BU EE DepartmentElectronics and MEMS

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Faculty Members in the Field of Electronics at the Department of BUEE

Asst. Prof. Dr. Faik BaskayaProf. Dr. Oguzhan CicekogluProf. Dr. Omer CeridProf. Dr. Gunhan DundarProf. Dr. Yasemin Kahya (Acting Secretary General)Asst. Prof. Dr. Senol MutluAsst. Prof. Dr. Ahmet OncuAsst. Prof. Dr. Arda YalcinkayaAsst. Prof. Dr. Hamdi Torun

Senol Mutlu (Ph.D. 2005, The University of Michigan, Ann Arbor)Research Interests: Micro ElectroMechanical Systems (MEMS), Organic Electronics and Light Emitting Diodes (LED), Microfluidics and BioMEMS, Wireless Micro Systems, Electrochemistry for Nano/Micro Patterning.

Arda Yalcinkaya (Ph.D. 2003, Technical University of Denmark)Research Interests: Design, fabrication and characterization of MEMS, CMOS-MEMS integration, nanotechnology and design of analog ASICs.

Hamdi Torun (Ph.D. 2009, Georgia Institute of Technology)Research Interests: Microsystems development for biological applications, atomic force microscopy, and thermomechanical infrared imagers.

Faik Baskaya (Ph.D. 2009, Georgia Institute of Tehnology)Research Interests: Electronic Design Automation, Physical Design, Reconfigurable circuits, Rapid Prototyping, Analog and Digital Integrated Circuit Design

Gunhan Dundar (Ph.D. 1993, Rensselaer Polytechnic Institute)Research Interests: Analog and Digital Integrated Circuit Design, Electronic Design Automation

Ahmet Oncu (Ph.D. 2008, The University of Tokyo)Research Interests: Design of low-power, high-speed RF integrated circuits and systems at micro-wave and millimeter-wave region (i.e. 60 GHz wireless communication, 24 GHz Automobile Radar, UWB radars for disaster recovery).

Yasemin Palanduz Kahya (Ph.D. 1987, Bogazici University)Research Interests: Designing and building of electronic instrumentation for physiological variables along with signal processing applications in biomedical engineering.

Omer Cerid (Ph.D. 1979, Bogazici University)Research Interests: Analog and digital electronics, communication electronics, microprocessor and microcomputer hardware and software design, design with microcontrollers.

Oguzhan Cicekoglu (Ph.D. 1996, Istanbul Technical University)Research Interests: Analog circuits, active filters, analog signal processing applications and current-mode circuits.

• VLSI Design• ADC Design• Filter Design• CAD Tool Development

• Wireless IC Design• UWB system design• 60GHz CMOS Transceiver Design • High-speed system design

• MEMS Expertise• CMOS-MEMS monolithic integration• Organic Electronics• Biomedical microsystem development• Optical, thermal and fluidic microsystems

Electronics and MEMS

16x16 passive matrix flexible polymer LED display fand test resultsDigital polymer circuits on flexible substrates

Transistor Characteristics of a PTFTs

Picture of a Fabricated Polymer IC

Organic Electronics and Polymer Light Emitting Diodes

2D Display Using LEDs and Polymer Micro Scanners

MEMS Actuation, Slow Scan

Virtual Pixels

Electronic Mod., Fast Scan

Experimental Setup for the steel scanner

Generated patterns on the wall using steel scanner

12mm

4 mm

Projection Display Using Steel Micro Scanner With Modulated Laser

Center for the Development of Microsystem Based Medical Devices

Project Sponsor:               Turkish Republic State Planning Organization (2008-2011)Budget:                              ~3 million TLA center laboratory for the development of high-tech insertable or implantable medical devices that have smart integrated microsystems on them

MR compatible catheter specs: • Optical power transmission • MR free induction decay signal modulation• Optical signal transmission• Miniaturized integrated system (to fit into catheter)

Optoelectronic CMOS Power Supply Unit for Magnetic Resonance Imaging

• Silicon photodiodes• Charge pump circuit• Ultra Low-Noise Amplifier• LED modulation circuit

• Full-custom design• UMC 0.18µm CMOS

(1P6M)• 1.5 mm X 1.5 mm

AFM-Based Probes for Biomolecular Studies

Biolomolecular Applications: Inter-molecular interactions:

e.g. cell tethering, antibody binding to antigen, biophysics of weak bonds

Intra-molecular interactions: e.g. protein folding/unfolding

Novel Probe Structures: Integrated high-resolution sensing

Interferometric displacement resolution

pN-level force measurements Integrated electrostatic actuator

Lower hydrodynamic drag Fast actuation in liquid (MHz BW)

Thermal drift cancellation capability

Thermomechanical Uncooled IR Camera

Diffracted +1st order is imaged on an 8-bit CCD ~0.2 nm displacement resolution with 60Hz BW

Parallel readout for an array of 120 x 120 devices

Response of one pixel to IR input:Experimental setup for array readout:

BLACKBODY RADIATION

FPA LASER

CCD CAM

ATMOSPHERE

F#T

Solar Spectrum

λ1 λ2λ1 λ2

Ad , η, G, ∆z/ ∆T

(dP/ dT)

t

LASER

λ1 -λ2

τ0

Project Sponsor:    Aselsan Electronics, Inc.Collaborators:        Koç University, EPFL