Publications

Patents

1. M. Jarrahi, M. Unlu, C. W. Berry, S. Li, "Reconfigurable Device for Terahertz (THz) and Infrared (IR) Filtering and Modulation," US Patent 9859079, 2018.

2. M. Unlu, S. Demir, and T. Akin, “Simultaneous Phase and Amplitude Control Using Triple Stub Topology and Its Implementation Using RF MEMS Technology.”

WIPO Patent No. 2011034511, Mar. 2011

European Patent No. EP 2478585, Jul. 2012

Japanese Patent No. 5498581

Journal Publications - Peer-review

  1. M. A. Unutmaz and M. Unlu, "Terahertz Spoof Surface Plasmon Polariton Waveguides: A Comprehensive Model with Experimental Verification," Nature Scientific Reports, vol. 9 , no. 1, 7616, May 2019.
  2. O. Kiris, K. Topalli, and M. Unlu, "A reflectarray antenna using hexagonal lattice with enhanced beam steering capability," IEEE Access, vol. 7, pp. 45526-45532, Apr. 2019.
  3. K. Elmabruk, K. Demir, H. Altan, A. B. Sahin, and M. Unlu, "Time-domain characterization of the radiation pattern of the terahertz photoconductive antennas," Journal of Infrared, Millimeter, and Terahertz Waves, vol. 40, no. 6, Jun. 2019,
  4. M. A. Unutmaz and M. Unlu, "Modelling of the effective dielectric constant of planar spoof surface plasmon polariton waveguides," Electronics Letters, 53(21), 1418-1420, Oct. 2017 (published as a featured article).
  5. M. A. Unutmaz and M. Unlu, "accurate sSPP waveguide dielectric modelling," Electronics Letters, 53(21), 1391, Oct. 2017.
  6. A. Yilmaz and M. Unlu, “Compensating the effects of DC bias lines on terahertz photomixer antennas using resistively loaded lines,” Journal of Infrared and Millimeter Waves, vol. 34, no. 4, pp. 420-426, Aug. 2015.
  7. M. Unlu, M. R. Hashemi, C. W. Berry, S. Li, S.-H. Yang, M. Jarrahi, "Fully Integrated Broadband Terahertz Modulators", SPIE Newsroom, International Society for Optics and Photonics, DOI:10.1117/2.1201410.005657, 2014.
  8. M. Unlu, M. Jarrahi, "Miniature Multi-Contact MEMS Switch for Broadband Terahertz Modulation," Optics Express, 22, 2014.
  9. M. Unlu, M. R. Hashemi, C. W. Berry, S. Li, S.-H. Yang, M. Jarrahi, "Switchable scattering meta-surfaces for broadband terahertz modulation", Nature Scientific Reports, 4, 5708, DOI:10.1038/srep05708, 2014 (Highlighted by +20 tech news websites).
  10. C. W. Berry, N. Wang, M. R. Hashemi, M. Unlu, and M. Jarrahi, “Significant Performance Enhancement in Photoconductive Terahertz Optoelectronics by Incorporating Plasmonic Contact Electrodes,” Nature Communications, 4, 1622, 2013 (Highlighted by +20 tech news websites).
  11. M. Unlu, S. Demir, and T. Akin, "A 15–40-GHz Frequency Reconfigurable RF MEMS Phase Shifter," IEEE Transactions on Microwave Theory and Techniques, vol. 61, no. 8, pp. 2865-2877, Aug. 2013.
  12. C. W. Berry, M. R. Hashemi, M. Unlu, and M. Jarrahi, “Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters,” Journal of Visualized Experiments, 77, e50517, doi:10.3791/50517, 2013.
  13. A. Zohur, H. Mopidevi, D. Rodrigo, M. Unlu, L. Jofre, and B. A. Cetiner, “RF MEMS Reconfigurable Two-Band Antenna,” IEEE Antennas and Wireless Propagation Letters, vol. 12, pp. 72-75, Jan. 2013.
  14. M. Unlu, S. Demir, and T. Akin, “Triple Stub Circuit Topology as Simultaneous Insertion Phase, Amplitude and Impedance Control Circuit for Phased Array Applications,” IET Microwaves, Antennas and Propagation, vol. 6, no. 13, pp. 1399-1406, Dec. 2012.
  15. M. Unlu, C. W. Berry, S. Li, S.-H. Yang, M. R. Hashemi, M. Jarrahi, "Broadband terahertz modulators based on MEMS- reconfigurable mesh filters", arXiv:1212.6562v1, 2012.
  16. C. W. Berry, M. R. Hashemi, M. Unlu, M. Jarrahi, "Significant Radiation Enhancement in Photoconductive Terahertz Emitters by Incorporating Plasmonic Contact Electrodes", arXiv:1209.1680v1, 2012.
  17. M. Unlu, K. Topalli, H. I. Atasoy, S. Demir, O. Aydin Civi, and T. Akin, “Hybrid Connection of RF MEMS and SMT Components in an Impedance Tuner,” AEU International Journal of Electronics and Communications, vol. 64, no. 8, pp. 748-756, Aug. 2010.
  18. K. Topalli, M. Unlu, H. I. Atasoy, O. A. Civi, S. Demir, and T. Akin, “Empirical Formulation of Bridge Inductance in Inductively Tuned RF MEMS Shunt Switches,” Progress In Electromagnetics Research, PIER 97, pp. 343-356, 2009.
  19. E. Erdil, K. Topalli, M. Unlu, O. Aydin Civi, and T. Akin, "Frequency tunable microstrip patch antenna using RF MEMS technology," IEEE Trans. Antennas and Propagation, vol. 55, no. 4, pp. 1193-1196, Apr. 2007.
  20. K. Topalli, M. Unlu, S. Demir, O. Aydin Civi, S. Koc, and T. Akin, “A new approach for modeling Distributed MEMS Transmission Lines,” IEE Proc. Microwaves, Antennas & Propagation, vol. 153, pp. 152-162, Apr. 2006.

International Conference Publications - Refereed

  1. M. Unlu, "Terahertz Spoof Surface Plasmon Polaritons: Modelling, Design, and Experimental Characterization," will be presented at the META 2019, the 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Lisbon, Portugal, 23-26 Jul. 2019 (invited talk).
  2. G. Ozsahin, M. A. Unutmaz, and M. Unlu, "A Circuit Model for the Spoof Surface Plasmon Polariton Waveguides for the Terahertz Band," will be presented at the META 2019, the 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Lisbon, Portugal, 23-26 Jul. 2019.
  3. M. A. Unutmaz, M. Unlu, “Design and Characterization of Integrated Spoof Surface Plasmon Polaritons,” SPb Photonic, Optoelectronic, & Electronic Materials (SPb-POEM), St. Petersburg, Russia, 24-27 Apr. 2019 (invited talk).
  4. M. A. Unutmaz and M. Unlu, “Modelling of the spoof-Surface Plasmon Polariton Waveguides and Applications”, Smart NanoMaterials 2018: Advances, Innovation and Applications, Paris, France, 9-13 Dec. 2018 (invited talk).
  5. K. Elmabruk, K. Demir, A. B. Sahin, H. Altan, M. Unlu, “Radiation Pattern Characterization of Terahertz Photoconductive Antennas Using Time-Domain Spectroscopy System,” 2018 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Boston, MA, USA, 8-13 Jul. 2018.
  6. T. Simsek, G. Ozsahin, O. Kiris, S. Kose, V. Akan, K. Topalli, M. Unlu, “Analysis of Nested Double Split Ring Resonator for Linearly Polarized Dual Band Reflectarray,” 2018 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Boston, MA, USA, 8-13 Jul. 2018.
  7. M. A. Unutmaz, M. Unlu, “Design and Simulation of Fixed Physical Length Planar Spoof Surface Plasmon Polariton-mode Delay Lines for a 3-bit 360° Phase Shifter for Terahertz Band,” 2018 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Boston, MA, USA, 8-13 Jul. 2018.
  8. M. A. Unutmaz, M. Unlu, “Design of a 4-Bit Spoof Surface Plasmon Polariton Phase Shifter for the Terahertz Band,” 12th European Conference on Antennas and Propagation (EuCAP 2018), London, UK, 9-13 Apr. 2018.
  9. M. Unlu, “A Review on Reconfigurable Terahertz Components Using Nano-Actuators,” 2017 IEEE 40th International Conference on Telecommunications and Signal Processing, Barcelona, Spain, Jul. 5-7, 2017 (invited talk).
  10. M., Kandaz, H., Dal, M. Unlu, “Analysis of Gold Micro-Beams with Higher Order Continuum Theories,” 88th GAMM Annual Meeting, Germany, 6-10 March 2017.
  11. A. Yilmaz, M. Unlu, “Efficiency Enhancement of Bowtie Photomixer Antenna by Using Resistively Loaded Line,” 2017 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, San Diego, California, USA, 9-14 July 2017.
  12. K. Demir, AB Sahin, M. Unlu, “Design of a Frequency Reconfigurable, Terahertz Folded Antenna for Photomixers,” 2017 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, San Diego, California, USA, 9-14 July 2017.
  13. K. Demir, AB Sahin, M. Unlu, “Modelling of Photonic Band Gap Filters for Terahertz Photoconductive Antennas and Photomixers,” 2017IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, San Diego, California, USA, 9-14 July 2017.
  14. SB. Celik, K. Demir, AB Sahin, M. Unlu, “Design of a Phase Shifting Impedance Tuner for Terahertz Photomixers Arrays,” 2017 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, San Diego, California, USA, 9-14 July 2017.
  15. SB. Celik, K. Demir, AB Sahin, M. Unlu, “Design of a Terahertz Beam-Steering Photomixer Array,” 2017 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, San Diego, California, USA, 9-14 July 2017.
  16. MA. Unutmaz and M. Unlu, “Modelling of the Effective Dielectric Constant of Corrugated Planar Goubau Lines for Terahertz Band,” 2017 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, San Diego, California, USA, 9-14 July 2017.
  17. MA. Unutmaz and M. Unlu, “Design of Spoof Surface Plasmon Polariton Based Terahertz Delay Lines,” 2017 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, San Diego, California, USA, 9-14 July 2017.
  18. G. Özsahin, T. Simsek, M. Unlu, O. Kiris, S. Kose, H. Mustacoglu, F. Ozturk, V. Akan, “Parametric Analysis of Double-Split Ring Resonator as a Reflectarray Unit Cell,” 2017 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, San Diego, California, USA, 9-14 July 2017.
  19. K. Demir, H Bilgin, AB Sahin, M. Unlu, “Design of a frequency reconfigurable, terahertz antenna for photomixers,” Proc. International Conference on Infrared, Millimeter, and Terahertz Waves, Copenhagen, Denmark, Sep. 25-30, 2016.
  20. M. Unlu, A. Yilmaz, C. Yilmaz, “Frequency and impedance reconfigurable antennas for terahertz photomixers,” 31th URSI General Assembly and Scientific Symposium, Beijing, China, Aug. 16-23, 2014.
  21. M. Unlu, M. R. Hashemi, C. W. Berry, S. Li, S-H. Yang, M. Jarrahi, "High-performance terahertz spatial light modulators based on reconfigurable diamagnetic meta-surfaces", Proc. International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, Bordeaux, France, Sep. 16-21, 2013.
  22. M. Unlu, M. R. Hashemi, C. W. Berry, S. Li, S-H. Yang, M. Jarrahi, "Broadband Terahertz Modulation Through Reconfigurable Meta-Surfaces With Diamagnetic Switching Capability", Proc. International Conference on Infrared, Millimeter, and Terahertz Waves, Mainz, Germany, September 1-6, 2013
  23. M. Unlu, M. R. Hashemi, C. W. Berry, S. Li, S-H. Yang, M. Jarrahi, "Reconfigurable diamagnetic meta-molecules for broadband terahertz modulation", Proc. SPIE Optics and Photonics Conference, San Diego, CA, Aug. 25-29, 2013.
  24. C. W. Berry, M. R. Hashemi, M. Unlu, M. Jarrahi, "Plasmonics-Enhanced Photoconductive Terahertz Emitters", Proc. International Microwave and Optoelectronic Conference, Rio de Janeiro, Brazil, August 4-7, 2013
  25. M. Unlu, C. W. Berry, S. Li, M. R. Hashemi, S-H. Yang, M. Jarrahi, "A Microelectromechanically Reconfigurable Mesh Filter for High-Performance Terahertz Modulation", Proc. IEEE International Antennas and Propagation Symposium, Orlando, FL, Jul. 7-12, 2013.
  26. C. W. Berry, M. R. Hashemi, M. Unlu, M. Jarrahi, "Plasmonic Photoconductive Antennas for Significant Terahertz Radiation Enhancement", Proc. IEEE International Antennas and Propagation Symposium, Orlando, FL, Jul. 7-12, 2013 (Best student paper award, 2nd place).
  27. C. W. Berry, M. R. Hashemi, M. Unlu, M. Jarrahi, "Nanoscale Contact Electrodes for Significant Radiation Power Enhancement in Photoconductive Terahertz Emitters", IEEE Microwave Symposium Digest, Seattle, WA, June 2-7, 2013 (Best student paper award, 3rd place).
  28. M. Unlu, M. R. Hashemi, C. W. Berry, S. Li, S-H. Yang, M. Jarrahi, "Terahertz wave manipulation through electromechanically reconfigurable diamagnetic surfaces", Proc. International Symposium on Photoelectronic Detection and Imaging, Beijing, China, Jun. 25-27, 2013.
  29. C. W. Berry, M. R. Hashemi, M. Unlu, M. Jarrahi, "Substantial Radiation Enhancement in Photoconductive Terahertz Emitters by Utilizing Plasmonic Contact Electrodes", Proc. Conference of Lasers and Electro-Optics (CLEO), San Jose, CA, 9-14 June 2013.
  30. M. Unlu, C. W. Berry, S. Li, S.-H. Yang, M. R. Hashemi, and M. Jarrahi, "Electromechanically Switchable Diamagnetism for Efficient Terahertz Modulation", Proc. Conference of Lasers and Electro-Optics (CLEO), San Jose, CA, 9-14 June 2013.
  31. C. W. Berry, M. R. Hashemi, M. Unlu, M. Jarrahi, "High Power Photoconductive Terahertz Emitters Utilizing Nanoscale Plasmonic Gratings", Proc. International Workshop on Optical Terahertz Science and Technology, Kyoto, Japan, Apr. 1-5, 2013.
  32. M. Unlu, C. W. Berry, S. Li, S.-H. Yang, M. R. Hashemi, M. Jarrahi, "A Microelectromechanically Controlled Broadband Terahertz Modulator", Proc. International Workshop on Optical Terahertz Science and Technology, Kyoto, Japan, Apr. 1- 5, 2013.
  33. M. Unlu, C. W. Berry, S. Li, S.-H. Yang, M. R. Hashemi, M. Jarrahi, "A High-performance Terahertz Spatial Light Modulator based on Reconfigurable Mesh Filters", Proc. 4th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Sharjah, UAE, 18-22 Mar., 2013.
  34. M. Unlu, C. W. Berry, S. Li, S-H. Yang, M. R. Hashemi, M. Jarrahi, "Broadband terahertz modulation using reconfigurable mesh filters", Proc. IEEE Wireless and Microwave Technology Conference, Orlando, FL, USA, Apr. 7-9, 2013.
  35. C. W. Berry, M. Unlu, M. R. Hashemi, M. Jarrahi, "Use of plasmonic gratings for enhancing the quantum efficiency of photoconductive Terahertz sources," Proc. International Conference on Infrared, Millimeter, and Terahertz Waves, Wollongong, Australia, Sep. 23-28, 2012.
  36. S. Li, M. Unlu, M. Jarrahi, "Reconfigurable mesh filters for Terahertz modulation," Proc. International Conference on Infrared, Millimeter, and Terahertz Waves, Wollongong, Australia, Sep. 23-28, 2012.
  37. M. Unlu and S. Li, "Miniature MEMS switches for reconfigurable Terahertz metamaterials," 13th Int. Symp. on RF MEMS and RF Microsystems (MEMSWAVE 2012), Antalya, Turkey, 2-4 Jul. 2012.
  38. 35. M. Unlu, H. Mopidevi, A. Zohur, and B. A. Cetiner, "Frequency reconfigurable, 220–5000 MHz, five-band RF MEMS PIFA," presented at the IEEE Int. Midwest Symp. Circuits and Systems (MWSCAS), Boise, ID, USA, Aug. 2012, pp. 65-68.
  39. M. Unlu, Y. Damgaci, H. S. Mopidevi, O. Kaynar, and B. A. Cetiner, “Reconfigurable, tri-band RF MEMS PIFA antenna,” presented at the IEEE Int. Antennas and Propagation Symp., Spokane, WA, USA, Jul. 2011, pp. 1563-1565.
  40. D. Rodrigo, Y. Damgaci, M. Unlu, B. A. Cetiner, J. Romeu and L. Jofre, “Antenna reconfigurability based on a novel parasitic pixel layer,” European Conf. on Antennas and Propagation, Rome, Italy, Apr. 2011, pp. 3497-3500.
  41. D. Rodrigo, L. Jofre, M. Unlu, Y. Damgaci, B. A. Cetiner, and J. Romeu, “Genetic reconfigurability of a multi-size pixelled antenna,” presented at the IEEE Int. Conf. Wireless Information Technology and Systems (ICWITS), Honolulu, HI, USA, Aug. 28-Sept. 3, 2010, pp. 1-4.
  42. D. Rodrigo, Y. Damgaci, M. Unlu, L. Jofre, and B. A. Cetiner, “Small pixelled antenna with MEMS-Reconfigurable radiation pattern,” presented at the IEEE Int. Antennas and Propagation Symp., Toronto, Ontario, Canada, Jul. 2010, pp. 1-4.
  43. K. Topalli, M. Unlu, I. Istanbulluoglu, H. I. Atasoy, O. Bayraktar, O. Aydin Civi, Ş. Demir, S. Koc, and T. Akin, “Reconfigurable RF MEMS devices and antennas,” 5th International Conference on Electrical and Electronics Engineering (ELECO 2007), pp.204-209, Bursa, Turkey, 5-9 Dec. 2007.
  44. M. Unlu, H. I. Atasoy, S. Demir, O. Aydin Civi, S. Koc, and T. Akin, "Double stub and triple stub RF MEMS impedance tuners," Proceedings of 8th International Symposium on RF MEMS and RF Microsystems, MEMSWAVE, Barcelona, Spain, pp. 169-172, 26-29 Jun. 2007.
  45. O. Bayraktar, K. Topalli, M. Unlu, O. Aydin Civi, S. Demir, and T. Akin, “Beam switching reflectarray using RF MEMS technology,” European Conference on Antennas and Propagation, Edinburgh, UK, 11-16 Nov. 2007, pp. 1-6.
  46. O. Bayraktar, K. Topalli, M. Unlu, I. Istanbulluoglu, E. U. Temocin, H. I. Atasoy, O. A. Civi, S. Demir, S. Koc, T. Akin, “Reconfigurable reflectarray using RF MEMS technology,” European Conference on Antennas and Propagation, Nice, France, 6-10 Nov. 2006, on CD-ROM.
  47. E. Erdil, K. Topalli, M. Unlu, I. Istanbulluoglu, E. U. Temocin, H. I. Atasoy, O. Bayraktar, O. A. Civi, S. Demir, S. Koc, T. Akin, “Reconfigurable slot antenna with fixed-fixed beam type RF MEMS capacitors,” European Conference on Antennas and Propagation, Nice, France, 6-10 Nov. 2006.
  48. K. Topalli, M. Unlu, O. Aydin Civi, S. Demir, S. Koc, and T. Akin, “A monolithic phased array using 3-bit RF MEMS phase shifters,” 2006 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, Albuquerque, New Mexico, USA, pp. 517-520, Jul. 2006.
  49. M. Unlu, K. Topalli, H. I. Atasoy, E. U. Temocin, I. Istanbulluoglu, O. Bayraktar, S. Demir, O. A. Civi, S. Koc, and T. Akin, “A reconfigurable RF MEMS triple stub impedance matching network,” European Microwave Conference 2006, Manchester, United Kingdom, pp. 1370-1373, 10-15 Sep. 2006.
  50. H. I. Atasoy, K. Topalli, M. Unlu, I. Istanbulluoglu, O. Bayraktar, E. U. Temocin, S. Demir, O. A. Civi, S. Koc, and T. Akin, “Investigation of on-wafer TRL calibration accuracy dependence on transitions and probe positioning,” European Microwave Conference 2006, Manchester, United Kingdom, pp. 1582-1585, 10-15 Sep. 2006.
  51. M. Secmen, K. Topalli, M. Unlu, E. Erdil, O. Aydin Civi, and A. Hizal; “Dual wideband antenna analysis for linear FMCW radar applications,” 2006 IEEE 14th Signal Processing and Communications, pp. 1-4, 17-19 Apr. 2006, Antalya, Turkey
  52. H. I. Atasoy, K. Topalli, M. Unlu, I. Istanbulluoglu, E. U. Temocin, O. Bayraktar, S. Demir, O. Aydin-Civi, S. Koc, and T. Akin, “Metal-to-metal and capacitive contact RF MEMS shunt switch structures,” 7th Workshop on MEMS for MilimeterWave Communications (MEMSWAVE), pp. 154-156, Orvieto, Italy, 27-30 Jun. 2006.
  53. 50. M. Unlu, K. Topalli, H. I. Atasoy, E. U. Temocin, I. Istanbulluoglu, O. Bayraktar, S. Demir, O. Aydin-Civi, S. Koc, and T. Akin, “A reconfigurable RF MEMS impedance tuner for impedance matching of a two-stage low noise amplifier,” 7th Workshop on MEMS for MilimeterWave Communications (MEMSWAVE), pp. 115-118, Orvieto, Italy, 27-30 Jun. 2006.
  54. S. Onat, M. Unlu, L. Alatan, S. Demir, and T. Akin, “Design of a re-configurable dual frequency microstrip antenna with integrated RF MEMS switches,” IEEE Antennas and Propagation Society International Symposium, Volume: 2A, pp. 384- 387, 3-8 Jul. 2005.
  55. E. Erdil, S. Onat, K. Topalli, I. Istanbulluoglu, M. Unlu, S. Demir, L. Alatan, O. Aydin Civi, S. Koc, and T. Akin, “Reconfigurable antenna structures using MEMS technology,” 6th Workshop on MEMS for MilimeterWave Communications (MEMSWAVE), pp. 35-38, Switzerland, 23-24 Jun. 2005.
  56. M. Unlu, K. Topalli, S. Demir, O. Aydin Civi, S. Koc, and T. Akin, “A Parametric Study On Modeling Distributed Mems Transmission Lines”, 34th European Microwave Conference, pp.1157-1160, Amsterdam, The Netherlands, Oct. 11-15, 2004.
  57. M. Unlu, K. Topalli, S. Demir, O. Aydin Civi, S. Koc, and T. Akin, “Design and modeling of a reconfigurable triple stub impedance matching network using Distributed MEMS Transmission Lines,” 5th Workshop on MEMS for MilimeterWave Communications (MEMSWAVE), pp. I17-I20, Uppsala, Sweden, 30 Jun.-2 Jul. 2004.
  58. K. Topalli, M. Unlu, S. Demir, O. Aydin Civi, S. Koc, and T. Akin, “A parametric modeling study on Distributed MEMS Transmission Lines,” 5th Workshop on MEMS for MilimeterWave Communications (MEMSWAVE), pp. 13-16 Uppsala, Sweden, 30 Jun.-2 Jul. 2004.
  59. 56. K. Topalli, M. Unlu, H. Sagkol, S. Demir, O. Aydin Civi, S. Koc, and T. Akin, “A new model for Distributed MEMS Transmission Lines,” 2004 AP-S International Symposium and USNC/URSI National Radio Science Meeting, pp. 2855- 2858, Monterey, California, 20-26 Jun. 2004.
  60. M. Unlu, K. Topalli, H. Sagkol, S. Demir, O. Aydin Civi, S. Koc, and T. Akin, "New MEMS switch structures for antenna applications," 2002 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, p. 134, San Antonio, Texas, 16-21 Jun. 2002.
  61. M. Unlu, K. Topalli, H. Sagkol, S. Demir, O. Aydin Civi, S. Koc, and T. Akin, "RF MEMS adjustable impedance matching network and adjustable power divider," 2002 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, pp. 26-29, San Antonio, Texas, 16-21 Jun. 2002.
  62. H. Sagkol, K. Topalli, M. Unlu, O. Aydin Civi, S. Koc, S. Demir, and T. Akin, "A monolithic phased array with RF MEMS technology," 2002 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, pp. 760-763, San Antonio, Texas, 16-21 Jun. 2002.

National Conference Publications - Refereed

1. A. Yılmaz, M. Ünlü, “Foto-karıştırıcı Papyon Anten Üzerindeki DC Öngerilim Hat Etkisi,” National URSI Symposium Turkey, Ankara, Türkiye, 1-3 Eylül 2016 (in Turkish) (Student paper contest finalist).

2. K. Demir, H. Bilgin, A. B. Şahin, M. Ünlü, “Fotokarıştırıcılar için Frekansı Ayarlanabilen Terahertz Anten Tasarımı,” National URSI Symposium Turkey, Ankara, Türkiye, 1-3 Eylül 2016 (in Turkish).

3. M. A. Unutmaz, A. B. Şahin, M. Ünlü, “Oluklu Düzlemsel Goubau Hatları’nın Efektif Dielektrik Sabitinin Modellenmesi,” National URSI Symposium Turkey, Ankara, Türkiye, 1-3 Eylül 2016 (in Turkish).

4. S. B. Çelik, K. Demir, A. B. Şahin, M. Ünlü, “Terahertz Fotokarıştırıcılar için Yüksek Giriş Empedanslı ve Faz Kontrollü Üç Saplamalı Devre Tasarımı,” National URSI Symposium Turkey, Ankara, Türkiye, 1-3 Eylül 2016 (in Turkish).

5. A. Güven, T. Şimşek, G. Özşahin, K. Demir, M. Ünlü, “Fotokarıştırıcılar İçin Arşimet Spiral Anten Parametre Analizi,” National URSI Symposium Turkey, Ankara, Türkiye, 1-3 Eylül 2016 (in Turkish).

6. E. Kobal, Ş. Demir, M. Ünlü, “Özel 3 Saplamalı Yapılar ile Baz İstasyonu Antenlerinin Verimlerinin Arttırılması,” National URSI Symposium Turkey, Ankara, Türkiye, 1-3 Eylül 2016 (in Turkish).

7. E. U. Temoçin, K. Topallı, M. Ünlü, I. Istanbulluoğlu, H. I. Atasoy, Ö. Bayraktar, Ş. Demir, Ö. Aydın Çivi, S. Koç ve T. Akın, “Eşdüzlemsel dalga klavuzundan mikroşerit hatta geçis üzerine çalısmalar,” National URSI Symposium Turkey, pp. 448- 450, Hacettepe, Ankara, Türkiye, 6-8 Eylül 2006 (in Turkish).

8. Ö. Bayraktar, K. Topallı, M. Ünlü, I. Istanbulluoğlu, E. U. Temoçin, H. I. Atasoy, Ş. Demir, Ö. Aydın Çivi, S. Koç ve T. Akın, “RF MEMS teknolojisi ile yansıtıcı dizi anteni tasarımı,” National URSI Symposium Turkey, pp. 438-440, Hacettepe, Ankara, Türkiye, 6-8 Eylül 2006 (in Turkish).

9. H. I. Atasoy, M. Ünlü, K. Topallı, I. Istanbulluoğlu, E. U. Temoçin, Ö. Bayraktar, Ş. Demir, Ö. Aydın Çivi, S. Koç ve T. Akın, “TRL kalibrasyonunda uç konumlandırmasi ve geçislerin etkileri,” National URSI Symposium Turkey, pp. 426-428, Hacettepe, Ankara, Türkiye, 6-8 Eylül 2006 (in Turkish).

10. I. Istanbulluoğlu, K. Topallı, E. U. Temoçin, H. I. Atasoy, M. Ünlü, Ö. Bayraktar, Ş. Demir, Ö. Aydın Çivi, S. Koç ve T. Akın, “RF MEMS teknolojisi kullanılarak tasarlanmış ayarlanabilir bant geçiren bağlanmış-hat süzgeç,” National URSI Symposium Turkey, pp. 416-418, Hacettepe, Ankara, Türkiye, 6-8 Eylül 2006 (in Turkish).

11. K. Topallı, M. Ünlü, Ö. Aydın Çivi, Ş. Demir, S. Koç ve T. Akın, “RF MEMS teknolojisi ile tek parça faz dizili anten yapısı,” National URSI Symposium Turkey, pp. 413-415, Hacettepe, Ankara, Türkiye, 6-8 Eylül 2006 (in Turkish).

12. H. I. Atasoy, K. Topallı, M. Ünlü, I. Istanbulluoğlu, E. U. Temoçin, Ö. Bayraktar, Ş. Demir, Ö. Aydın Çivi, S. Koç ve T. Akın, “RF MEMS teknolojisi ile kapasitif ve metal-metal bağlantılı paralel anahtar yapıları”, National URSI Symposium Turkey, pp. 410-412, Hacettepe, Ankara, Türkiye, 6-8 Eylül 2006 (in Turkish).

13. M. Ünlü, K. Topallı, Ş. Demir, Ö. Aydın Çivi, S. Koç ve T. Akın, “RF MEMS teknolojisi ile ayarlanabilir empedans uyumlama devresi,” National URSI Symposium Turkey, pp. 407-409, Hacettepe, Ankara, Türkiye, 6-8 Eylül 2006 (in Turkish).

14. E. Erdil, K. Topallı, M. Ünlü, Ö. Aydın Çivi ve T. Akın, “RF MEMS kapasitörler ile rezonans frekansı ayarlanabilen antenler,” National URSI Symposium Turkey, pp. 404-406, Hacettepe, Ankara, Türkiye, 6-8 Eylül 2006 (in Turkish).

15. K. Topallı, M. Ünlü, Ş. Demir, Ö. Aydın Çivi, S. Koç ve T. Akın, “RF MEMS teknolojisi ile mikroşerit ve eşdüzlemsel dalga kılavuzu hat üstünde paralel anahtar yapıları,” National URSI Symposium Turkey, pp. 370-372, 8-10 September 2004 (in Turkish).

16. M. Ünlü, K. Topallı, Ş. Demir, Ö. Aydın Çivi, S. Koç ve T. Akın, “Sıralanmış MEMS iletim hatları için yeni bir model,” National URSI Symposium Turkey, pp. 435-437, 8-10 September 2004 (in Turkish).

17. K. Topallı, H. Sağkol, M. Ünlü, Ö. Aydin Çivi, S. Demir, S. Koç ve T. Akın, "RF MEMS teknolojisi ile faz dizili anten," National URSI Symposium Turkey, pp. 134-137, September 2002 (in Turkish).

18. H. Sağkol, M. Ünlü, K. Topallı, Ö. Aydin Çivi, Ş. Demir, S. Koç ve T. Akın, "RF MEMS teknolojisi ile mikrodalga faz kaydırıcıları," National URSI Symposium Turkey, pp. 138-141, September 2002 (in Turkish).

19. M. Ünlü, H. Sağkol, K. Topallı, Ö. Aydin Çivi, Ş. Demir, S. Koç ve T. Akın, "RF MEMS teknolojisi ile ayarlanabilir empedans uyumlama ve güç bölücü devreleri," National URSI Symposium Turkey, pp. 142-145, September 2002 (in Turkish).

20. M. Ünlü, H. Sağkol, K. Topallı, Ö. Aydin Çivi, Ş. Demir, S. Koç ve T. Akın, "Anten uygulamaları için yeni MEMS anahtar yapıları," National URSI Symposium Turkey, pp. 146-149, September 2002 (in Turkish)