Prof. F. Levent Degertekin Profile

Prof. F. Levent Degertekin

Assistant Professor at Georgia Institute of Technology

SPIE Involvement:

Author

Publications (17)

SPIE Journal Paper | 20 January 2024

Acousto-optic-based time domain electric field sensor for magnetic resonance imaging applications

Yusuf S. Yaras, Lee W. Bradley, D. Korel Yildirim, Robert J. Lederman, Ozgur Kocaturk, John Oshinski, F. Levent Degertekin

OE, Vol. 63, Issue 03, 031008, (January 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.3.031008

KEYWORDS: Electric field sensors, Sensors, Magnetic resonance imaging, Electric fields, Adaptive optics, Fiber Bragg gratings, Acoustooptics, Transducers, Synthetic aperture radar, Safety

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Proceedings Article | 11 April 2017 Paper

Omni-directional lens for structure-borne wave focusing and energy harvesting

S. Tol, F. L. Degertekin, A. Erturk

Proceedings Volume 10164, 101641V (2017) https://doi.org/10.1117/12.2260358

KEYWORDS: Energy harvesting, Wave propagation, Refractive index, Wave plates, Crystals, Lens design, Aluminum, Gradient-index optics, Optical simulations

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Proceedings Article | 11 April 2017 Paper

3D-printed lens for structure-borne wave focusing and energy harvesting

S. Tol, F. Degertekin, A. Erturk

Proceedings Volume 10164, 101641M (2017) https://doi.org/10.1117/12.2260348

KEYWORDS: Energy harvesting, 3D printing, Wave plates, Wave propagation, Refractive index, Gradient-index optics, Numerical simulations, Lens design

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Proceedings Article | 1 April 2014 Paper

Modeling and enhancement of piezoelectric power extraction from one-dimensional bending waves

S. Tol, F. L. Degertekin, A. Erturk

Proceedings Volume 9057, 90571C (2014) https://doi.org/10.1117/12.2045141

KEYWORDS: Energy harvesting, Wave propagation, Resistance, Velocity measurements, Wind energy, Composites, Inductance, Electronic components, Beam propagation method, Actuators

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Proceedings Article | 29 March 2013 Paper

CMUT-based volumetric ultrasonic imaging array design for forward looking ICE and IVUS applications

Coskun Tekes, Jaime Zahorian, Toby Xu, Muhammad Rashid, Sarp Satir, Gokce Gurun, Mustafa Karaman, Jennifer Hasler, F. Degertekin

Proceedings Volume 8675, 86750B (2013) https://doi.org/10.1117/12.2007042

KEYWORDS: Signal to noise ratio, Point spread functions, Ultrasonography, Intravascular ultrasound, Real time imaging, Imaging arrays, Transducers, Image restoration, Image resolution, Phased arrays

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Proceedings Article | 22 January 2005 Paper

Actively controlled diffraction grating interferometer MEMS devices

Byungki Kim, Michael Schmittdiel, F. Degertekin, Thomas Kurfess

Proceedings Volume 5721, (2005) https://doi.org/10.1117/12.592215

KEYWORDS: Microelectromechanical systems, Diffraction gratings, Control systems, Interferometers, Sensors, Actuators, Metrology, Microlens, Modulation, Measurement devices

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Proceedings Article | 22 January 2005 Paper

Micromachined capacitive transducer arrays for intravascular ultrasound

F. Levent Degertekin, R. Oytun Guldiken, Mustafa Karaman

Proceedings Volume 5721, (2005) https://doi.org/10.1117/12.596021

KEYWORDS: Intravascular ultrasound, Transducers, Silicon, Electronics, Electrodes, Semiconducting wafers, Etching, Manufacturing, Imaging arrays, Metals

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Proceedings Article | 24 January 2004 Paper

Deformable diffraction grating for scanning microinterferometer arrays

Byungki Kim, Michael Schmittdiel, F. Levent Degertekin, Thomas Kurfess

Proceedings Volume 5348, (2004) https://doi.org/10.1117/12.527458

KEYWORDS: Interferometers, Microelectromechanical systems, Diffraction gratings, Actuators, Control systems, Optical design, Microfabrication, Semiconducting wafers, Electrodes, Signal detection

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Proceedings Article | 19 June 2003 Paper

Rigorous coupled-wave analysis for multilayered grating structures

Wook Lee, Fahrettin Degertekin

Proceedings Volume 4987, (2003) https://doi.org/10.1117/12.473179

KEYWORDS: Diffraction gratings, Diffraction, Multilayers, Matrices, Magnetism, Optical components, Polarization, Dielectric polarization, Dielectrics, Metals

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Proceedings Article | 20 January 2003 Paper

Micromachined acoustic sensor array with diffraction-based optical interferometric detection

Wook Lee, Neal Hall, F. Levent Degertekin

Proceedings Volume 4985, (2003) https://doi.org/10.1117/12.472862

KEYWORDS: Sensors, Acoustics, Mirrors, Silicon, Diffraction, Transducers, Fabry–Perot interferometers, Quartz, Phased array optics, Electrodes

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Proceedings Article | 2 November 2000 Paper

Nondestructive film thickness measurement using atomic force microscopy at ultrasonic frequencies

Kenneth Crozier, Goeksenin Yaralioglu, F. Degertekin, Jesse Adams, Stephen Minne, Calvin Quate

Proceedings Volume 4099, (2000) https://doi.org/10.1117/12.405835

KEYWORDS: Silicon, Photoresist materials, Atomic force microscopy, Silicon films, Tungsten, Copper, Thin films, Nondestructive evaluation, Ultrasonics, Actuators

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Proceedings Article | 14 June 1999 Paper

Ultrasonic monitoring of photoresist processing

Susan Morton, F. Levent Degertekin, Butrus Khuri-Yakub

Proceedings Volume 3677, (1999) https://doi.org/10.1117/12.350823

KEYWORDS: Reflection, Photoresist materials, Photoresist developing, Sensors, Semiconducting wafers, Photoresist processing, Glasses, Acoustics, Silicon, Temperature metrology

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Proceedings Article | 28 January 1999 Paper

Micromachined ultrasonic transducers for air-coupled nondestructive evaluation

Sean Hansen, F. Levent Degertekin, Butrus Khuri-Yakub

Proceedings Volume 3586, (1999) https://doi.org/10.1117/12.339900

KEYWORDS: Transducers, Aluminum, Wave plates, Signal to noise ratio, Ultrasonics, Composites, Ultrasonography, Signal attenuation, Nondestructive evaluation, Defect detection

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Proceedings Article | 8 June 1998 Paper

Ultrasonic cure and temperature monitoring of photoresist during the pre-exposure bake process

Susan Morton, F. Levent Degertekin, Butrus Khuri-Yakub

Proceedings Volume 3332, (1998) https://doi.org/10.1117/12.308733

KEYWORDS: Semiconducting wafers, Temperature metrology, Photoresist materials, Phase measurement, Silicon, Sensors, Transducers, Ultrasonics, Process control, Glasses

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Proceedings Article | 1 May 1998 Paper

Micromachined capacitive immersion ultrasonic transducers

Butrus Khuri-Yakub, Xuecheng Jin, I. Ladabaum, F. Levent Degertekin

Proceedings Volume 3341, (1998) https://doi.org/10.1117/12.308006

KEYWORDS: Transducers, Ultrasonics, Electronics, Silicon, Electrodes, Etching, Receivers, Circuit switching, Microfabrication, Instrument modeling

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Proceedings Article | 15 November 1996 Paper

In-situ simultaneous measurement of temperature and thin film thickness with ultrasonic techniques

Butrus Khuri-Yakub, Jun Pei, F. Levent Degertekin, Krishna Saraswat

Proceedings Volume 2948, (1996) https://doi.org/10.1117/12.259190

KEYWORDS: Semiconducting wafers, Temperature metrology, Aluminum, Sputter deposition, Silicon, Sensors, Silicon films, Transducers, Process control, Acousto-optics

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