RESUME PERSONAL INFORMATION Name Evren EKMEKCI, PhD. Title Assistant Professor Marital Status Married Mailing Address Suleyman Demirel University Muhendislik Fakultesi E-9 Elektronik ve Haberlesme Muh. 32260 Cunur Isparta/TURKEY Work Phone +90 246 2111362 E-mail evrenekmekci@sdu.edu.tr evrenekmekci@gmail.com Web Page http://isemlab.sdu.edu.tr/ekmekci/ CURRENT AFFILIATION Suleyman Demirel University Faculty of Engineering Department of Electronics and Communication Engineering, Isparta, Turkey. RESEARCH AREAS Electromagnetic Waves and Microwave Technique (Ph.D. Major) o Metamaterials Tunable metamaterial designs Electrically small metamaterial structures Microwave and terahertz (far-infrared) applications of metamaterials Metamaterial based antennas Metamaterial based filters Biomedical Engineering (Ph.D. Minor) Uptated on April 30, 2015. Page 1
EDUCATION Int M.Sc. & Ph.D (22 December 2010) Middle East Technical University Department of Electrical and Electronics Engineering Ankara, TURKEY Major Field: Electromagnetic Waves and Microwave Technique Minor Field: Biomedical Engineering Dissertation Title: Design, Fabrication and Characterization of Novel Metamaterials in Microwave and Terahertz Regions: Multi-Band, Frequency-Tunable and Miniaturized Structures Supervisor: Prof. Dr. Gonul Turhan-Sayan Visiting Scholarship (20 August 2009 19 August 2010) Boston University Department of Physics Multifunctional Materials Spectroscopy Laboratory Boston, MA, USA. Research Topic: Frequency Tunable Terahertz Metamaterials Director: Assoc. Prof. Dr. Richard D. Averitt B.Sc. 08 July 2002 Suleyman Demirel University Department of Electronics and Communication Engineering Isparta, TURKEY EXPERIMENTAL AND SIMULATION EXPERIENCES Equipment experiences: o Agilent 8720D, Fieldfox N9926A Vector Network Analyzers. o Agilent 8257C, 8257D, 8267D Signal Generators. o Agilent 4408B Spectrum Analyzer. Software experiences: o Ansys HFSS. o CST Microwave Studio. o MATLAB. o AWR Microwave Office. Uptated on April 30, 2015. Page 2
WORK EXPERIENCE 2011 December Present Assistant Professor, Suleyman Demirel University, Electronics and Communication Engineering Department, Isparta, TURKEY. 2011 March 2011 December Research Assistant, Suleyman Demirel University, Electronics and Communication Engineering Department, Isparta, TURKEY. 2002 September 2011 March Research Assistant, Middle East Technical University, Electrical and Electronics Engineering Department, Ankara, TURKEY. 2009 August 2010 August Visiting Researcher, Boston University, Physics Department, Boston, MA, USA. ON GOING PROJECTS Principle Investigator, TUBITAK 3501, 2014-2016. Grant Number: 113E632 Principle Investigator, SDU BAP, 2014-2015. Grant Number: 4085-YL1-14 Principle Investigator, SDU OYP, 2014-2015. Grant Number: ÖYP06177-YL-14 Researcher, TUBITAK 1001, 2014-2016. Grant Number: 113E608, Director: Assist. Prof. Dr. Ismail Bayrakli. Consultant, TUBITAK 3501, 2013-2015. Grant Number: 113Z140, Director: Assist. Prof. Dr. Zeynep Ekmekci. COMPLETED INDUSTRY PROJECT Consultant, Bilgisayar Tabanlı Sinyal Jeneratoru ve Osiloskop (in Turkish), TÜBİTAK 2241A, 2013. Director: Talha Samet Solakoglu Consultant, Yalnız Başına Çalışan Laboratuvar Personelinin Sağlık Durumunun Uzaktan Takibi Ve Erken İkaz Sistemi (in Turkish), TÜBİTAK 2209A, 2012-2013. Director: Havva Betul Akman Researcher, Behavioral Modeling of Power Amplifiers, ASELSAN*, 2009. Project Number: HC-IA-2009-001 Director: Prof. Dr. Şimşek Demir, METU Electrical and Electronics Eng. Dept. * ASELSAN was established in 1975, to meet the communications electronics requirements of the Turkish Armed Forces. Uptated on April 30, 2015. Page 3
AWARDS AND SCHOLARSHIPS Scholarships Travel Grant of the Scientific and Technological Research Council of Turkey (TUBITAK) for PIERS 2013 in Stockholm. August 2013 Scholarship of Suleyman Demirel University (1998-1999) (2001-2002) Scholarship of Prime Ministry of Turkey (1998-1999) (2000-2001) (2001-2002) Travel Grant of the Scientific and Technological Research Council of Turkey (TUBITAK) for IEEE AP-S 2008 in San Diego. July 2008 Grant of the Scientific and Technological Research Council of August 2009- Turkey (TUBITAK) for Ph.D. level studies in Boston University for August 2010 one year. Awards METU Thesis of the Year Award by METU Parlar Foundation for Evren Ekmekci s Ph.D Thesis. Ranked 3 rd at graduation from B.Sc. (Suleyman Demirel University Electronics and Communication Engineering) 2011 2002 TEACHING in SULEYMAN DEMIREL UNIVERSITY Course Code Course Name Semester EHM 121 Fund. of Electronics and Communication Eng. 2012-2013 Fall 2013-2014 Fall 2014-2015 Fall EHM 252 Signals and Systems 2011-2012 Spring 2012-2013 Spring 2013-2014 Spring 2014-2015 Spring EHM 321 Electronics Circuit Lab. II 2012-2013 Fall 2013-2014 Fall 2014-2015 Fall EHM 441 Digital Signal Processing 2012-2013 Fall 2013-2014 Fall 2014-2015 Fall EHM 464 Antennas and Propagation 2011-2012 Spring 2012-2013 Spring 2013-2014 Spring 2014-2015 Spring Uptated on April 30, 2015. Page 4
EHM 462 Microwave and Antenna Lab. 2011-2012 Spring 2012-2013 Spring 2013-2014 Spring 2014-2015 Spring EHM 474 RF and Microwave Circuits 2012-2013 Spring 2014-2015 Spring END 406 Introduction to Electrical and Electronics 2011-2012 Spring ESM 104 Fund. of. Electric and Electronics 2012-2013 Spring 01EHB5147 Antenna Analysis and Design (Grad. Course) 2012-2013 Fall 2013-2014 Fall 01EHB5196 Numerical Methods in Electromagnetics (Grad. Course) 2011-2012 Spring 2012-2013 Spring 2013-2014 Spring 01EEN5137 Antenna Theory (Grad. Course) 2014-2015 Fall SOCIETY MEMBERSHIPS IEEE Institute of Electrical and Electronics Eng. REVIEWER Advanced Electromagnetics Applied Physics Letters Chinese Optics Letters IEEE Antennas and Wireless Propagation Letters JEMWA/PIER Journals Journal of the Optical Society of America B Optics Express Optics Letters GRADUATE STUDENTS Graduated: Gokay Disken (M.Sc., 2014) In Progress: Esra Demir (M. Sc.) Elif Merve Kucukoner (M. Sc.) Omer Kasar (M. Sc.) Khalid Al-Badri (M. Sc.) Uptated on April 30, 2015. Page 5
PUBLICATIONS ISI Scopus Google Scholar Total Articles in Publication List 23 30 35 h-index 6 7 8 Total Citations 141 197 301 updated: April 30, 2015. International Refereed Journal Papers 1. O. Turkmen, E. Ekmekci, G. Turhan-Sayan, Effects of Using Different Boundary Conditions and Computational Domain Dimensions on Modeling and Simulations of Periodic Metamaterial Arrays in Microwave Frequencies, International Journal of RF and Microwave Computer-Aided Engineering, vol. 23, no. 4, pp. 459-465, 2013. 2. E. Ekmekci, G. Turhan-Sayan, Multi-Functional Metamaterial Sensor Based on a Broad- Side Coupled SRR with Multi-Layer Substrate, Applied Physics A: Materials, Science & Processing, vol. 110, no.1, pp. 189-197, 2013. 3. O. Turkmen, E. Ekmekci, G. Turhan-Sayan, Nested U-Ring Resonators: A Novel Multi- Band Metamaterial Design in Microwave Region, IET Microwaves, Antennas and Propagation, vol. 6, issue 10, pp. 1102-1108, 2012. 4. E. Ekmekci, A. C. Strikwerda, K. Fan, G. Keiser, X. Zhang, G. Turhan-Sayan, R. D. Averitt, Frequency tunable terahertz metamaterials using broadside-coupled split ring resonators, Physical Review B, vol. 83, 193103, 2011. 5. H. Tao, A. C. Strikwerda, M. Liu, J. P. Mondia, E. Ekmekci, K. Fan, D. L. Kaplan, W. J. Padilla, X. Zhang, R. D. Averitt, and F. G. Omenetto, Performance enhancement of terahertz metamaterials on ultrathin substrates for sensing applications, Applied Physics Letters, vol. 97, 261909, 2010. 6. E. Ekmekci, G. Turhan-Sayan, Single Loop Resonator: Dual-band magnetic metamaterial structure, Electronics Letters, vol. 46, no. 5. 324-325, 2010. 7. E. Ekmekci, K. Topalli, T. Akin, G. Turhan-Sayan, A Tunable Multi-Band Metamaterial Design Using Micro-Split SRR Structures, Optics Express, vol. 17, no. 18, 16046-16058, 2009. 8. E. Ekmekci, G. Turhan-Sayan, Comparative Investigation of Resonance Characteristics and Electrical Size of The Double-Sided SRR, BC-SRR and Conventional SRR Type Metamaterials for Varying Substrate Parameters, Progress In Electromagnetics Research B, vol. 12, 35-62, 2009. International Refereed Conference Papers 1. G. Disken, F. Pala, E. Demir, H. D. Korucu, E. Ekmekci, Electromagnetic Behavior of SRR Loaded Microstrip Transmission Lines: Investigation for Different SRR Types and Array Topologies,Progress in Electromagnetic Research Symposium, August 2013, Stockholm, Sweden. 2. E. Ekmekci, Y. G. Tamac, Comparative Investigation of Basic Antenna Parameters and Electrical Sizes among SRR Type Metamaterial Antennas and Rectangular Microstrip Antenna, 12 th Mediterranean Microwave Symposium (MMS 2012), September 2012, Istanbul, Turkey. 3. O. Turkmen, E. Ekmekci, G. Turhan-Sayan, Effects of Using Different Boundary Conditions and Computational Domain Dimensions for Proper Modelling and Simulation of Uptated on April 30, 2015. Page 6
Metamaterial Arrays in Microwave Frequencies, 12 th Mediterranean Microwave Symposium (MMS 2012), September 2012, Istanbul, Turkey. 4. K. Topalli, E. Ekmekci, A Series Power Divider Using Zero-Degree Metamaterial Lines With Mems Tuning Capability, 13 th International Symposium on RF MEMS and RF Microsystems, July 2012, Antalya, Turkey. 5. E. Ekmekci, A. C. Strikwerda, K. Fan, G. Keiser, X. Zhang, G. Turhan-Sayan, R. D. Averitt, Frequency Tunable Metamaterial Designs Using Near Field Coupled SRR Structures in the Terahertz Region, 36 th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), October 2011, Houston, TX, USA. 6. O. Turkmen, E. Ekmekci and G. Turhan-Sayan, Miniaturization of U-Shaped Multi-Band Metamaterial Structures, XXX URSI General Assembly and Scientific Symposium of International Union of Radio Science, August 2011, Istanbul, Turkey. 7. E. Ekmekci and G. Turhan-Sayan, Metamaterial Sensor Applications Based on Broadside- Coupled SRR and V-Shaped Resonator Structures, IEEE AP-S International Symposium on Antennas and Propagation, pp. 1170-1172, July 2011, Spokane, WA, USA. 8. O. Turkmen, E. Ekmekci, G. Turhan-Sayan, Parametric Investigation of a New Multi-Band Metamaterial Design: U-Shaped Multiple Ring Magnetic Resonators, IEEE AP-S International Symposium on Antennas and Propagation, pp. 1516-1518, July 2011, Spokane, WA, USA. 9. E. Ekmekci, A. C. Strikwerda, K. Fan, G. R. Keiser, X. Zhang, G. Turhan-Sayan, R. D. Averitt, Frequency Tunable Metamaterial Designs Using Near-Field Coupled SRR Structures in the Terahertz Region, CLEO: Science and Innovations, May 2011, Baltimore, MD, USA. 10. O. Turkmen, E. Ekmekci, G. Turhan-Sayan, A New Multi-ring SRR Type Metamaterial Design with Multiple Magnetic Resonances, Progress in Electromagnetic Research Symposium, pp. 315-319, March 2011, Marrakesh, Morroco. 11. E. Ekmekci, G. Turhan-Sayan, Use of SRR-Based Super-Cells to Obtain Multiple Resonances and Broader Frequency Bands with Negative Effective Permeability, IEEE AP-S International Symposium on Antennas and Propagation, July 2010, Toronto, ON, Canada. 12. E. Ekmekci, R. D. Averitt, G. Turhan-Sayan, Effects of Substrate Parameters on the Resonance Frequency of Double-Sided SRR Structures Under Two Different Excitations, Progress in Electromagnetic Research Symposium, pp. 538-540, July 2010, Cambridge, MA, USA. 13. T. T. Katilmis, E. Ekmekci, G. Turhan-Sayan, Unsupervised Electromagnetic Target Classification by Self-Organizing Map Type Clustering, Progress in Electromagnetic Research Symposium, pp. 240-243, July 2010, Cambridge, MA, USA. 14. P. Yasar-Orten, E. Ekmekci, G. Turhan-Sayan, Equivalent Circuit Models for Split-Ring Resonator Arrays, Progress in Electromagnetic Research Symposium, pp. 534-537, July 2010, Cambridge, MA, USA. 15. E. Ekmekci, G. Turhan-Sayan, A Novel Dual Band Metamaterial Structure Composed of Modified SRR, Progress in Electromagnetic Research Symposium, pp. 87-90, August 2009, Moscow, Russia. 16. E. Ekmekci, K. Topalli, T. Akin, G. Turhan-Sayan, Effects of Array Dimensions on the Resonance Characteristics of SRR Type Metamaterial Arrays with Small Sizes: Simulations and Experiments, Progress in Electromagnetic Research Symposium, pp. 83-86, August 2009, Moscow, Russia. 17. E. Ekmekci, K. Topalli, T. Akin, G. Turhan-Sayan, A Feasibility Study for Tunable Metamaterial Design Using Multi-Split SRR Structures and RF MEMS Switching, IEEE International Symposium on Antennas and Propagation, June 2009, Charleston, SC., USA. Uptated on April 30, 2015. Page 7
18. E. Ekmekci, G. Turhan-Sayan, Reducing the Electrical Size of Magnetic Metamaterial Resonators by Geometrical Modifications: A Comparative Study for Single-Sided and Double-Sided Multiple SRR, Spiral and U-Spiral Resonators IEEE International Symposium on Antennas and Propagation, July 2008, San Diego, USA. 19. M. Secmen, E. Ekmekci, G. Turhan-Sayan, A Resonance Region Method for Recognition of Multiple Targets Using the MUSIC Algorithm and a Time Correlation Technique, IEEE International Symposium on Antennas and Propagation, July 2008, San Diego, USA. 20. E. Ekmekci, G. Turhan-Sayan, Sensitivity of the Resonance Characteristics of SRR and DSRR (Double-Sided SRR) Type Metamaterials to the Changes in Substrate Parameters and the Usefulness of DSRR Structure for Reduced Electrical Size, Progress in Electromagnetic Research Symposium, pp. 598-602, July 2008, Cambridge, USA. 21. E. Ekmekci, G. Turhan-Sayan, Investigation of Effective Permittivity and Permeability for a Novel V-Shaped Metamaterial Using Simulated S-Parameters, 5th International Conference on Electrical and Electronics Engineering, pp. 251-254, December 2007, Bursa, Turkey. 22. G. Turhan-Sayan, E. Ekmekci, Target Pole Extraction from Transient Scattered Electromagnetic Data Using the Page and Wigner Distributions, Mediterranean Microwave Symposium 2006, pp. 129-132, September 2006, Genoa, Italy. National Refereed Conference Papers (in Turkish) 1. E. Ekmekci, A. Cinar, A. Ayan, H. D. Korucu, E. Demir, "Enine Kuplajlı ve AHR Tabanlı Anten Yapıları İçin Elektriksel Boyut ve Kazanç Analizi," 7. URSI-Türkiye Bilimsel Kongresi, August 2014, Elazığ, Turkey. 2. G. Disken, E. Ekmekci, "Ayrık Halka Rezonatör Dizisi İle İki Modlu Anten Tasarımı," IEEE 22. Sinyal İşleme ve İletişim Uygulamaları Kurultayı, April 2014, Trabzon. Turkey. 3. H. D. Korucu, E. Ekmekci, Metamalzeme Tabanlı ve İki Bantlı Mikroşerit Bant Durduran Filtre Tasarımı Araştırmaları, İlk Bildiriler Konferansı, pp. 64-67, June 2013, Ankara, Turkey. 4. E. Ekmekci, G. Turhan-Sayan, Metamalzeme Etkin Ortam Parametrelerinin Doğrulanması İçin Yeni Bir Yöntem, IEEE 19. Sinyal İşleme ve İletişim Uygulamaları Kurultayı, April 2011, Antalya, Turkey. 5. E. Ekmekci, K. Topalli, T. Akin, G. Turhan-Sayan, Ayrık Halkalı Rezonatörlerden Oluşan Metamateryal Dizi Yapılarının Deneysel Olarak İncelenmesi, IEEE 17. Sinyal İşleme ve İletişim Uygulamaları Kurultayı, April 2009, Antalya, Turkey. 6. E. Ekmekci, K. Topalli, T. Akin, G. Turhan-Sayan, RF-MEMS Anahtarlama Tekniği İle AHR Tipi Metamalzemelerde Manyetik Rezonans Frekansının Adaptif Biçimde Ayarlanması, URSI-Türkiye 2008 4. Bilimsel Kongresi, pp. 106-109, October 2008, Antalya, Turkey. 7. E. Ekmekci, G. Turhan-Sayan, Çift Taraflı Ayrık Halkalı Rezonatör Yapısının Metamateryal Sensör Uygulamaları, URSI-Türkiye 2008 4. Bilimsel Kongresi, pp. 62-65, October 2008, Antalya, Turkey. 8. E. Ekmekci, G. Turhan-Sayan, V-Şekilli Rezonatör ve İletken Çubuklar Kullanarak Oluşturulan Sol-Elli Yapının Benzetimi, Etkin Ortam Parametrelerinin Çıkartılması ve Rezonans Frekansının Kaydırılması, Elektrik Elektronik Bilgisayar Biyomedikal Mühendisliği 12. Ulusal Kongre ve Fuarı, November 2007, Eskişehir, Turkey. 9. E. Ekmekci, G. Turhan-Sayan, Çift Taraflı Yapı ile Ayrık Halkalı Rezonatörün Rezonans Frekansının Düşürülmesi, 15.Yıl Mühendislik-Mimarlık Kongresi, Vol. 2, pp. 36-40, November 2007, Isparta, Turkey. Uptated on April 30, 2015. Page 8
10. E. Ekmekci, G. Turhan-Sayan, V-Şekilli Yapılarla Yeni Bir Manyetik Rezonatör Uygulaması ve Simülasyonu, IEEE 15. Sinyal İşleme ve İletişim Uygulamaları Kurultayı, June 2007, Eskişehir, Turkey. 11. M. Seçmen, E. Ekmekci, G. Turhan-Sayan, Kaynaştırılmış MUSIC Tayf Matrisleri ile Elektromanyetik Hedef Tanıma Yönteminin Eksik Frekans Verilerine Uygulanması ve Performans Analizi, IEEE 15. Sinyal İşleme ve İletişim Uygulamaları Kurultayı, June 2007, Eskişehir, Turkey. 12. G. Turhan-Sayan, E. Ekmekci, Geç-zamanlı Elektromanyetik Saçınım Verilerinden Page ve Wigner Dağılımları Kullanarak Hedef Sistem Kutuplarının Çıkarımı, URSI-Türkiye 2006 3. Bilimsel Kongresi, pp.61-63, September 2006, Ankara, Turkey. Uptated on April 30, 2015. Page 9
CONFERENCE/INVITED TALKS 1. Mikrodalga ve Terahertz Bölgesi Metamalzemeler, Trakya University Faculty of Engineering National Seminars III, May 2014, Edirne (invited speaker). 2. Mikrodalga ve Terahertz Bölgesi Metamalzemelerin Tasarımı ve Uygulamaları, Elektronikte 4T Semineri, April 2014, Ankara (invited speaker). 3. Electromagnetic Behavior of SRR Loaded Microstrip Transmission Lines: Investigation for Different SRR Types and Array Topologies, Progress in Electromagnetic Research Symposium, August 2013, Stockholm, Sweden. 4. Comparative Investigation of Basic Antenna Parameters and Electrical Sizes among SRR Type Metamaterial Antennas and Rectangular Microstrip Antenna, 12 th Mediterranean Microwave Symposium (MMS 2012), September 2012, Istanbul, Turkey. 5. Effects of Using Different Boundary Conditions and Computational Domain Dimensions for Proper Modelling and Simulation of Metamaterial Arrays in Microwave Frequencies, 12 th Mediterranean Microwave Symposium (MMS 2012), September 2012, Istanbul, Turkey. 6. Use of SRR-Based Super-Cells to Obtain Multiple Resonances and Broader Frequency Bands with Negative Effective Permeability, IEEE AP-S International Symposium on Antennas and Propagation, July 2010, Toronto, ON, Canada. 7. Effects of Substrate Parameters on the Resonance Frequency of Double-Sided SRR Structures Under Two Different Excitations, Progress in Electromagnetic Research Symposium, July 2010, Cambridge, MA, USA. 8. A Resonance Region Method for Recognition of Multiple Targets Using the MUSIC Algorithm and a Time Correlation Technique, IEEE International Symposium on Antennas and Propagation, July 2008, San Diego, USA. 9. Sensitivity of the Resonance Characteristics of SRR and DSRR (Double-Sided SRR) Type Metamaterials to the Changes in Substrate Parameters and the Usefulness of DSRR Structure for Reduced Electrical Size, Progress in Electromagnetic Research Symposium, July 2008, Cambridge, USA. 10. RF-MEMS Anahtarlama Tekniği İle AHR Tipi Metamalzemelerde Manyetik Rezonans Frekansının Adaptif Biçimde Ayarlanması, URSI-Türkiye 2008 4. Bilimsel Kongresi, October 2008, Antalya, Turkey. 11. Çift Taraflı Ayrık Halkalı Rezonatör Yapısının Metamateryal Sensör Uygulamaları: Kuram ve Benzetim, URSI-Türkiye 2008 4. Bilimsel Kongresi, October 2008, Antalya, Turkey. (in Turkish) 12. V-Şekilli Rezonatör ve İletken Çubuklar Kullanarak Oluşturulan Sol-Elli Yapının Benzetimi, Etkin Ortam Parametrelerinin Çıkartılması ve Rezonans Frekansının Kaydırılması, Elektrik Elektronik Bilgisayar Biyomedikal Mühendisliği 12. Ulusal Kongre ve Fuarı, November 2007, Eskişehir, Turkey. (in Turkish) 13. Çift Taraflı Yapı ile Ayrık Halkalı Rezonatörün Rezonans Frekansının Düşürülmesi, 15.Yıl Mühendislik-Mimarlık Kongresi, November 2007, Isparta, Turkey. (in Turkish) 14. Kaynaştırılmış MUSIC Tayf Matrisleri ile Elektromanyetik Hedef Tanıma Yönteminin Eksik Frekans Verilerine Uygulanması ve Performans Analizi, IEEE 15. Sinyal İşleme ve İletişim Uygulamaları Kurultayı, June 2007, Eskişehir, Turkey. (in Turkish) 15. Investigation of Permittivity and Permeability for a Novel V-Shaped Metamaterial Using Simulated S-Parameters, 5th International Conference on Electrical and Electronics Engineering, December 2007, Bursa, Turkey. 16. Target Pole Extraction from Transient Scattered Electromagnetic Data Using the Page and Wigner Distributions, Mediterranean Microwave Symposium 2006, September 2006, Genoa, Uptated on April 30, 2015. Page 10
Italy. 17. Geç-zamanlı Elektromanyetik Saçınım Verilerinden Page ve Wigner Dağılımları Kullanarak Hedef Sistem Kutuplarının Çıkarımı, URSI-Türkiye 2006 3. Bilimsel Kongresi, September 2006, Ankara, Turkey. (in Turkish) Uptated on April 30, 2015. Page 11