Selim Olcum Homepage

A. Selim Olçum's Homepage

[Bilkent Acoustic Transducers Group] [Advanced Research Laboratory]

[GE 401-402 Innovative Product Design and Developement]

Contact Information:

Address:

Bilkent University

Department of Electrical Engineering

06800 Bilkent Ankara / Turkey

Office: EA-231

Office Phone: +90 (312) 290 2930

IAL Office Phone: +90 (312) 290 1972

IAL Lab Phone: +90 (312) 290 2090

Fax: +90 (312) 266 4192

e-mail:

Education:

Bilkent University, Ankara, Turkey

Ph.D. Candidate in Electrical Engineering

M.S. in Electrical Engineering, Jan 2005

B.S. in Electrical Engineering, May 2003

Izmir Fen Lisesi, Izmir, Turkey

High School of Science Diploma, 1999

Publications:

Journal Papers:

1. H. Köymen, M.N. Senlik, A.Atalar, S. Olcum, "Parametric Linear Modelling of Circular CMUT Membranes in Vacuum." IEEE Transactions on Ultrasonic Ferroelectronics and Frequency Control, vol.54 (6), pp.1229-1239, 2007.

2. S. Olcum, M.N. Senlik and A. Atalar, "Optimization of the Gain-Bandwidth Product of capacitive Micromachined Ultrasonic Transducers." IEEE Transactions on Ultrasonic Ferroelectronics and Frequency Control, vol. 52 (12), pp. 2211-2219, 2005.

Conference Papers

3. S. Olcum, A. Atalar, H. Koymen, K. Oguz, M.N. Senlik "Experimental Characterization of Capacitive Micromachined Ultrasonic Transducers", IEEE Ultrasonics Symposium, pp.2131 - 2134, Oct 2007.

4. M.N. Senlik, S. Olcum, A. Atalar, "Interaction between a CMUT cell and a Liquid Medium around the Paralel Resonance Frequency", , IEEE Ultrasonics Symposium, pp.2151 - 2154, Oct 2007.

5. H. Köymen, A. Atalar, S. Olcum, M.N. Senlik, "Radiation Impedance of Circular CMUT membranes", 19th International Congress on Acoustics, Madrid, 2007

6. S. Olcum, A. Atalar, M.N. Senlik, H. Koymen, "Calculation of Transformer Ratio in Mason's Equivalent Circuit for cMUTs", IEEE Ultrasonics Symposium, pp.1947-1950, 2006.

7. M.N. Senlik, A. Atalar, H. Koymen, S. Olcum, "Radiation Impedance and Equivalent Circuit for Immersed CMUT Array Element", IEEE Ultrasonics Symposium, pp.1951 - 1954, 2006.

8. S. Olcum, A. Atalar, M.N. Senlik, H. Koymen, "Stagger Tuned cMUT Array for Wideband Airborne Applications", IEEE Ultrasonics Symposium, pp.2377 - 2380, 2006.

9. J.M. Ortiz-Rodriguez, A.R. Hefner; D. Berning, C. Hood, S. Olcum, "Computer-Controlled Characterization of High-Voltage, High-Frequency SiC Devices", Computers in Power Electronics, pp.300 - 305, July 2006.

10. M.N. Senlik, S. Olcum and A. Atalar, "Improved Performance of cMUT with non-uniform membranes", IEEE Ultrasonics Symposium, pp.597-600, 2005.

11. S. Olcum, M.N. Senlik, C. Bayram and A. Atalar, "Design Charts to Maximize the Gain-Bandwidth Product of Capacitive Micromachined Ultrasonic Transducers", IEEE Ultrasonics Symposium, pp.1941-1944, 2005.

12. C. Bayram, S. Olcum, M.N. Senlik and A. Atalar, "Bandwidth Improvement in a cMUT Array with Mixed Sized Elements", IEEE Ultrasonics Symposium, pp.1956-1959, 2005.

Presentations

13. S. Olcum, A. Kocabaş, S. Şenlik, G. Ertaş, A. Atalar, A. Aydınlı, "An Elastomeric Tunable SERS Substrate", 2008 International Conference on Nanoscience + Technology, Keystone, CO, USA, July 21, 2008.

14. S. Olcum, A. Atalar, H. Köymen, M.N. Senlik, "Fabrication and Characterization of Capacitive Micromachined Ultrasonic Transducers", 6th International Workshop on Micromachined Ultrasonic Transducers, Antalya, Turkey, 2007.

15. R.O. Guldiken, S. Olcum, J. Zahorian and F.L. Degertekin, "Analytical, FEA and Experimental Stress Study of CMUT Membrane during Fabrication", 6th International Workshop on Micromachined Ultrasonic Transducers, Antalya, Turkey, 2007.

16. J. Zahorian, R.O. Guldiken and S. Olcum, M. Karaman and F.L. Degertekin, "Fabrication and Testing of CMUT Arrays for Intravascular Ultrasound (IVUS) Imaging", 6th International Workshop on Micromachined Ultrasonic Transducers, Antalya, Turkey, 2007.

17. M.N. Şenlik, A. Atalar, H. Köymen, S. Olcum, "A Precise Lumped Element Model for a Circular CMUT Membrane. ", 6th International Workshop on Micromachined Ultrasonic Transducers, Antalya, Turkey, 2007.

18. S. Olcum, A. Atalar, H. Köymen, M.N. Şenlik, "Optimization of the Gain-Bandiwidth Product of CMUTs", 5th International Workshop on Micromachined Ultrasonic Transducers, Munich, Germany, 2006.

19. M.N. Senlik, A. Atalar, H. Köymen, S. Olcum, "An Equivalent Circuit for Capacitive Micromachined Ultrasonic Transducers. ", 5th International Workshop on Micromachined Ultrasonic Transducers, Munich, Germany, 2006.

Experience:

Bilkent University, Ankara, Turkey

Dept. of Electrical Engineering, Research Assistant, Sep 2003 – Present

· Tuning Surface Plasmon Polariton Resonances (Collaboration with Prof. A. Aydınlı Group)

· Harmonic microcantilevers for Atomic Force Microscopy

· All optical Cantilever (Collaboration with Prof. A. Aydınlı Group)

· Capacitive Micromachined Ultrasonic Transducers. (Collaboration with Prof. H. Köymen)

· Member of 3D-TV EC-FP6 Project

Georgia Institute of Technology, Atlanta, Georgia

Micromachined Sensors and Transducers Laboratory, Visiting Scholar, July 2006 - Jan 2007

· Low temperature fabrication and characterization of Capacitive Micromachined Ultrasonic Transducers

Bilkent University, Ankara, Turkey

Dept. of Electrical Engineering, Teaching Assistant, Sep 2003 - Present

· T.A. of the course GE 401/402 Innovative Product Design & Developement . Fall 2008 & Spring 2009

· T.A. of the course EE 429/529 Photonics . Spring 2007 & 2008

· T.A. of the course EE 415/515 Analog CMOS Integrated Circuits . Fall 2005 & 2007

· T.A. of the course EE 412/512 Microwave Electronics. Spring 2005.

· T.A. of the course EE 411/511 Telecommunication Electronics. Fall 2004.

· T.A. of the course EE 314 Digital Electronics. Spring 2004.

· T.A. of the course EE 414/514 Introduction to CMOS VLSI Design. Fall 2003.

Bilkent University, Ankara, Turkey

Dept. of Electrical Engineering, System Administrator, Sep 2005 - Present

National Institute of Standards and Technology, Gaithersburg, MD

Semiconductor Electronics Division, Device Technology Group, Jun-Sep 2003

· Characterization of Microhotplate-based Gas Sensor with LabWindows CVI.

Bilkent University, Ankara, Turkey

Dept. of Electrical Engineering, Senior Project, Sep 2002 - May 2003

· A new design of capacitive Micromachined Ultrasonic Transducer, Its simulation with ANSYS and optimization for best performance.

National Institute of Standards and Technology, Gaithersburg, MD

Semiconductor Electronics Division, Device Technology Group, Jun-Sep 2002

· Design and Implementation of a high power, high voltage test system for characterizing SiC devices, written in C with LabWindows CVI.

· Post Processing of a Microhotplate-based Gas Sensor in clean room.

Nanomagnetics Ins., Ankara, Turkey, Jun-Aug 2001

· Summer training on STM and AFM designing at Nanomagnetics Ins., where a full working STM designed and constructed.