.2478004 ) Choi, H., Naylon, J., Luzio, S., Buetler, J., Birchall, J., Martin, C. and Porch, A. 2015. Design and in vitro interference test of microwave noninvasive blood glucose monitoring sensor . IEEE Transactions on Microwave Theory and Techniques 63(10), pp. 3016-3025. (10.1109/TMTT.2015.2472019 ) Imtiaz, A., Lees, J., Choi, H. and Joshi, L. T. 2015. An integrated continuous class-F-1 mode power amplifier design approach for microwave enhanced portable diagnostic applications . IEEE Transactions on Microwave Theory and Techniques 63(10), pp. 3007-3015. (10.1109/TMTT.2015.2472417 ) Imtiaz, A., Hartley, J., Choi, H. and Lees, J. 2015. A high power high efficiency integrated solid-state microwave heating structure for portable diagnostic healthcare applications . Presented at: IEEE MTT-S 2014 IEEE International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, London, 8-10 December 20142014 IEEE MTT-S international microwave workshop series on RF and wireless technologies for biomedical and healthcare applications (IMWS-Bio) . IEEE pp. 1-3., (10.1109/IMWS-BIO.2014.7032437 ) Choi, H., Jack, N., Luzio, S., Beutler, J. and Porch, A. 2015. Design of continuous non-invasive blood glucose monitoring
sensor based on a microwave split ring resonator . Presented at: IEEE MTT-S 2014 IEEE International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, London, 8-10 December 20142014 IEEE MTT-S International Microwave Workshop series on RF and wireless technologies for biomedical and healthcare applications (IMWS-Bio) . IEEE pp. 1-3., (10.1109/IMWS-BIO.2014.7032398 ) 2014 Cuenca, J., Choi, H., Hartley, J. and Porch, A. 2014. Microwave detection of photodielectric effects in antimony tin oxide . Presented at: 2014 International Symposium on Information Technology Convergence (ISITC 2014), Jeonju, Republic of Korea, 30-31 October 2014. Choi, H., Cuenca, J., Hartley, J. and Porch, A. 2014. Observation of change in microwave properties during solid to liquid phase transformation of gallium . Presented at: 2014 International Symposium on Information Technology Convergence (ISITC 2014), Jeonju, Republic of Korea, 30-31 October 2014. Hartley, J., Lees, J., Cuenca, J. and Choi, H. 2014. Assessment of machine oil quality by microwave cavity perturbation method . Presented at: 2014 International Symposium on Information Technology Convergence (ISITC 2014), Jeonju, Republic of Korea, 30-31 October 2014. Yang, F., Lees, J., Choi, H., Yu, H. and Tasker, P. J. 2014. Continuous class BJ power amplifier with DGS output matching . Presented at: 83rd ARFTG Microwave Measurement Conference 2014, Tampa, USA, 6 June 2014Microwave Symposium (IMS), 2014 IEEE MTT-S International . IEEE pp. 1-4., (10.1109/MWSYM.2014.6848562 ) Choi, H., Cuenca, J. A., Attard, G. and Porch, A. 2014. A novel concentration detection method of hydrogen peroxide using microwave cavity perturbation technique . Presented at: 44th European Microwave Conference (EuMC) 2014, Rome, Italy, 6-9 October 201444th European Microwave Conference (EuMC 2014) . Picastaway, NJ: IEEE pp. 632-635., (10.1109/EuMC.2014.6986513 ) 2013 Yusoff, Z., Lees, J., Chaudhary, M. A., Carrubba, V., Choi, H., Tasker, P. J. and Cripps, S. C. 2013. Simple and low-cost tracking generator design in envelope tracking radio frequency power amplifier system for WCDMA applications . IET Microwaves, Antennas & Propagation 7(10), pp. 802-808. (10.1049/iet-map.2013.0091 ) 2012 Bensmida, S. et al. 2012. Nonlinear envelope tracking for efficiency optimization of power amplifiers . Presented at: 7th European Microwave Integrated Circuits Conference (EuMIC) 2012, Amsterdam, The Netherlands, 29-30 October 20127th European Microwave Integrated Circuits Conference (EuMIC), 2012 . Picastaway, NJ: IEEE pp. 480-483. McGenn, W., Choi, H., Lees, J., Uren, M. J., Benedikt, J. and Tasker, P. J. 2012. Development of a RF waveform stress test procedure for GaN HFETs subjected to infinite VSWR sweeps . Presented at: 2012 IEEE MTT-S International Microwave Symposium Digest, Montreal, Canada, 17-22 June 2012Microwave Symposium Digest (MTT), 2012 IEEE MTT-S International . IEEE pp. 1-3., (10.1109/MWSYM.2012.6259725 ) Chaudhary, G., Choi, H., Jeong, Y., Lim, J. and Kim, C. D. 2012. Design of group delay time controller based on a reflective parallel resonator . Etri Journal 34(2), pp. 210-215. Akmal, M. et al. 2012. Characterization of electrical memory effects for complex multi-tone excitations using broadband active baseband load-pull . Presented at: 7th European Microwave Integrated Circuits Conference, Amsterdam, The Netherlands, 29-30 October 20127th European Microwave Integrated Circuits Conference (EuMIC), 2012 . Picastaway, NJ: IEEE pp. 885-888. 2011 Chaudhary, G., Choi, H., Jeong, Y., Lim, J., Kim, D. and Kim, J. 2011. Design of dual-band bandpass filter using DGS with controllable second passband . IEEE Microwave and Wireless Components Letters 21(11), pp. 589-591. (10.1109/LMWC.2011.2167140 ) Choi, H., Jeong, Y., Lim, J., Eom, S. and Jung, Y. 2011. A novel design for a dual-band negative group delay circuit . IEEE Microwave and Wireless Components Letters 21(1), pp. 19-21. (10.1109/LMWC.2010.2089675 ) Choi, H., Chaudhary, G., Moon, T., Jeong, Y., Lim, J. and Kim, C. D. 2011. A design of composite negative group delay circuit with lower signal attenuation for performance improvement of power amplifier linearization techniques . Presented at: 2011 IEEE/MTT-S International Microwave Symposium, Baltimore, MD, USA, 5-10 June 20112011 IEEE MTT-S International Microwave Symposium Digest (MTT) . Picastaway, NJ: IEEE pp. 1-4., (10.1109/MWSYM.2011.5972599 ) 2010 Jeong, Y., Choi, H. and Kim, C. D. 2010. Experimental verification for time advancement of negative group delay in RF electronic circuits . Electronics letters 46(4), pp. 306-307. (10.1049/el.2010.3147 ) Choi, H., Jeong, Y., Kim, C. D. and Kenney, J. S. 2010. Efficiency enhancement of feedforward amplifiers by employing a negative group-delay circuit . IEEE Transactions on Microwave Theory and Techniques 58(5), pp. 1116-1125. (10.1109/TMTT.2010.2045576 ) Choi, H., Jeong, Y., Kim, C. D. and Kenney, J. S. 2010. Bandwidth enhancement of an analog feedback amplifier by employing a negative group delay circuit . Progress In Electromagnetics Research 105, pp. 253-272. (10.2528/PIER10041808 ) 2009 Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. D. 2009. Dual-band feedforward linear power amplifier for digital cellular and IMT-2000 base-station . Microwave and Optical Technology Letters 51(4), pp. 922-926. (10.1002/mop.24198 ) Choi, H., Lim, J. and Jeong, Y. 2009. Harmonics terminated L-band frequency quadrupler using composite right/left-handed transmission line . Electronics letters 45(4), pp. 208-210. (10.1049/el:20093331 ) Choi, H., Song, K., Jeong, Y., Kenney, J. S. and Kim, C. D. 2009. Propagation delay matched CMOS 0.18 μm frequency doubler for L-band application . Microwave and Optical Technology Letters 51(7), pp. 1729-1732. (10.1002/mop.24420 ) 2008 Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. 2008. Cross cancellation technique employing an error amplifier [Letter] . IEEE Microwave and Wireless Components Letters 18(7), pp. 488-490. Choi, H., Kenney, J. S., Jeong, Y. and Kim, C. 2008. Design of a microwave group delay time adjuster and its application to a feedforward power amplifier . Microwave Journal 51(2), pp. 88-100. Song, K., Choi, H., Kim, C. D., Kenney, J. S. and Jeong, Y. 2008. Delay matching compensated CMOS microwave frequency doubler . Presented at: 38th European Microwave Conference 2008, Amsterdam, The Netherlands, 27-31 October 200838th European Microwave Conference 2008 . Picastaway: IEEE pp. 464-467., (10.1109/EUMC.2008.4751489 ) Choi, H., Song, K., Kim, C. D. and Jeong, Y. 2008. Synthesis of negative group delay time circuit . Presented at: 2008 Asia- Pacific Microwave Conference, Macau, China, 16-20 December 20082008 Asia- Pacific Microwave Conference APMC 2008 . Picastaway: IEEE pp. 1-4., (10.1109/APMC.2008.4958248 ) Song, K., Jeong, Y. and Choi, H. 2008. Varactor tunned high-Q aictive inductor with broadband tuning range . Presented at: International SoC Design Conference, Busan, South Korea, 24-25 November 20082008 International Soc Design Conference (Isocc) . Picastaway, NJ: IEEE pp. III-42., (10.1109/SOCDC.2008.4815740 ) 2007 Park, S., Choi, H. and Jeong, Y. 2007. Microwave group delay time adjuster using parallel resonator . IEEE Microwave and Wireless Components Letters 17(2), pp. 109-111. (10.1109/LMWC.2006.890331 ) Jeong, S., Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. 2007. High efficiency distributed amplifier using optimum transmission line . Presented at: 2007 European Microwave Conference, Munich, 9-12 October 20072007 European Microwave Conference . Picastaway: IEEE pp. 1085-1088., (10.1109/EUMC.2007.4405386 ) Seo, S., Ryu, N., Choi, H. and Jeong, Y. 2007. Novel high-Q inductor using active inductor structure and feedback parallel resonance circuit . Presented at: 2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, Honolulu, Hawaii, 467-4702007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium . Picastaway: IEEE pp. 467-470., (10.1109/RFIC.2007.380925 ) Choi, H., Jeong, Y. and Kenney, J. S. 2007. Dual-band feedforward linear power amplifier using equal group delay signal canceller . Presented at: 2007 Asia Pacific Microwave Conference, Bangkok, Thailand, 11-14 Dec 20072007 Asia Pacific Microwave Conference . Picastaway, NJ: IEEE pp. 1-4., (10.1109/APMC.2007.4555143 ) Jeong, S., Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. 2007. High efficiency distributed amplifier using optimum transmission line . Presented at: European Microwave Integrated Circuits Conference (EUMIC), Munich, Germany, 8-10 October 20072007 European Microwave Integrated Circuits Conference . Picastaway, NJ: IEEE pp. 287-290., (10.1109/EMICC.2007.4412705 ) Jeong, S., Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. 2007. High efficiency distributed amplifier using optimum transmission line . Presented at: European Conference on Wireless Technologies (ECWT), Munich, Germany, 8-10 October 20072007 European Conference on Wireless Technologies . Picastaway, NJ: IEEE pp. 367-370., (10.1109/ECWT.2007.4404023 ) Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. D. 2007. Cross post-distortion balanced power amplifier . Presented at: IEEE/MTT-S International Microwave Symposium 2007, Honolulu, USA, 3-8 June 2007IEEE/MTT-S International Microwave Symposium, 2007 . Picastaway, NJ: IEEE pp. 1115-1118., (10.1109/MWSYM.2007.380289 ) 2006 Choi, H., Lim, J. and Jeong, Y. 2006. A new design of Doherty amplifiers using defected ground structure . IEEE Microwave and Wireless Component Letters 16(12), pp. 687-689. (10.1109/LMWC.2006.885636 ) Choi, H., Lim, J., Jeong, Y. and Kim, C. 2006. Doherty amplifier using load modulation and phase compensation DGS microstrip line . Presented at: 36th European Microwave Conference 2006, Manchester, England, 10-15 September 20062006 European Microwave Conference . Picastaway: IEEE pp. 352-355., (10.1109/EUMC.2006.281346 ) Lee, J., Park, S., Choi, H., jeong, Y. and Yun, J. 2006. A design of co-channel feedback interference cancellation system using analog control . Presented at: 36th European Microwave Conference, Manchester, England, 10-15 September 20062006 European Microwave Conference . Picastaway, NJ: IEEE pp. 153-156., (10.1109/EUMC.2006.281241 ) Park, S., Ryu, N., Choi, H., Jeong, Y. and Kim, C. 2006. A novel design of frequency multiplier using feedforward technique and defected ground structure . Presented at: 36th European Microwave Conference 2006, Manchester, England, 10-15 September 20062006 European Microwave Conference . Picastaway, NJ: IEEE pp. 224-227., (10.1109/EUMC.2006.281277 ) 2005 Choi, H., Jeong, H., Kim, Y., Lim, J., Kim, C. and Jeong, Y. 2005. Dual-band predistortion power amplifier for digital cellular and IMT-2000 base-station application . Presented at: Asia-Pacific Microwave Conference 2005 (APCM 2005), Suzhou, China, 4-7 December 2005 Presented at Hong, W., Cui, T. J. and Fang, D. G. eds.Microwave Conference Proceedings, 2005, APMC 2005, Asia-Pacific Conference Proceedings , Vol. 1. Picastaway: IEEE pp. 1., (10.1109/APMC.2005.1606225 ) Articles Sauchelli, S. et al. 2023. Public attitudes towards the use of novel technologies in their future healthcare: a UK survey . BMC Medical Informatics and Decision Making 23, article number: 38. (10.1186/s12911-023-02118-2 ) Magri, G. et al. 2023. An in-situ study of the thermal decomposition of 2,2'-azobis(2-methylpropionitrile) radical chemistry using a dual-mode EPR resonator . Research on Chemical Intermediates 49, pp. 289-305. (10.1007/s11164-022-04861-z ) Choi, H., Barker, E., Abduljabar, A. A., Anumba, D. and Porch, A. 2022. Cervical tissue hydration level monitoring by a resonant microwave coaxial probe . Sensors 22(23), article number: 9527. (10.3390/s22239527 ) Barter, M. et al. 2022. Design considerations of a dual mode X-band EPR resonator for rapid in-situ microwave heating . Applied Magnetic Resonance 53, pp. 861-874. (10.1007/s00723-022-01463-1 ) Riedel, R. et al. 2021. Superalkali-alkalide interactions and ion pairing in low-polarity solvents . Journal of the American Chemical Society 143(10), pp. 3934-3943. (10.1021/jacs.1c00115 ) Ahortor, E. K., Malyshev, D., Williams, C. F., Choi, H., Lees, J., Porch, A. and Baillie, L. 2020. The biological effect of 2.45 GHz microwaves on the viability and permeability of bacterial and yeast cells . Journal of Applied Physics 127(204902), pp. IMPORTED. (10.1063/1.5145009 ) Folli, A. et al. 2020. A novel dual mode X-band EPR resonator for rapid in situ microwave heating . Journal of Magnetic Resonance 310, article number: 106644. (10.1016/j.jmr.2019.106644 ) Williams, C. F. et al. 2019. Bioluminescence of Vibrio fischeri: bacteria respond quickly and sensitively to pulsed microwave electric (but not magnetic) fields . Journal of Biomedical Optics 24(5), article number: 51412. (10.1117/1.JBO.24.5.051412 ) Abduljabar, A., Choi, H. and Porch, A. 2017. Dual feeding cavity resonator for efficiency enhancement in liquid heating applications . Electronics letters (10.1049/el.2017.2557 ) Abduljabar, A., Choi, H., Barrow, D. and Porch, A. 2015. Adaptive coupling of resonators for efficient microwave heating of microfluidic systems . IEEE Transactions on Microwave Theory and Techniques 63(11), pp. 3681-3690. (10.1109/TMTT.2015.2478004 ) Choi, H., Naylon, J., Luzio, S., Buetler, J., Birchall, J., Martin, C. and Porch, A. 2015. Design and in vitro interference test of microwave noninvasive blood glucose monitoring sensor . IEEE Transactions on Microwave Theory and Techniques 63(10), pp. 3016-3025. (10.1109/TMTT.2015.2472019 ) Imtiaz, A., Lees, J., Choi, H. and Joshi, L. T. 2015. An integrated continuous class-F-1 mode power amplifier design approach for microwave enhanced portable diagnostic applications . IEEE Transactions on Microwave Theory and Techniques 63(10), pp. 3007-3015. (10.1109/TMTT.2015.2472417 ) Yusoff, Z., Lees, J., Chaudhary, M. A., Carrubba, V., Choi, H., Tasker, P. J. and Cripps, S. C. 2013. Simple and low-cost tracking generator design in envelope tracking radio frequency power amplifier system for WCDMA applications . IET Microwaves, Antennas & Propagation 7(10), pp. 802-808. (10.1049/iet-map.2013.0091 ) Chaudhary, G., Choi, H., Jeong, Y., Lim, J. and Kim, C. D. 2012. Design of group delay time controller based on a reflective parallel resonator . Etri Journal 34(2), pp. 210-215. Chaudhary, G., Choi, H., Jeong, Y., Lim, J., Kim, D. and Kim, J. 2011. Design of dual-band bandpass filter using DGS with controllable second passband . IEEE Microwave and Wireless Components Letters 21(11), pp. 589-591. (10.1109/LMWC.2011.2167140 ) Choi, H., Jeong, Y., Lim, J., Eom, S. and Jung, Y. 2011. A novel design for a dual-band negative group delay circuit . IEEE Microwave and Wireless Components Letters 21(1), pp. 19-21. (10.1109/LMWC.2010.2089675 ) Jeong, Y., Choi, H. and Kim, C. D. 2010. Experimental verification for time advancement of negative group delay in RF electronic circuits . Electronics letters 46(4), pp. 306-307. (10.1049/el.2010.3147 ) Choi, H., Jeong, Y., Kim, C. D. and Kenney, J. S. 2010. Efficiency enhancement of feedforward amplifiers by employing a negative group-delay circuit . IEEE Transactions on Microwave Theory and Techniques 58(5), pp. 1116-1125. (10.1109/TMTT.2010.2045576 ) Choi, H., Jeong, Y., Kim, C. D. and Kenney, J. S. 2010. Bandwidth enhancement of an analog feedback amplifier by employing a negative group delay circuit . Progress In Electromagnetics Research 105, pp. 253-272. (10.2528/PIER10041808 ) Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. D. 2009. Dual-band feedforward linear power amplifier for digital cellular and IMT-2000 base-station . Microwave and Optical Technology Letters 51(4), pp. 922-926. (10.1002/mop.24198 ) Choi, H., Lim, J. and Jeong, Y. 2009. Harmonics terminated L-band frequency quadrupler using composite right/left-handed transmission line . Electronics letters 45(4), pp. 208-210. (10.1049/el:20093331 ) Choi, H., Song, K., Jeong, Y., Kenney, J. S. and Kim, C. D. 2009. Propagation delay matched CMOS 0.18 μm frequency doubler for L-band application . Microwave and Optical Technology Letters 51(7), pp. 1729-1732. (10.1002/mop.24420 ) Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. 2008. Cross cancellation technique employing an error amplifier [Letter] . IEEE Microwave and Wireless Components Letters 18(7), pp. 488-490. Choi, H., Kenney, J. S., Jeong, Y. and Kim, C. 2008. Design of a microwave group delay time adjuster and its application to a feedforward power amplifier . Microwave Journal 51(2), pp. 88-100. Park, S., Choi, H. and Jeong, Y. 2007. Microwave group delay time adjuster using parallel resonator . IEEE Microwave and Wireless Components Letters 17(2), pp. 109-111. (10.1109/LMWC.2006.890331 ) Choi, H., Lim, J. and Jeong, Y. 2006. A new design of Doherty amplifiers using defected ground structure . IEEE Microwave and Wireless Component Letters 16(12), pp. 687-689. (10.1109/LMWC.2006.885636 ) Conferences Hamzah, H., Ahortor, E., Malyshev, D., Choi, H., Lees, J., Baillie, L. and Porch, A. 2019. A compact microwave applicator for the rapid detection of clostridium difficile . Presented at: 2019 IEEE MTT-S International Microwave Biomedical Conference (IMBioC), Nanjing, China, 6-8 May 20192019 IEEE MTT-S International Microwave Biomedical Conference (IMBioC) . IEEE, (10.1109/IMBIOC.2019.8777882 ) Abduljabar, A. A., Choi, H. and Porch, A. 2019. Novel variable coupling technique for microwave liquid heating and sensing . Presented at: 18th Mediterranean Microwave Symposium (MMS) 2018, Istanbul, Turkey, 31 October - 2 November 201818th Mediterranean Microwave Symposium (MMS) 2018 . IEEE pp. -., (10.1109/MMS.2018.8612033 ) Choi, H., Luzio, S., Beutler, J. and Porch, A. 2018. Microwave noninvasive blood glucose monitoring sensor: penetration depth and sensitivity analysis . Presented at: IEEE MTT-S International Microwave Biomedical Conference 2018, Philadelphia, PA, US, 14-15 Jun 2018IEEE International Microwave Biomedical Conference (IMBioC) . IEEE pp. 52-54., (10.1109/IMBIOC.2018.8428850 ) Choi, H. 2017. Recent developments in minimally and truly non-invasive blood glucose monitoring techniques . Presented at: IEEE Sensors 2017, Glasgow, Scotland, 29 October - 1 November 20172017 IEEE Sensors Conference Proceedings . IEEE pp. 1-3., (10.1109/ICSENS.2017.8234291 ) Choi, H., Luzio, S., Beutler, J. and Porch, A. 2017. Microwave noninvasive blood glucose monitoring sensor: human clinical trial results . Presented at: IEEE MTT-S International Microwave Symposium 2017, Honolulu, Hawaii, USA, 4 - 9 June 2017Microwave Symposium (IMS), 2017 IEEE MTT-S International . pp. 876-879., (10.1109/MWSYM.2017.8058721 ) Choi, H., Luzio, S. and Porch, A. 2016. Dielectric properties of aqueous glucose solutions using microwave cavity and coaxial probe . Presented at: 2nd Australian Microwave Symposium, Adelaide, Australia, 11-12 February 20162016 IEEE 2nd Australian Microwave Symposium (AMS 2016) . Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE) pp. 7-8., (10.1109/AUSMS.2016.7593467 ) Imtiaz, A., Hartley, J., Choi, H. and Lees, J. 2015. A high power high efficiency integrated solid-state microwave heating structure for portable diagnostic healthcare applications . Presented at: IEEE MTT-S 2014 IEEE International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, London, 8-10 December 20142014 IEEE MTT-S international microwave workshop series on RF and wireless technologies for biomedical and healthcare applications (IMWS-Bio) . IEEE pp. 1-3., (10.1109/IMWS-BIO.2014.7032437 ) Choi, H., Jack, N., Luzio, S., Beutler, J. and Porch, A. 2015. Design of continuous non-invasive blood glucose monitoring
sensor based on a microwave split ring resonator . Presented at: IEEE MTT-S 2014 IEEE International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, London, 8-10 December 20142014 IEEE MTT-S International Microwave Workshop series on RF and wireless technologies for biomedical and healthcare applications (IMWS-Bio) . IEEE pp. 1-3., (10.1109/IMWS-BIO.2014.7032398 ) Cuenca, J., Choi, H., Hartley, J. and Porch, A. 2014. Microwave detection of photodielectric effects in antimony tin oxide . Presented at: 2014 International Symposium on Information Technology Convergence (ISITC 2014), Jeonju, Republic of Korea, 30-31 October 2014. Choi, H., Cuenca, J., Hartley, J. and Porch, A. 2014. Observation of change in microwave properties during solid to liquid phase transformation of gallium . Presented at: 2014 International Symposium on Information Technology Convergence (ISITC 2014), Jeonju, Republic of Korea, 30-31 October 2014. Hartley, J., Lees, J., Cuenca, J. and Choi, H. 2014. Assessment of machine oil quality by microwave cavity perturbation method . Presented at: 2014 International Symposium on Information Technology Convergence (ISITC 2014), Jeonju, Republic of Korea, 30-31 October 2014. Yang, F., Lees, J., Choi, H., Yu, H. and Tasker, P. J. 2014. Continuous class BJ power amplifier with DGS output matching . Presented at: 83rd ARFTG Microwave Measurement Conference 2014, Tampa, USA, 6 June 2014Microwave Symposium (IMS), 2014 IEEE MTT-S International . IEEE pp. 1-4., (10.1109/MWSYM.2014.6848562 ) Choi, H., Cuenca, J. A., Attard, G. and Porch, A. 2014. A novel concentration detection method of hydrogen peroxide using microwave cavity perturbation technique . Presented at: 44th European Microwave Conference (EuMC) 2014, Rome, Italy, 6-9 October 201444th European Microwave Conference (EuMC 2014) . Picastaway, NJ: IEEE pp. 632-635., (10.1109/EuMC.2014.6986513 ) Bensmida, S. et al. 2012. Nonlinear envelope tracking for efficiency optimization of power amplifiers . Presented at: 7th European Microwave Integrated Circuits Conference (EuMIC) 2012, Amsterdam, The Netherlands, 29-30 October 20127th European Microwave Integrated Circuits Conference (EuMIC), 2012 . Picastaway, NJ: IEEE pp. 480-483. McGenn, W., Choi, H., Lees, J., Uren, M. J., Benedikt, J. and Tasker, P. J. 2012. Development of a RF waveform stress test procedure for GaN HFETs subjected to infinite VSWR sweeps . Presented at: 2012 IEEE MTT-S International Microwave Symposium Digest, Montreal, Canada, 17-22 June 2012Microwave Symposium Digest (MTT), 2012 IEEE MTT-S International . IEEE pp. 1-3., (10.1109/MWSYM.2012.6259725 ) Akmal, M. et al. 2012. Characterization of electrical memory effects for complex multi-tone excitations using broadband active baseband load-pull . Presented at: 7th European Microwave Integrated Circuits Conference, Amsterdam, The Netherlands, 29-30 October 20127th European Microwave Integrated Circuits Conference (EuMIC), 2012 . Picastaway, NJ: IEEE pp. 885-888. Choi, H., Chaudhary, G., Moon, T., Jeong, Y., Lim, J. and Kim, C. D. 2011. A design of composite negative group delay circuit with lower signal attenuation for performance improvement of power amplifier linearization techniques . Presented at: 2011 IEEE/MTT-S International Microwave Symposium, Baltimore, MD, USA, 5-10 June 20112011 IEEE MTT-S International Microwave Symposium Digest (MTT) . Picastaway, NJ: IEEE pp. 1-4., (10.1109/MWSYM.2011.5972599 ) Song, K., Choi, H., Kim, C. D., Kenney, J. S. and Jeong, Y. 2008. Delay matching compensated CMOS microwave frequency doubler . Presented at: 38th European Microwave Conference 2008, Amsterdam, The Netherlands, 27-31 October 200838th European Microwave Conference 2008 . Picastaway: IEEE pp. 464-467., (10.1109/EUMC.2008.4751489 ) Choi, H., Song, K., Kim, C. D. and Jeong, Y. 2008. Synthesis of negative group delay time circuit . Presented at: 2008 Asia- Pacific Microwave Conference, Macau, China, 16-20 December 20082008 Asia- Pacific Microwave Conference APMC 2008 . Picastaway: IEEE pp. 1-4., (10.1109/APMC.2008.4958248 ) Song, K., Jeong, Y. and Choi, H. 2008. Varactor tunned high-Q aictive inductor with broadband tuning range . Presented at: International SoC Design Conference, Busan, South Korea, 24-25 November 20082008 International Soc Design Conference (Isocc) . Picastaway, NJ: IEEE pp. III-42., (10.1109/SOCDC.2008.4815740 ) Jeong, S., Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. 2007. High efficiency distributed amplifier using optimum transmission line . Presented at: 2007 European Microwave Conference, Munich, 9-12 October 20072007 European Microwave Conference . Picastaway: IEEE pp. 1085-1088., (10.1109/EUMC.2007.4405386 ) Seo, S., Ryu, N., Choi, H. and Jeong, Y. 2007. Novel high-Q inductor using active inductor structure and feedback parallel resonance circuit . Presented at: 2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, Honolulu, Hawaii, 467-4702007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium . Picastaway: IEEE pp. 467-470., (10.1109/RFIC.2007.380925 ) Choi, H., Jeong, Y. and Kenney, J. S. 2007. Dual-band feedforward linear power amplifier using equal group delay signal canceller . Presented at: 2007 Asia Pacific Microwave Conference, Bangkok, Thailand, 11-14 Dec 20072007 Asia Pacific Microwave Conference . Picastaway, NJ: IEEE pp. 1-4., (10.1109/APMC.2007.4555143 ) Jeong, S., Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. 2007. High efficiency distributed amplifier using optimum transmission line . Presented at: European Microwave Integrated Circuits Conference (EUMIC), Munich, Germany, 8-10 October 20072007 European Microwave Integrated Circuits Conference . Picastaway, NJ: IEEE pp. 287-290., (10.1109/EMICC.2007.4412705 ) Jeong, S., Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. 2007. High efficiency distributed amplifier using optimum transmission line . Presented at: European Conference on Wireless Technologies (ECWT), Munich, Germany, 8-10 October 20072007 European Conference on Wireless Technologies . Picastaway, NJ: IEEE pp. 367-370., (10.1109/ECWT.2007.4404023 ) Choi, H., Jeong, Y., Kenney, J. S. and Kim, C. D. 2007. Cross post-distortion balanced power amplifier . Presented at: IEEE/MTT-S International Microwave Symposium 2007, Honolulu, USA, 3-8 June 2007IEEE/MTT-S International Microwave Symposium, 2007 . Picastaway, NJ: IEEE pp. 1115-1118., (10.1109/MWSYM.2007.380289 ) Choi, H., Lim, J., Jeong, Y. and Kim, C. 2006. Doherty amplifier using load modulation and phase compensation DGS microstrip line . Presented at: 36th European Microwave Conference 2006, Manchester, England, 10-15 September 20062006 European Microwave Conference . Picastaway: IEEE pp. 352-355., (10.1109/EUMC.2006.281346 ) Lee, J., Park, S., Choi, H., jeong, Y. and Yun, J. 2006. A design of co-channel feedback interference cancellation system using analog control . Presented at: 36th European Microwave Conference, Manchester, England, 10-15 September 20062006 European Microwave Conference . Picastaway, NJ: IEEE pp. 153-156., (10.1109/EUMC.2006.281241 ) Park, S., Ryu, N., Choi, H., Jeong, Y. and Kim, C. 2006. A novel design of frequency multiplier using feedforward technique and defected ground structure . Presented at: 36th European Microwave Conference 2006, Manchester, England, 10-15 September 20062006 European Microwave Conference . Picastaway, NJ: IEEE pp. 224-227., (10.1109/EUMC.2006.281277 ) Choi, H., Jeong, H., Kim, Y., Lim, J., Kim, C. and Jeong, Y. 2005. Dual-band predistortion power amplifier for digital cellular and IMT-2000 base-station application . Presented at: Asia-Pacific Microwave Conference 2005 (APCM 2005), Suzhou, China, 4-7 December 2005 Presented at Hong, W., Cui, T. J. and Fang, D. G. eds.Microwave Conference Proceedings, 2005, APMC 2005, Asia-Pacific Conference Proceedings , Vol. 1. Picastaway: IEEE pp. 1., (10.1109/APMC.2005.1606225 )
Teaching
Module leader EN3024 Engineering Project Management (Year 3) EN3400 Individual Project (Year 3) Contribution ENT898 High Frequency Power Amplifiers (MSc) EN4110 Mechatronics Design Group Project (MEng) EN3461 Medical Electronics 1 (Year 3) Project supervision (Year 3) Project supervision (MSc)
Research aim The aim of my research is to improve quality of life of people, therefore I focus primarily on the translation of laboratory-based technology into real-world application, through feasibility test, scaling up and commercialisation.
Show-case: Microwave Non-invasive Blood Glucose Monitor Funding Title People Funder Value Duration High efficiency power amplifier H Choi (PI), R Quaglia (Co-I) RFHIC £40,000 03/2023 - 06/2023 Knowledge Transfer Partnership A Porch (PI), H Choi (Co-I) Innovate UK £284,000 04/2023 - 03/2025 Non-invasive blood glucose monitor H Choi (PI), A Porch (Co-I) GlucoRX £15,000 05/2022 - 07/2022 Non-invasive blood glucose monitor H Choi (PI), A Porch (Co-I) GlucoRX £15,000 02/2022 - 04/2022 Non-invasive blood glucose monitor H Choi (PI), A Porch (Co-I) GlucoRX £36,000 11/2021 - 01/2022 Non-invasive blood glucose monitor A Porch (PI), H Choi (Co-I) GlucoRX £234,700 07/2022 GW4-PATH G Lasseter (PI), H Choi (Co-I) (and others) GW4 Crucible 2019 Seed-Funding £5,413 07/2019 - 04/2020 Sêr Cymru II Research Fellowship H Choi Welsh Government - ERDF £191,666 05/2017 - 04/2020
Supervision
Supervised areas I am available to supervise PhD, MSc students, project students (undergraduate and postgraduate), interns and visiting students on the following topics:
Microwave non-invasive sensing problemsMicrowave dielctric characterisation and sensing Microwave resonators and cavity perturbation technique Microwave sensor electronics design Microwave heating problems Resonant and non-resonant power applicators Bespoke power amplifiers Oprimised power amplifier-applicator design Microwave circuit problems High power amplifiers High efficiency amplifiers Power amplifier linearisation Miniaturised microwave electronics Multiphysics modelling problems Resonator design Microwave continuous and pulsed heating modelling I am also open to other disciplines! Current supervision Title Student Degree Year Role RF methods in additive manufacturing Jake Jones PhD 07/2022-06/2026 Co-supervisor (25%) Metal-Free Catalyst Development Using Microwaves Sampurna Das PhD 10/2022-09/2026 Co-supervisor (25%)
Current supervision
Research student
Research student
Past projects
MSc projects Title Student Degree Year Role Electromagnetic modelling of GaN-on-SiC and GaN-on-Diamond transistors for 5G Rui Zheng MSc 2023 Supervisor Miniaturised Vector Network Analyser Design for Wearable Sensor Application Weinan Sun MSc 2023 Supervisor Portable Microwave Power Amplifier for Rapid DNA release Aarish Mushtaq MSc 2022 Supervisor Electromagnetic modelling of GaN-on-SiC transistors layout for 5G Jiale Niu MSc 2022 Supervisor
MEng Mechatronics group projects Title Students Degree Year Role STAR: Star Tracker for Astrophotography Lauren Shea, Bethan Soanes, Harry Stracey, Sam Sowden MEng 2023 Supervisor STAR: Star Tracker for Astrophotography Marcus Flint, Jean-Baptiste Urvoy, Joe Goodwin, Kacper Tomczyk, Toby Bugler, Rupert I/ronside-Smith MEng 2022 Supervisor
Research internship projects Title Student Home Institution Year Role Sampling using microwaves in brewing process to avoid contamination Blaise Ardillon, Florian Mansouri ENSEIRB-MATMECA Bordeaux INP, France 2022 Supervisor Portable microwave power amplifier for rapid DNA release Christopher Moreau, Corentin Guerard ENSEIRB-MATMECA Bordeaux INP, France 2018 Supervisor DNA detection based on microwave absorption Zachary Higgs Iowa State University, IA, US 2018 Co-supervisor