Abdullah Atalar recent conference papers

V. Erturk, B. Sutbas, E. Ozbay, A. Atalar, “Miniaturized and Process Tolerant Ku-Band Power Dividers Using GaN on SiC” Proc. of the 51st European Microwave Conference, pp. 370-373, London, UK, 2022.
H. Koymen, Y. Ahiska, A. Atalar, I. Koymen, A.S. Tasdelen, M. Yilmaz, “Mic-in-CMOS: CMUT as a sealed-gap capacitive microphone“, Proc. of IEEE Ultrasonics Symposium, 2020
K. Enhos, A.S. Tasdelen, M. Yilmaz, A. Atalar, H. Koymen, “Transmitting CMUT arrays without a DC bias” Proc. of IEEE International Ultrasonics Symposium, Glasgow, Scotland, 6-9 Oct. 2019, pp. 750-753, DOI: 10.1109/ULTSYM.2019.8926278
T.M. Khan, A.S. Tasdelen, M. Yilmaz, A. Atalar, H. Koymen, “Beam steering in a half-frequency driven airborne CMUT transmitter array” Proc. of IEEE International Ultrasonics Symposium, Glasgow, Scotland, 6-9 Oct. 2019, pp. 762-765, DOI: 10.1109/ULTSYM.2019.8925995
B. Sutbas, E. Ozbay, A. Atalar, “Compact and wideband CPW Wilkinson power dividers for GaN MMIC applications“, Proc. of 48th European Microwave Conference, pp. 628–631, Madrid, Spain (23-27 Sep. 2018)
A. Taşdelen, A. Atalar, 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)
V. Tas, A. Atalar, “A performance enhanced power divider structure” 2014 IEEE International Microwave Symposium, Tampa Bay, Florida (1-6 June 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. Atalar, D. Aksoy, “Force spectroscopy using bimodal dynamic force microscopy” 4th Multifrequency AFM conference, Madrid, Spain (15-17 Oct. 2012) (Invited presentation)
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)
A. Ozgurluk, A. Atalar, H. Koymen, S. 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)
S. Olcum, F.Y. Yamaner, A. Bozkurt, H. Koymen, and A. Atalar, “CMUT array element operating in deep-collapse mode” Proc. of IEEE Ultrasonics Symposium, pp. 108-111, Orlando, USA (19-21 Oct. 2011)
F.Y. Yamaner, S. Olcum, A. Bozkurt, H. Koymen, and A. 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)
S. Olcum, F. Y. Yamaner, A. Bozkurt, H. Koymen, and A. 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.Y. Yamaner, S. Olcum, A. Bozkurt, H. Koymen, and A. Atalar,
“Optimizing CMUT geometry for high power” Proc. of IEEE Ultrasonics Symposium, pp. 2247-2250, San Diego, USA (11-14 Oct. 2010)
H. Koymen, M.N. Senlik, S. Olcum, A. Atalar, “Radiation impedance of cMUT membranes” Proc. of 19th International Congress on Acoustics, PACS: 43.38 Gy, Madrid, Spain, (2-7 Sep. 2007)