• A. Taşdelen, A. Atalar, K. Enhoş, H. Köymen, “Acoustical tuning of CMUT receiver arrays” Proc. of IEEE Ultrasonics Symposium, pp. 1-4, Tours, France (18-21 Sep. 2016)
  • E. Aydogdu, A. Ozgurluk, A. Atalar, H. Koymen, “Lumped element modeling of CMUT arrays in collapsed mode” Proc. of IEEE Ultrasonics Symposium, pp. 309-312, Chicago, USA (3-6 Sep. 2014)
  • A. Unlugedik, A.S. Tasdelen, A. Atalar, H. Koymen, “Designing efficient CMUT cells for airborne applications” Proc. of IEEE Ultrasonics Symposium, pp. 2564–2567, Chicago, USA (3-6 Sep. 2014)
  • A. Atalar, H. Koymen, “Resonances and nonuniformities in CMUT elements and arrays” Proc. of IEEE Ultrasonics Symposium, pp. 297–300, Chicago, USA (3-6 Sep. 2014)
  • A. Unlugedik, A. Atalar, H. Koymen, “Designing an efficient wide bandwidth single cell CMUT for airborne applications using nonlinear effects“, Proc. of IEEE Ultrasonics Symposium, pp. 1416-1419, Prag, Czech Republic (21-25 Jul. 2013)
  • K. Oguz, A. Atalar, H. Koymen, “Circuit theory based analysis of CMUT arrays with very large number of cells“, Proc. of IEEE Ultrasonics Symposium, pp. 291-294, Prag, Czech Republic (21-25 Jul. 2013)
  • E. Aydogdu, K. Oguz, H. Koymen, A. Atalar, “Lumped element model of single CMUT in collapsed mode“, Proc. of IEEE Ultrasonics Symposium, pp. 283-286, Prag, Czech Republic (21-25 Jul. 2013)
  • A. Unlugedik, A. Atalar, C. Kocabas, H.K. Oguz, H. Koymen, “Electrically unbiased driven airborne capacitive micromachined ultrasonic transducer (CMUT) design” Proc. of IEEE Ultrasonics Symposium, pp. 991-994, Dresden, Germany (7-10 Oct. 2012)
  • E. Aydogdu, A. Ozgurluk, H.K. Oguz, A. Atalar, C. Kocabas, H. Koymen, “Nonlinear Equivalent Circuit Model for Circular cMUT in Collapsed Mode” Proc. of IEEE Ultrasonics Symposium, pp. 987-990, Dresden, Germany (7-10 Oct. 2012)
  • Hayrettin Koymen, A. Atalar, H.K. Oguz, “Designing Circular CMUT Cells Using CMUT Biasing Chart” Proc. of IEEE Ultrasonics Symposium, pp. 975-978, Dresden, Germany (7-10 Oct. 2012)
  • Kagan Oguz, A. Atalar, H. Koymen, “Analysis of Mutual Acoustic Coupling in cMUT Arrays Using an Accurate Lumped Element Nonlinear Equivalent Circuit Model” Proc. of IEEE Ultrasonics Symposium, pp. 983-986, Dresden, Germany (7-10 Oct. 2012)
  • Alper Ozgurluk, Abdullah Atalar, Hayrettin Koymen, Selim Olcum “Radiation Impedance of an Array of Circular Capacitive Micromachined Ultrasonic Transducers in Collapsed State”, Proc. of IEEE Ultrasonics Symposium, pp. 1020-1023, Orlando, USA (19-21 Oct. 2011)
  • Selim Olcum, F.Yalcin Yamaner, Ayhan Bozkurt, Hayrettin Koymen, and Abdullah Atalar, “CMUT array element operating in deep-collapse mode” Proc. of IEEE Ultrasonics Symposium, pp. 108-111, Orlando, USA (19-21 Oct. 2011)
  • F.Yalcin Yamaner, Selim Olcum, Ayhan Bozkurt, Hayrettin Koymen, and Abdullah Atalar, “Design and implementation of capacitive micromachined ultrasonic transducers for high power” Proc. of IEEE Ultrasonics Symposium, pp. 1012-1015, Orlando, USA (19-21 Oct. 2011)
  • Selim Olcum, F. Yalcin Yamaner, Ayhan Bozkurt, Hayrettin Koymen, and Abdullah Atalar, “An equivalent circuit for collapse operation of CMUT” Proc. of IEEE Ultrasonics Symposium, pp. 443-446, San Diego, USA (11-14 Oct. 2010)
  • F.Yalcin Yamaner, Selim Olcum, Ayhan Bozkurt, Hayrettin Koymen, and Abdullah Atalar, “Optimizing CMUT geometry for high power” Proc. of IEEE Ultrasonics Symposium, pp.
    2247-2250, San Diego, USA (11-14 Oct. 2010)
  • M.N. Senlik, S. Olcum, H. Koymen, A. Atalar, “Bandwidth, power and noise considerations in airborne cMUTs” Proc. of IEEE Ultrasonics Symposium, pp. 438-441, Rome, Italy (21-23 Sept. 2009)
  • S. Olcum, K. Oguz, M.N. Senlik, F.Y. Yamaner, A. Bozkurt, A. Atalar, H. Koymen, “Wafer bonded capacitive micromachined underwater transducers” Proc. of IEEE Ultrasonics Symposium, pp. 976-979, Rome, Italy (21-23 Sept. 2009)
  • H. K. Oguz, S. Olcum, M. N. Senlik, A. Atalar, H. Koymen, “A novel equivalent circuit model for cMUTs, Proc. of IEEE Ultrasonics Symposium, pp. 2193-2196, Rome, Italy (21-23 Sept. 2009)
  • S. Olcum, H. K. Oguz, M. N. Senlik, H. Koymen, and A. Atalar, A new underwater transducer technology: capacitive micromachined ultrasonic transducer, 5th Nanoscience and Nanotechnology Conference, Eskisehir, Turkey (2009).
  • S. Olcum, A. Atalar, H. Kymen, M.N. Senlik, “Experimental Characterization of Capacitive Micromachined Ultrasonic Transducers”, Proceedings of IEEE Ultrasonics Symposium, pp. 2131-2134, New York, (28-31 October, 2007)
  • M. N. Senlik, A. Atalar and S. Olcum, “Interaction Between a cMUT Cell and a Liquid Medium around the Parallel Resonance Frequency”, Proceedings of IEEE Ultrasonics Symposium, pp. 2151-2154, New York, (28-31 October 2007).
  • S. Olcum, A. Kocabas, S. Senlik, G. Ertas, A. Atalar, A. Aydinli, “An Elastomeric Tunable SERS Substrate”, 2008 International Conference on Nanoscience & Technology, Keystone,
    Colorado, USA, (21 July 2008).
  • H. Koymen, N. Senlik, S. Olcum, A. Atalar, “Radiation impedance of circular cMUT membranes”, International Congress on Acoustics, Madrid (September 2007).
  • Selim Olcum, Abdullah Atalar, Hayrettin Koymen and Muhammed N. Senlik “Stagger tuned CMUT array for wideband airborne applications” Proceedings of IEEE Ultrasonics Symposium, pp.2377-2380, Vancouver, Canada (October 2006).
  • S. Olcum, A. Atalar, H. Koymen, M.N. Senlik, “Calculation of Transformer Ratio in Mason’s Equivalent Circuit for cMUTs” Proceedings of IEEE Ultrasonics Symposium, pp. 1947-1950, Vancouver, Canada (October 2006).
  • M.N. Senlik, A. Atalar, H. Koymen, S. Olcum, “Radiation Impedance and Equivalent Circuit for Immersed cMUT array element” Proc. of IEEE Ultrasonics Symposium, pp. 1951-1954, Vancouver, Canada (October 2006).
  • M. N. Senlik, S. Olcum, A. Atalar “Improved Performance of cMUT with Nonuniform Membranes” Proceedings of IEEE Ultrasonics Symposium, pp. 597-600, Rotterdam, Holland (19-21 Sept 2005)
  • C. Bayram, S. Olcum, M. N. Senlik, A. Atalar :Bandwidth Improvement in a cMUT Array with Mixed Sized Elements” Proceedings of IEEE Ultrasonics Symposium, pp. 1956-1959, Rotterdam, Holland (19-21 Sept 2005)
  • S. Olcum, M. N. Senlik, C. Bayram A. Atalar “Design Charts to Maximize the Gain-Bandwidth Product of capacitive micromachined ultrasonic transducers”, Proceedings of IEEE Ultrasonics Symposium, pp. 1941-1944, Rotterdam, Holland (19-21 Sept 2005)
  • A. Bozkurt, A. Atalar, “Modeling of Loss Mechanisms in Capacitive Micromachined Ultrasonic Transducers”, Proceedings of the 1999 IEEE Ultrasonics Symposium, Lake Tahoe, Nevada, USA, (1999).
  • A. Bozkurt, F.L. Degertekin, A. Atalar, P. Khuri-Yakub, “Analytic modeling of loss and cross-coupling in capacitive micromachined ultrasonic transducers”, Proceedings of IEEE Ultrasonics Symposium, pp. 1025-1028, Sendai, Japan, (1998).
  • A.S. Ergun, B. Temelkuran, E. Ozbay, A. Atalar, “A new detection method for capacitive micromachined ultrasonic transducers”, Proceedings of IEEE Ultrasonics Symposium, pp. 1007-1010, Sendai, Japan, (1998).