Assoc. Prof. Dr. Cumali Sabah

Middle East Technical University - Northern Cyprus Campus

Department of Electrical and Electronics Engineering

Office: R-216
E-mail : sabah
metu.edu.tr
Phone: 2933
Fax: 2999

 

EDUCATION & PROFESSIONAL ACTIVITIES: 

 

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RESEARCH

 

 

Courses:

 

 

 

Selected Publications

 

International Journal Papers (2011-Present): 

·         Sabah C., and Roskos H. G., “Numerical and experimental investigation of fishnet-based metamaterial in a X-band waveguide”, Journal of Physics D: Applied Physics, vol. 44, 255101, 2011.

·         Sabah C., “Multiband planar metamaterials”, Microwave and Optical Technology Letters, vol. 53, pp. 2255–2258, 2011.

·         Sabah C., Thomson M. D., Meng F. Z., Tzanova S., and Roskos H. G., “Terahertz propagation properties of free-standing woven-steel-mesh metamaterials: Pass-bands and signatures of abnormal group velocities”, Journal of Applied Physics, vol. 110, 064902, 2011.

·         Sabah C., and Roskos H. G., “Design of a terahertz polarization rotator based on a periodic sequence of chiral-metamaterial and dielectric slabs”, Progress In Electromagnetics Research, vol. 124, pp. 301-314, 2012.

·         Sabah C., and Roskos H. G., “Effect of the Metallization on the Resonances of THz Fishnet Metamaterials”, Journal of the European Optical Society - Rapid publications, vol. 7, 12005, 2012.

·         Hasar U. C., Barroso J. J., Ertugrul M., Sabah C., and Cavusoglu B., “Application of a useful uncertainty analysis as a metric tool for assessing the performance of electromagnetic properties retrieval methods of bianisotropic metamaterials”, Progress In Electromagnetics Research, vol. 128, pp. 365-380, 2012.

·         Hasar U. C., Barroso J. J., Sabah C., and Kaya Y., “Resolving phase ambiguity in the inverse problem of reflection-only measurement methods”, Progress In Electromagnetics Research, vol. 129, pp. 405-420, 2012.

·         Hasar U. C., Barroso J. J., Sabah C., Ozbek I. Y., Kaya Y., Dal D., and Aydin T., “Retrieval of effective electromagnetic parameters of isotropic metamaterials using reference-plane invariant expressions”, Progress In Electromagnetics Research, vol. 132, pp. 425-441, 2012.

·         Sabah C., and Roskos H. G., “Dual-band polarization-independent sub-terahertz fishnet metamaterial”, Current Applied Physics, vol. 12, pp. 443-450, 2012.

·         Sabah C., “Multi-Resonant Metamaterial Design Based On Concentric V-Shaped Magnetic Resonators”, Journal of Electromagnetic Waves and Applications, vol. 26, pp. 1105-1115, 2012.

·         Sabah C., “Electric and magnetic excitations in anisotropic broadside-coupled triangular-split-ring resonators”, Applied Physics A – Materials Science & Processing, vol. 108, pp. 457-463, 2012.

·         Sabah C., “Multiband Metamaterials Based on Multiple Concentric Open-Ring Resonators Topology”, IEEE Journal of Selected Topics in Quantum Electronics, vol. 19, 8500808, 2013.

·         Sabah C., Urbani F., and Uckun S., “Bloch impedance analysis for a left handed transmission line”, Journal of Electrical Engineering, vol. 63, pp.310-315, 2012.

·         Sabah C., “Microwave response of octagon-shaped parallel plates: Low-loss metamaterial”, Optics Communications, vol. 285, pp. 4549-4552, 2012.

·         Sabah C., and Roskos H. G., “Terahertz sensing application by using planar split-ring-resonator structures”, Microsystem Technologies, vol. 18, pp. 2071-2076, 2012.

·         Hasar U. C., Barroso J. J., Sabah C., Kaya Y. and Ertugrul M., “Differential uncertainty analysis for evaluating the accuracy of S-parameter retrieval methods for electromagnetic properties of metamaterial slabs”, Optics Express, vol. 20, pp. 29002-29022, 2012.

·         Yilmaz A. and Sabah C., “Diamond-shaped hole array in double-layer metal sheets for negative index of refraction”, Journal of Electromagnetic Waves and Applications, vol. 27, pp. 413-420, 2013.

·         Sabah C. and Urbani F., “Experimental analysis of Λ-shaped magnetic resonator for mu-negative metamaterials”, Optics Communications, vol. 294 pp. 409-413, 2013.

·         Sabah C., and Roskos H. G., “Broadside-Coupled Triangular Split-Ring-Resonators for Terahertz Sensing”, European Physical Journal - Applied Physics, vol. 61, 30402, 2013.

·         Rustemli S., Dincer F., Unal E., Karaaslan M., and Sabah C., “The analysis on sun tracking and cooling systems for photovoltaic panels,” Renewable and Sustainable Energy Reviews, vol. 22, pp. 598-603, 2013.

·         Sabah C., Tastan H. T., Dincer F., Delihacioglu K., Karaaslan M., and Unal E., “Transmission tunneling through the multilayer double-negative and double-positive slabs,” Progress In Electromagnetics Research, vol. 138, pp. 293-306, 2013.

·         Hasar U. C., Barroso J. J., Sabah C., Kaya Y., and Ertugrul M., “Stepwise technique for accurate and unique retrieval of electromagnetic properties of bianisotropic metamaterials,” Journal of the Optical Society of America B, vol. 30, pp. 1058-1068, 2013.

·         Dincer F., Sabah C., Karaaslan M., Unal E., Bakir M., and Erdiven U., “Asymmetric transmission of linearly polarized waves and dynamically wave rotation using chiral metamaterial,” Progress In Electromagnetics Research, vol. 140, pp. 227-239, 2013.

·         Dincer F., Karaaslan M., Unal E., and Sabah C., “Dual-band polarization independent metamaterial absorber based on omega resoanator and octa-star strip configuration,” Progress In Electromagnetics Research, vol. 141, pp. 219-231, 2013.

·         Delihacioglu K., Sabah C., Karaaslan M., and Unal E., “Zigzag metallic conductors as frequency selective surfaces,” IET Microwaves, Antennas & Propagation, vol. 7, pp. 722-728, 2013.

 

Conference Papers and Presentations (2010-Present):

·         Sabah C., Meng F., Tzanova S., Thomson M., and Roskos H. G., “THz Pulse Propagation through Woven-Steel-Mesh Metamaterials”, 35th International Conference on Infrared, Millimeter, and THz Waves, Rome, Italy, September 2010, IEEE IRMMW-THz 2010 Proceedings.

·         Sabah C., Yilmaz A., and Roskos H. G., “Computer Based Algorithm to Design Metamaterials”, 13th International Conference on Mathematical Methods in Electromagnetic Theory, Kyiv, Ukraine, September 2010, IEEE MMET 2010 Proceedings.

·         Sabah C. and Roskos H. G., “Investigation of electric and magnetic response properties of novel Δ- and Λ-type resonators at microwave frequencies,” Fourth International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (Metamaterials 2010), Karlsruhe, Germany, September 2010, Metamaterials 2010 Proceeding.

·         Sabah, C., Thomson, M. D., Meng, F. Z., Roskos, H. G., “Terahertz propagation through free-standing woven-steel-mesh metamaterials,” 2011 Conference on Lasers and Electro-Optics (CLEO), Baltimore, MD, USA, May 2011, IEEE Conference Proceeding.

·         Sabah, C. and Roskos, H. G., “Terahertz polarization rotator consists of chiral metamaterial and dielectric slabs,” 36th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Houston, TX, USA, October 2011, IEEE Conference Proceeding.

·         Sabah, C. and Roskos, H. G., “Dual-band polarization-independent fishnet metamaterial for terahertz frequency range,” 36th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Houston, TX, USA, October 2011, IEEE Conference Proceeding.

·         Sabah, C., Thomson, M. D., Meng, F. Z., Roskos, H. G., “Wire-cloth-mesh metamaterials for GHz and THz frequency regime,” XXXth URSI General Assembly and Scientific Symposium, Istanbul, Turkey, August 2011, IEEE Conference Proceeding.

·         Sabah, C. and Roskos, H. G., “Periodic array of chiral metamaterial-dielectric slabs for the application as terahertz polarization rotator,” XXXth URSI General Assembly and Scientific Symposium, Istanbul, Turkey, August 2011, IEEE Conference Proceeding.

·         Sabah C., and Yilmaz A., “Diamond-Shaped Hole Array as a Fishnet Metamaterial for Negative Refraction,” Microwave and Radio Electronics Week 2013, Pardubice, Czech Republic, April 2013.

·         Sabah C., Dincer F., Karaaslan M., and Unal E., “Perfect Metamaterial Absorber with Polarization and Incident Angle Independency,” EMC Türkiye 2013, Istanbul, Turkey, September 2013.