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Publications

  • K. Topalli, G.C. Trichopoulos, and K. Sertel, "An Indirect Impedance Characterization Method for Monolithic THz Antennas Using Coplanar Probe Measurements," IEEE Antennas and Wireless Propagation Letters, vol.11, pp.3-5, 2012
  • Woon-Gi Yeo, Niru K. Nahar, Kubilay Sertel, “Far-IR MultiBand Dual-Polarization Perfect Absorber for Wide-Incident-Angles”, Microwave and Optical Technology Letters, Vol. 55, Issue 3, Pages 632-636, March 2013
  • G.C. Trichopoulos, H.L. Mosbacker, D. Burdette, and K. Sertel, “A Broadband Focal Plane Array Camera for Real-time THz Imaging Applications,” IEEE Trans. on Antennas and Propagation, Special Issue on Antennas and Propagation at mm- and sub mm-waves, vol. 61, no. 4, April 2013
  • Varittha Sanphuan, Niru K. Nahar, John L Volakis, “Frequency Selective Surfaces Filters to Enhance Performance of Ka Band Applications”, Microwave and Optical Technology Letter, Vol. 56, Issue 3, pages 563-568, March 2014
  • C. Caglayan, G. C. Trichopoulos and K. Sertel, “Non-contact probes for on-wafer characterization of THz devices and integrated circuits,” (Under Review).
  • G. C. Trichopoulos and K. Sertel, “Broadband terahertz computed tomography using a 5k-pixel real-time THz camera,” (Under Review).
  • Sai N. Tenneti, Niru K. Nahar, and John L. Volakis, “Modeling THz RTD-Gated GaN HEMTs Using Full-Wave and Particle-Based Equations”, (Under Review)
  • Shubhendu Bhardwaj, Niru K. Nahar, John L. Volakis, “Radial Line Slot Array Antenna Design with vertical Waveguide Feed”, IEEE Antennas and Wireless Propagation Letters, (Under review)
  • Y. Karisan, and K. Sertel, "Distributed circuit models for submillimeter-wave diode parasitics at terahertz frequencies", (in preparation)
  • W.-G. Yeo, N. K. Nahar, and K. Sertel, “Validation and characterization of a THz CW spectrometer pumped at 1550nm,” (under internal review)
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  • G. C. Trichopoulos and K. Sertel, “Large format focal plane array for rapid THz computer tomography,” 2013 IEEE Int. Symposium on Antennas and Propagation, Orlando, FL USA, July 9-14, 2013 (Best Paper Award).
  • K. Topalli, G. C. Trichopoulos, and K. Sertel, “An indirect impedance characterization method for monolithic THz antennas,” 2011 IEEE Int. Symposium on Antennas and Propagation, pp.1882 – 1884, July 2011
  • K. Topalli, G. C. Trichopoulos, and K. Sertel, “An indirect impedance characterization method for monolithic double-slot antennas for THz sensors,” 30th General Assembly and Scientific Symposium of URSI, Aug. 2011
  • Woon-Gi Yeo and Niru K. Nahar, “A Far Infrared Narrowband Detector using Frequency Selective Surfaces”, IEEE, APS/URSI Conference, Spokane, Washington, July 3-7, 2011
  • Woon-Gi Yeo, Niru K. Nahar, Robert Lee and John L. Volakis, “New Frontiers for Commercial Applications of Terahertz”, IEEE National Aerospace & Electronics Conference, Dayton, OH, July 20-22, 2011
  • G. C. Trichopoulos and K. Sertel, “Hybrid Electromagnetic Modeling of Terahertz Focal Plane Array Imaging Sensors”, Applied Computational Electromagnetics Society Conference, April 10-14, 2012, Columbus, OH
  • K. Topalli, G. C. Trichopoulos, and K. Sertel, “Non-contact Probes for THz Circuits and Integrated Devices,” 2012 IEEE Int. Symposium on Antennas and Propagation, Chicago, IL
  • Y. Karisan and K. Sertel, “Active Matching Networks for Terahertz Communications Sensors”, 2012 IEEE Antennas and Propagation Society/URSI Symposium, Chicago, IL
  • G. C. Trichopoulos, K. Topalli and K. Sertel, “Non-contact THz probes for On-chip Device and IC Characterization”, 2012 National Aerospace and Electronics Conference (NEACON), Fairborn, OH
  •  Y. Karisan and K. Sertel, “Wideband Active Matching of THz Envelope Detectors”, 2012 National Aerospace and Electronics Conference (NEACON), Fairborn, OH
  • W-G Yeo, V Sanphuang, NK Nahar and JL Volakis, “THz Periodic Surfaces to Enhance Spectroscopic Measurements”, ICCEA, South Africa, September, 2012
  • W-G Yeo, NK Nahar, and JL Volakis, “Validation of CW THz spectral measurements, EEE, APS/URSI Conference, Chicago, July 2012
  • W-G Yeo, V Sanphuang, NK Nahar and JL Volakis, “THz Transparent Metamaterials for Spectroscopic Measurements, IEEE, APS/URSI Conference, Chicago, IL, July 2012
  • V. Sanphuang, NK Nahar, JL Volakis , “Broadband THz Filters for THz Sensing Devices”, IEEE NAECON , Dayton, OH, July 25-27, 2012
  • W-G Yeo, NK Nahar and K Sertel, “Dual-Band, Wide-Incident-Angle Absorber for Far-IR and THz Frequencies”, to IEEE NAECON, Dayton, OH, July 25-27, 2012
  • S. Tenneti, NK Nahar and JL Volakis, “Increased Output Power 300 GHz Oscillator Based on Linear Superposition” IEEE NAECON, Dayton, OH, July 25-27, 2012
  • J. Brown, M. McFarland, V. Sanphuang, N. K. Nahar and J. L. Volakis, “Coating Designs for Tri-Mode Seeker Domes and Multimode Apertures”, 14th DoD Electromagnetic Windows Symposium, San Antonio, TX, May 1-3, 2012
  • W-G Yeo, NK Nahar, R Lee, JL Volakis, and CL Hitchcock “Terahertz Characterization of Biological Tissues, URSI, Boulder, January 2-7, 2012.
  • Y. Karisan and K. Sertel, “Wideband Impedance-matched Integrated Transceivers for Future THz-band Wireless Networks”, 2013 URSI Meeting, Boulder, CO
  •  C. Caglayan, G.C. Trichopoulos, and K. Sertel, “Device Characterization using Non-Contact Probes in the THz Band”, 2013 URSI Meeting, Boulder, CO
  • C. Caglayan, G.C. Trichopoulos, and K. Sertel, “On-Wafer Device Characterization with Non-Contact Probes in the THz Band”, 2013 IEEE International Symposium on Antennas and Propagation (APSURSI), Orlando, FL, July 2013
  •  Y. Karisan and K. Sertel, “Full-wave Modeling of Sub-millimeter Wave Diode Parasitics”, 2013 IEEE International Symposium on Antennas and Propagation (APSURSI), Orlando, FL, July 2013
  •  C. Caglayan, G. C. Trichopoulos and K. Sertel, “Non-contact probe and calibration for THz frequency device characterization,” 82nd ARFTG Symposium, Columbus, OH Nov. 18–22, 2013
  •  Woon-Gi Yeo, Niru K. Nahar, Charles L. Hitchcock, Sungchan Park, Ogan Gurel, and Kubilay Sertel, "Real-time THz Imaging of Human Tissue Characteristics and Cancer Margins," The 38th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), September 1-6, 2013, Mainz, Germany
  •  Bhardwaj, S.; Nahar Niru K.; Volakis, J. L.;, "Concentric Arrayed Radial Line slot Array Antenna for W-band, Optimized Using Particle Swarm Optimization: Electroscience Lab-Consortium on Electromagnetics and Radio Frequency (ESL-CERF), Annual Meeting July, 2013, Columbus
  •  Sai N. Tenneti, Niru K. Nahar, and John L. Volakis, "Full-Wave Electromagnetic Modeling of Terahertz RTD-Gated HEMTs," IEEE International Symposium on Antennas and Propagation, Lake Buena Vista, FL, July 2013.
  • S. Bhardwaj, Niru K. Nahar, J. L. Volakis, "A Concentric-Arrayed Radial Line Slot Array Antenna for THz Applications Optimized Using PSO Algorithm," Antennas and Propagation Society International Symposium, 2013.
  •  Woon-Gi Yeo, Georgios C. Trichopoulos, Niru K. Nahar, and Kubilay Sertel, "Real-time Focal Plane Array THz Camera for Bio-Medical Imaging," 4th International THz-Bio Workshop, February 14-15, 2013, Seoul, South Korea
  •  Woon-Gi Yeo, Niru K. Nahar, and Kubilay Sertel, "Phased Array Antenna with Integrated MEMS Phase Shifters for Ka-Band SATCOM," 2013 IEEE Antennas and Propagation Society International Symposium (APS/URSI), July 7-13, 2013, Orlando, FL, USA
  •  Varittha Sanphuang, Niru K. Nahar, and John L. Volakis, "MEMS Tunable THz Filter for Sensing," IEEE AP-S/USNC-URSI, Orlando, FL, 2013.
  • Woon-Gi Yeo, Niru K. Nahar, and Kubilay Sertel, "Terahertz-frequency Biomedical Imaging for Wound Management," 6th Annaul Translation to Clinical (T2C) Regenerative Medicine Wound Care Conference, March 14-16, 2013, Columbus, OH, USA
  • S. Bhardwaj, Niru K. Nahar, J. L. Volakis, "Link Budget Analysis for 350 GHz Communication Link", Commission-C, USNC- URSI, Jan 9-13, 2013, Boulder.
  •  Woon-Gi Yeo, Niru K. Nahar, and Kubilay Sertel, "Ka-band phased array antenna with integrated MEMS phase shifters," 2013 US National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), January 9-12, 2013, Boulder, CO, USA
  • Y. Karisan, and K. Sertel, "Extraction of Parasitics in Submillimeter Wave Devices via Full Wave Electromagnetic Modeling", USNC/URSI Nat. Radio Sci. Meeting, Boulder, CO, Jan. 8–11, 2014
  •  G. C. Trichopoulos and K. Sertel, “Limited Angle THz Computed Tomography for Tissue Imaging,” USNC/URSI Nat. Radio Sci. Meeting, Boulder, CO, Jan. 8–11, 2014
  • Varittha Sanphuang, Nima Ghalichechian, Niru K. Nahar, and John L. Volakis, “Phase Change Materials for Reconfigurable Systems”, IEEE International Symposium on Antennas and Propagation, Memphis, Tennessee, FL, July 2014
  • Varittha Sanphuang, Nima Ghalichechian, Niru K. Nahar, and John L. Volakis, “Reconfigurable THz Filters with Integrated Micro-Heater”, IEEE International Symposium on Antennas and Propagation, Memphis, Tennessee, FL, July 2014
  •  Anas J. Abumunshar, Woon-Gi Yeo, Niru K. Nahar and Kubilay Sertel Tightly Coupled Ka-Band Phased Array Antenna with Integrated MEMS Phase Shifters”, IEEE International Symposium on Antennas and Propagation, Memphis, Tennessee, FL, July 2014
  • Woon-Gi Yeo, Niru K. Nahar, Charles L. Hitchcock, Sungchan Park, Ogan Gurel, and Kubilay Sertel, “THz Spectroscopy and Imaging of Major Human Organ Tissues for Cancer Margin Assessment”, IEEE International Symposium on Antennas and Propagation, Memphis, Tennessee, FL, July 2014
  • Muhammed Zuboraj, Niru K. Nahar, and John L. Volakis, A S-band High Power Traveling Wave Tube for RADAR application”, IEEE International Symposium on Antennas and Propagation, Memphis, Tennessee, FL, July 2014
  • Shubhendu Bhardwaj, Niru K. Nahar and John L. Volakis, “Analysis and Design of High Electron Mobility Transistors for THz Signal Generation”, IEEE International Symposium on Antennas and Propagation, Memphis, Tennessee, FL, July 2014
  •  Shubhendu Bhardwaj, Niru K. Nahar and John L. Volakis, “Fixed Frequency Slotted Waveguide Beam Reconfigurable Antenna for mmWave Application”, IEEE International Symposium on Antennas and Propagation, Memphis, Tennessee, FL, July 2014
  • Sai N. Tenneti, Niru K. Nahar, and John L. Volakis, " Full-Wave Optimization of Nitride-Based Resonant-Tunneling Diodes for Terahertz Amplification," IEEE International Symposium on Antennas and Propagation, Memphis, Tennessee, FL, July 2014
  • Sai N. Tenneti, Niru K. Nahar, and John L. Volakis, "Modeling of RTD-Gated GaN HEMTs at Terahertz Frequencies Using a Full-Wave Simulation Toolset Coupled with Particle-Based Equations," Radio Science Meeting (USNC-URSI NRSM), Jan 2014.
  •  S. Bhardwaj, Niru K Nahar, J. L. Volakis, "A Method of Phase-less Measurements for the Circularly Polarized Gain in the Sub-Millimeter Band," Antennas and Propagation Society International Symposium, 2014.