Dr Yi Wang

Biography

2011 to present: Senior Lecturer, University of Greenwich.

2004-2011: Research Fellow, University of Birmingham.

Dr Yi Wang collaborates with labaratories, universities and industries on joint publications and projects. He is a peer reviewer for a number of journals and conferences, and was reviewer and publication coordinator for the 9th International Symposium of HTSHFF in 2006.

Dr Yi Wang has authored and co-authored 23 papers in refereed journals and 24 conference papers, and presented in major IEEE symposia, European Microwave Conferences, and many other meetings, conferences and workshops, including invited talks at SCENET Superconducting Electronics Working Group and at the Institute of Physics, Chinese Academy of Sciences.

Research/scholarly interests

• Emerging device technologies (smart, reconfigurable, versatile)
• Microwave theory and technology: novel planar/waveguide circuit design, filter/multiplexer synthesis
• Antenna array and beam-forming network
• Millimetre wave (mm-wave) devices for power sensing, radars and comms
• Micromachining and RF-MEMS
• Meta-material based structures and circuits
• Microwave characterisations of materials and mm-wave measurement
• Very open mind on: Microwave interfaces in photonics, microwave application in biomedicine, passive sensors, wireless energy transfer, sub-mm and terahertz waveguide devices

Specialist interests 

• Microwave Engineering
• Electromagnetics and Antenna

Selected publications

Journal papers

Wang, Y., Ke, M., Lancaster, M., and Chen, J. (2011) Micro-machined 300 GHz SU-8 based slotted waveguide antenna. IEEE Antennas and Wireless Propagation Letters.

Wang, Y. et al. (2011) Polymer-based micro-machined rectangular coaxial filters for millimeter-wave applications. International Journal of Microwave and Wireless Technologies, March 2011.

Shang, X., Ke, M., Wang, Y., and Lancaster, M. (2011) Micro-machined w-band through waveguide and filter with two H-plane back-to-back bends. IET Microw. Antenn. Propag., 5(3), pp. 334–39.

Prest, M.J., Wang, Y., Huang, F., and Lancaster, M.J. (2010) Tuning of a superconducting microwave resonator at 77 K using an integrated micromachined silicon vertical actuator. J. Micromech. Microeng., 20 (2010) 095032.

Wang, Y., Ke, M., and Lancaster, M.J. (2010) Micro-machined air-filled patch antennas for millimetre-wave applications. Microwave and Optical Technology Letters, 52(6), pp. 1345–47, March 2010.

Wang, Y., Ke, M., Lancaster, M.J., and Huang, F. (2009) Micro-machined millimeter-wave rectangular-coaxial branch-line couplers with enhanced bandwidth. IEEE Trans. Microw. Theo. Tech., 57(7), pp. 1655–60.

Wang, Y., Ke, M., and Lancaster, M.J. (2009) Micro-machined 38GHz cavity resonator and filter with rectangular-coaxial feed-lines. IET Microw. Antenn. Propag., 3(1), pp. 125–29, February 2009.

Wang, Y., Su, H.T., Huang, F., and Lancaster, M.J. (2007) Measurement of YBCO surface resistance using coplanar line resonator techniques from 20 MHz to 20 GHz. IEEE Trans. Appl. Supercond., 17(2), part 3, pp. 3632–39, June 2007.

Wang, Y., and Lancaster, M.J. (2007) Coplanar to microstrip transitions for on-wafer measurements. Microwave and Optical Technology Letters, 49(1), pp. 100–03, January 2007.

Wang, Y., and Lancaster, M.J. (2006) High-temperature superconducting coplanar left-handed transmission lines and resonators. IEEE Trans. Appl. Supercond., 16(3), pp. 1893–97, September 2006.

Wang, Y., Su, H.T., Huang, F., and Lancaster, M.J. (2005) Wideband superconducting coplanar delay lines. IEEE Trans. Microwave Theory Tech., 53(7), pp. 2348–54, July 2005.

Wang, Y., Shen, J., Chen, N.X., and Wang, J.L. (2001) Theoretical investigation on site preference of foreign atoms in rare-earth intermetallics. J. Alloy Compd., 319(1-2), pp. 62–73, April 2001.

Conference Papers

Wang, Y., and Lancaster, M.J. 2011.'Measurements of micro-machined waveguide devices at WR-3 Band using a T/R-T module-based network analyzer. In: 77th ARFTG Microwave Measurement Conference – Design and Measurement of Microwave Systems. Baltimore, Maryland, June 2011.

Ke, M., Shang, X., Wang, Y., and Lancaster, M.J. 2011. Improved insertion loss for a WR-3 waveguide using fully cross-linked two-layer SU8 processing technology. In: The 12th International Symposium on RF-MEMS and RF-Microsystems (MEMSWAVE 2011). Athens, Greece, 27–29 June.

Shang, X., Wang, Y., and Lancaster, M.J. 2011. Coupling matrix synthesis of triple-passband filters using optimisation. In: 2nd IET Annual Seminar on Passive RF and Microwave Components. Glasgow, Scotland, 30 March 2011.

Wang, Y. et al. 2009. Micro-machined microwave circuits. In: The 2nd UK/Europe-China Workshop on Millimetre Waves and Terahertz Technologies. Rutherford Appleton Laboratory, Oxford, 19–21 October 2009.

Wang, Y., Ke, M., and Lancaster, M.J. 2009. Micro-machined 60 GHz air-filled interdigital bandpass filter. In: International Workshop on Microwave Filters. CNES, Toulouse, France, 16–18 November 2009.

Wang, Y., Ke, M., and Lancaster, M.J. 2009. A Ka-band butler matrix with antenna array based on micro-machined rectangular coaxial structures. In: 39th European Microwave Conference, pp. 739–42, September 2009.

Wang, Y. et al. 2009. Micro-machined millimetre-wave passive components at 38 and 77 GHz. In: 5th ESA Workshop on Millimetre Wave Technology and Applications and 31st Antenna Workshop. Noordwijk, the Netherlands, 18–20 May.
Wang, Y., Prest, M.J., and Lancaster, M.J. 2008. Membrane supported transmission lines and filters. In: Proceedings of the 38th European Microwave Conference, pp. 1133–36, October 2008.

Wang, Y. et al. 2007. Superconducting tunable composite right/left-handed transmission lines using ferroelectric thin films with a resistive bias network. In: 2007 IEEE MTT International Microwave Symposium, pp. 1415–18, June 2007.