Antennas/RF interfaces

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Year 2011

• P. Ralston, M. Oliver, S. Raman, “Liquid Metal Vertical Interconnects for Flip-Chip Assembly of GaAs C-band Power Amplifiers onto Micro-Rectangular Coaxial Transmission Lines,” accepted for publication in the 2011 Compound Semiconductor IC Symposium special issue of IEEE J. of Solid-State Circuits.
• P. Ralston, M. Oliver, K. Vummidi, and S. Raman, “Liquid Metal Vertical Interconnects for Flip-Chip Assembly of GaAs C-band Power Amplifiers onto Micro-Rectangular Coaxial Transmission Lines,” 2011 Compound Semiconductor IC Symposium Digest, Kona, HI, Oct. 16-19, 2011.
• J.M. Oliver, P.E. Ralston, E. Cullen, L. M. Ranzani, K. Vanhille, S. Raman, “A W-band Micro Coaxial Passive Monopulse Comparator Network with Integrated Cavity-Backed Patch Antenna Array,” 2011 IEEE MTT-S International Microwave Symposium Digest, Baltimore, MD, Jun. 5-10, 2011.
• M. E. Khater, K. Vummidi, E. M. Abdel-Rahman, A.H. Nayfeh, S. Raman, “Dynamic Actuation Methods for Capacitive MEMS Shunt Switches,” IOP Journal of Micromechanics and Microengineering, vol. 21, no. 3, Mar. 2011

Year 2010

• M. Khater, K. Vummidi, E. M. Abdel-Rahman, A. Nayfeh, S. Raman, "Dynamic Switching of MEMS Shunt Switches", ASME International design Engineering Technical Conferences (IDETC) 2010, Montreal, August 2010, DECT2010-28487. (9 pages)
• P. Ralston, J. Wood, K. Vummidi, M. Oliver, and S. Raman, “Heterogeneous Flip-Chip Assembly of a GaAs C-band Power Amplifier MMIC Using Liquid Metal Vertical Interconnects,” 2010 IEEE MTT-S International Microwave Symposium Digest, Anaheim, CA, May 23-28, 2010, pp. 1284-1287.
• Krishna Vummidi, J. Hammond, J. Costa, S. Raman, “Resonant Pull-in for a variable gap lateral contact RF MEMS switch,” Proceedings of the 2010 IEEE 23rd International Conference on Micro Electro Mechanical Systems (MEMS), Hong Kong, Jan. 24-28, 2010, pp. 767 – 770.

Year 2009

• Krishna Vummidi, M. Khater, E. Abdel-Rahman, A. Nayfeh, S. Raman, “Dynamic Pull-in of Shunt Capacitive MEMS Switches", Proceedings of the Eurosensors XXIII conference (Eurosensors 2009), Lausanne, Switzerland, September 6-9, 2009,  Pages 622-625
• J. Wood*, K. Vummidi, P. Rallston, L. Chen, N. S. Barker, S. Raman, "Liquid Metal Vertical Interconnects for RF Flip-Chip Assembly", 2009 IEEE MTT-S International Microwave Symposium Digest, Boston, MA, June 7-12, 2009, pp. 461 – 464.
• J. M. Oliver, J. Rollin, K. Vanhille, N. S. Barker, C. Smith, A. Sklavounos, D. Filipovic, and  S. Raman,  "A 3-D Micromachined W-band Cavity-Backed Patch Antenna Array with Integrated Rectacoax Transition to Waveguide", 2009 IEEE MTT-S International Microwave Symposium Digest, Boston, MA, June 7-12, 2009, pp. 1641 – 1644 .

Year 2008

• L. Chen, J. Wood, S. Raman, and N.S. Barker, “Vertical RF Transition with Mechanical Fit for Three-Dimensional Heterogeneous Integration,” 2008 European Microwave Conference, Amsterdam, The Netherlands, Oct. 23-28, 2008, pp. 1561 – 1564.
• S. Raman and R. Svitek, “Transceiver Architectures for Highly Integrated RF Front-Ends” in Printed Antennas for Wireless Systems and Related Topics, Dr. Rod Waterhouse and Prof. Jim James, eds., Wiley, 2008.

Year 2002

• J. Zhao and S. Raman, “An Integrated Chip-Scale Active Antenna for 5-6 GHz Wireless Microsystems,” 2002 IEEE Radio and Wireless Conference (RAWCON) Digest, Boston, MA, Aug. 11–14, pp. 149–152.

Year 2001

• J. Zhao and S. Raman, “Design of "Chip-Scale" Patch Antennas for 5-6 GHz Wireless Microsystems,” 2001 IEEE AP-S International Symposium Digest, Boston, MA, Jul. 8–13, vol. 2, pp. 6–9.

Year 2000

• S. Raman, “INTEGRATED ANTENNAS FOR MM-WAVE RADAR SYSTEMS“, Proceedings of the AP2000 Millennium Conference on Antennas & Propagation, Davos, Switzerland, Apr. 9-14, 2000 (Invited)

Year 1997

• S. Raman, G.P. Gauthier, and G.M. Rebeiz, “W-Band On-Wafer Measurements of Uniplanar Slot-type Antennas,” 1997 IEEE Antennas and Propagation Intl. Symp. Digest, Montreal, Canada, Jul. 13-18, 1997, pp. 554-557.
• S. Raman and G.M. Rebeiz, “Single- and Dual-Polarized Slot-Ring Subharmonic Receivers,” 1997 IEEE International Microwave Symposium Digest, Denver, CO, Jun. 8-13, 1997, pp. 565–568.
• D.F. Filipovic, G.P. Gauthier, S. Raman and G.M. Rebeiz, “Off-Axis Properties of Silicon and Quartz Dielectric Lens Antennas,” IEEE Trans. on Antennas and Propagation, vol. 45, no. 5, pp. 760-766, May 1997.

Year 1996

• S. Raman and G.M. Rebeiz, “Single- and Dual-Polarized Millimeter-Wave Slot-Ring Antennas,” IEEE Trans. on Antennas and Propagation, vol. 44, no. 11, pp. 1438-1444, Nov. 1996.
• S. Raman and G.M. Rebeiz, “Integrated Millimeter-Wave Polarimetric Radar Receivers,” Proceedings of the 1996 IEEE National Radar Conference, Ann Arbor, MI, May 13-16, 1996.

Year 1995

• S. Raman and G.M. Rebeiz, “94 GHz Slot-Ring Antennas for Monopulse Applications,” 1995 IEEE Antennas and Propagation Intl. Symp. Digest, Newport Beach, CA, Jun. 18–23, 1995, pp. 722–725.(Best Student Paper Award)
• S. Raman, T.M. Weller, L.P.B. Katehi, and G.M. Rebeiz, “A Double Folded-Slot Antenna at 94 GHz,” 1995 IEEE Antennas and Propagation Intl. Symp. Dig, Newport Beach, CA, Jun. 18–23, 1995, pp. 710–713.
• S.M. Mollenkopf, S. Raman, L.P.B. Katehi, and G.M. Rebeiz, “Low-Cost Receivers for Millimeter-Wave Imaging Array Applications,” Proceedings of the SPIE, vol. 2448, 1995, pp. 175-180.
  

Year 1994

• S. Raman, D.F. Filipovic, P.A Stimson, R.J. Dengler, P.H. Siegel, and G.M. Rebeiz, “230 GHz Beam Pattern Measurements of a Dielectric Filled Parabola,” Proc. of the 5th Intl. Symp. on Space Terahertz Technology, Ann Arbor, MI, May 10–12, 1994, pp. 788–795.