Assoc. Prof. Gökhan ÖZTÜRK

Publication Network

Articles 42

1. Multiparametric gadoxetic acid–enhanced magnetic resonance imaging (MRI) biomarkers demonstrate stage-dependent associations in chronic liver disease

Işık F., Yener M., Işıktaş M., Sipahioğlu S., Öztürk M., DURSUN H., et al.

Clinical Radiology , vol.101, 2026 (SCI-Expanded, Scopus)

2. Experimental validation of a Ku-band cross-polarization converter and detailed numerical RCS investigation across multiple geometries.

Tutar F., Ozturk G., Hasar U. C.

Scientific reports , vol.16, no.1, 2026 (SCI-Expanded, Scopus)

3. Ultra-thin, polarization-insensitive, deca-band metasurface absorber based on a plus-shaped resonator with concentric circular arc elements

Kurt M., ÖZTÜRK G., Hasar U. C., ERTUĞRUL M.

Optics and Laser Technology , vol.199, 2026 (SCI-Expanded, Scopus)

4. Permittivity Extraction of Electrically Thin Samples by Reflection-Only Free-Space Measurements

Hasar U. C., Xue B., Ozturk H., KAYA Y., ÖZTÜRK G.

IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS , vol.36, 2026 (SCI-Expanded, Scopus)

5. Ku-Band Reflective Metasurface Polarization Converter with Near-Unity Efficiency and RCS Reduction Capability

Tutar F., ÖZTÜRK G., Hasar U. C.

IEEE Access , vol.14, pp.109142-109159, 2026 (SCI-Expanded, Scopus)

6. Hepta-Band Ultra-Thin Metasurface Absorber for S-, C-, X-, Ku-, and K-Band Applications

Kurt M., ÖZTÜRK G., ERTUĞRUL M.

Arabian Journal for Science and Engineering , vol.50, no.21, pp.17813-17826, 2025 (SCI-Expanded, Scopus)

7. Design, Parametric Analysis, and Experimental Validation of a Screen-Printed Flexible Band-Stop Frequency Selective Surface

KIZILTAŞ H., ÖZTÜRK G.

Brilliant Engineering , vol.6, no.3, pp.41040, 2025 (Peer-Reviewed Journal)

8. Multi-functional, multi-band, low-profile, ultra-thin, and cost-effective metasurface-based polarization converter

Kaya Y., Hasar U. C., Ozturk H., Öztürk G.

MEASUREMENT , vol.248, 2025 (SCI-Expanded, Scopus) Sustainable Development

9. Ultra-Thin Metasurface Polarization Converter with Linear and Circular Polarization Features for RCS Applications

Albasry F. A., Öztürk G., Hasar U. C., Çorapsız M. F.

ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING , vol.50, no.8, pp.5463-5473, 2025 (SCI-Expanded, Scopus)

10. High Efficiency and Wideband Polarization Converter Design in Terahertz Region

Kadiroğlu F., Öztürk G.

Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi , vol.18, no.1, pp.24-41, 2025 (TRDizin)

11. A Hybrid Retrieval Method for an -Class Bianisotropic Metamaterial Using Scattering Parameter Method

Öztürk G., Hasar U. C., Kaya Y., Korkmaz H., Stoyanov I.

IEEE ACCESS , vol.13, pp.10954-10965, 2025 (SCI-Expanded, Scopus) Sustainable Development

12. Synthesis of Fe3O4@Sio2-Ag Magnetic Composite Supported by Silver Nanoparticleswith Excellent Photocatalytic Activity and Recyclability

Tekin T., Birhan D., Kızıltaş H., Öztürk G., Öznülüer Özer T., Oğuz E.

Brilliant Engineering , vol.5, 2024 (Peer-Reviewed Journal)

13. Extraction Method for Unique Determination of Complex Permittivity from Graphical Analysis of Natural Frequencies

Hasar U. C., ÖZTÜRK G., Kaya Y., Alfaqawi M. S. S., Barroso J. J., ERTUĞRUL M., et al.

IEEE Transactions on Antennas and Propagation , vol.71, no.9, pp.7690-7693, 2023 (SCI-Expanded, Scopus)

14. An efficient cost effective wide-angle metasurface-based linear and circular polarization converter for X-, Ku- and K-band applications

ÖZTÜRK G., Hasar U. C., ERTUĞRUL M., Tutar F., ÇORAPSIZ M. F., Kurt M., et al.

Optics and Laser Technology , vol.163, 2023 (SCI-Expanded, Scopus)

15. Enhancing radar absorption performance of Sr-hexaferrite by hybridization with coiled carbon nanotubes via chemical vapour deposition method

Zulkimi M. M. M., Azis R. S., Ismail I., Mokhtar N., Ertugrul M., Hamidon M. N., et al.

Diamond and Related Materials , vol.137, 2023 (SCI-Expanded, Scopus)

16. Design and validation of IoT based smart classroom

YAĞANOĞLU M., BOZKURT F., GÜNAY F. B., KUL S., Şimşek E., ÖZTÜRK G., et al.

MULTIMEDIA TOOLS AND APPLICATIONS , vol.83, no.22, pp.62019-62043, 2023 (SCI-Expanded, Scopus) Sustainable Development

17. Temporal Reflection Response of Plane Waves Within an N-Layer Structure Involving Bianisotropy

Hasar U. C., ÖZTÜRK G., Kaya Y., Barroso J. J., Ertugrul M., Ramahi O. M., et al.

IEEE Transactions on Antennas and Propagation , vol.71, no.7, pp.5946-5953, 2023 (SCI-Expanded, Scopus)

18. Close link between Fabry–Pérot resonance and natural-resonance frequencies

Cem Hasar U., Öztürk G., Kaya Y., José Barroso J., Ramahi O. M., Ertugul M.

Waves in Random and Complex Media , 2023 (SCI-Expanded, Scopus)

19. Broadband, Stable, and Noniterative Dielectric Constant Measurement of Low-Loss Dielectric Slabs Using a Frequency-Domain Free-Space Method

Hasar U. C., Kaya Y., ÖZTÜRK G., ERTUĞRUL M., Korasli C.

IEEE Transactions on Antennas and Propagation , vol.70, no.12, pp.12435-12439, 2022 (SCI-Expanded, Scopus)

20. Feasible Extraction Method for Electromagnetic Properties of Multilayer Metamaterials With Short-Circuit Termination

Hasar U. C., ÖZTÜRK G., Kaya Y., Bute M., Karaaslan M., Barroso J. J., et al.

IEEE Transactions on Antennas and Propagation , vol.70, no.11, pp.10650-10659, 2022 (SCI-Expanded, Scopus)

21. Air Based Flexible Ultra-Thin Transparent ITO Based Broadband and Polarization Insensitivity Metamaterial Absorber

ÖZTÜRK G., TUTAR F., ERTUĞRUL M., KOÇKESER A., ÖZTÜRK Y.

Balkan Journal of Electrical and Computer Engineering , vol.10, no.4, pp.363-369, 2022 (TRDizin)

22. Ultra-thin reflective linear and circular polarization converter for Ku band applications

ÖZTÜRK G., ÇORAPSIZ M. F.

Optics Communications , vol.516, 2022 (SCI-Expanded, Scopus)

23. Ultra-thin, wide-angle and bandwidth-enhanced linear and circular metasurface-based reflection-type polarization converter at X-band microwave frequency

ÖZTÜRK G.

JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS , vol.36, no.10, pp.1423-1435, 2022 (SCI-Expanded, Scopus)

24. An effective metasurface-based linear and circular polarization converter for C- and X-band applications

Tutar F., Ozturk G.

OPTICAL MATERIALS , vol.128, pp.1-9, 2022 (SCI-Expanded, Scopus)

25. Sign-ambiguity-free retrieval of electromagnetic properties of bianisotropic metamaterials

Cem Hasar U., ÖZTÜRK G., Ertugul M.

WAVES IN RANDOM AND COMPLEX MEDIA , vol.32, no.3, pp.1307-1321, 2022 (SCI-Expanded, Scopus)

26. Effect of Mn and Zn doping on natural resonance frequency of strontium U-type hexaferrite and its performance as electromagnetic wave absorbers

Ismail I., Muhammad Zulkimi M. M., Azis R. S., Mustaffa M. S., Hamidon M. N., ERTUĞRUL M., et al.

JOURNAL OF ALLOYS AND COMPOUNDS , vol.898, 2022 (SCI-Expanded, Scopus)

27. Ku Band Uygulamalar İçin Geniş Açı, Basit Dizayn Hibrit Metayüzey Polarizasyon Dönüştürücü

ÖZTÜRK G., TUTAR F., BULUT M.

Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi , vol.12, no.2, pp.680-691, 2022 (TRDizin)

28. Metasurface Based Reflection Type Linear Polarization Conversion for X Band Applications

ÖZTÜRK G.

Avrupa Bilim ve Teknoloji Dergisi , vol.34, pp.773-777, 2022 (Peer-Reviewed Journal)

29. Calibration-Free Time-Domain Free-Space Permittivity Extraction Technique

Hasar U. C., ÖZTÜRK G., Kaya Y., ERTUĞRUL M.

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION , vol.70, no.2, pp.1565-1568, 2022 (SCI-Expanded, Scopus)

30. Simple and accurate electromagnetic characterization of omega-class bianisotropic metamaterials using the state transition matrix method

Hasar U. C., ÖZTÜRK G., Kaya Y., Barroso J. J., ERTUĞRUL M.

IEEE Transactions on Antennas and Propagation , vol.69, no.10, pp.7064-7067, 2021 (SCI-Expanded, Scopus)

31. Electromagnetic characterization of strong-coupled Omega-type bianisotropic metamaterials using the state transition matrix method

HASAR U. C., ÖZTÜRK G., Ertugul M., Barroso J. J., Ramahi O. M.

WAVES IN RANDOM AND COMPLEX MEDIA , 2021 (SCI-Expanded, Scopus) Sustainable Development

32. Natural Mode Series Expansion of Transient Transmission Field Through an N-Layer Structure

Hasar U. C., ÖZTÜRK G., ERTUĞRUL M.

IEEE Transactions on Antennas and Propagation , vol.69, pp.3436-3442, 2021 (SCI-Expanded, Scopus)

33. New formalism for characterization of simple non-reciprocal networks free from singularity-point problem

Hasar U. C., Kaya Y., ÖZTÜRK G., Ozturk H., Izginli M., ERTUĞRUL M.

Measurement: Journal of the International Measurement Confederation , vol.177, 2021 (SCI-Expanded, Scopus)

34. Graphical Method for Examining Complex Natural Frequencies of Dispersive Materials

Hasar U. C., ÖZTÜRK G., Barroso J. J., Gurbuz T. U., Kaya Y., ERTUĞRUL M.

IEEE Microwave and Wireless Components Letters , vol.31, no.5, pp.421-424, 2021 (SCI-Expanded, Scopus)

35. Effect of sample deformation in longitudinal axis on material parameter extraction by waveguides

Hasar U. C., Kaya Y., ÖZTÜRK G., ERTUĞRUL M.

Measurement: Journal of the International Measurement Confederation , vol.176, 2021 (SCI-Expanded, Scopus)

36. Determination of Constitutive Parameters of Strong-Coupled Bianisotropic Metamaterials Using Oblique Incidence Scattering Parameters

ÖZTÜRK G., Hasar U. C., Bute M., ERTUĞRUL M.

IEEE Transactions on Antennas and Propagation , vol.69, no.2, pp.918-927, 2021 (SCI-Expanded, Scopus)

37. Analysis of Solution Pattern of Natural Frequencies by a Graphical Method

Hasar U. C., ÖZTÜRK G., Bute M., ERTUĞRUL M., Barroso J. J.

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION , vol.69, no.2, pp.1209-1212, 2021 (SCI-Expanded, Scopus)

38. Triple Band Wide Angle Polarization Insensitive Metamaterial Absorber

ÖZTÜRK G.

Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi , vol.14, no.2, pp.789-801, 2021 (TRDizin)

39. Propagation constant measurements of reflection-asymmetric and nonreciprocal microwave networks from S-parameters without using a reflective standard

Hasar U. C., Kaya Y., ÖZTÜRK G., ERTUĞRUL M.

Measurement: Journal of the International Measurement Confederation , vol.165, 2020 (SCI-Expanded, Scopus)

40. Method for Electromagnetic Property Extraction of Sublayers in Metal-Backed Inhomogeneous Metamaterials

Hasar U. C., Öztürk G., Bute M., Ertuğrul M.

IEEE ACCESS , vol.8, pp.151705-151718, 2020 (SCI-Expanded, Scopus)

41. Determination of Effective Constitutive Parameters of Inhomogeneous Metamaterials With Bianisotropy

HASAR U. C., BULDU G., KAYA Y., ÖZTÜRK G.

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES , vol.66, no.8, pp.3734-3744, 2018 (SCI-Expanded, Scopus)

42. Note: Parameter extraction of samples without the direct application of the passivity principle from reference-plane-invariant measurements

Hasar U. C., ÖZTÜRK G.

REVIEW OF SCIENTIFIC INSTRUMENTS , vol.89, no.7, 2018 (SCI-Expanded, Scopus)

Papers Presented at Peer-Reviewed Scientific Conferences 28

1. Ultra İnce Saydam Esnek Metamalzeme Elektromanyetik Soğurucu Tasarımı

Boz M., Yiğit O., Öztürk G.

URSI-TÜRKİYE 2025 XII. Bilimsel Kongresi, Yaşar Üniversitesi, İzmir, İzmir, Turkey, 8 - 10 September 2025, pp.1-3, (Full Text)

2. Ultra İnce Saydam Esnek Metamalzeme Polarizasyon Dönüştürücü

Boz M., Yiğit O., Öztürk G.

URSI-TÜRKİYE 2025 XII. Bilimsel Kongresi, Yaşar Üniversitesi, İzmir, İzmir, Turkey, 8 - 10 September 2025, pp.4-8, (Full Text)

3. 5th International Conference on Advanced Engineering Technologies

TUTAR F., ÖZTÜRK G.

5th International Conference on Advanced Engineering Technologies, Bayburt, Turkey, 25 - 27 September 2024, pp.708-711, (Full Text)

4. Metasurface Based Filter for X-Band Applications

BULUT M., ÖZTÜRK G.

5th International Conference on Advanced Engineering Technologies, Bayburt, Turkey, 25 - 27 September 2024, pp.931-937, (Full Text)

5. Circular Ring Resonator Based Metamaterial Absorber for Defense Industry Application Areas

KURT M., ÖZTÜRK G.

5th International Conference on Advanced Engineering Technologies, Bayburt, Turkey, 25 - 27 September 2024, pp.393-402, (Full Text)

6. VO2 Based Adaptive Wideband THz Metamaterial Absorber

KURT M., ÖZTÜRK G.

International Conference on Engineering, Natural Sciences, and Technological Developments (ICENSTED 2024), Balıkesir, Turkey, 19 - 21 July 2024, pp.1149-1156, (Full Text)

7. A THz Metamaterial Based Linear and Circular Polarization Converter

KADİROĞLU F., ÖZTÜRK G.

TELECOMMUNICATIONS, INFORMATICS, ENERGY AND MANAGEMENT” – TIEM 2023, Balıkesir, Turkey, 01 December 2023, (Full Text)

8. A RCS Reduction Method Using the Air-Based Anisotropic Metasurface Polarization Converter

TUTAR F., ÖZTÜRK G., TOKYÜREK R.

TELECOMMUNICATIONS, INFORMATICS, ENERGY AND MANAGEMENT” – TIEM 2023, Balıkesir, Turkey, 01 December 2023, (Full Text)

9. A Novel Metasurface Multifunctional Polarization Converter in X- and Ku-Bands for Radar Cross Section Reduction Application

Tutar F., Kurt M., ÖZTÜRK G.

10th International Conference on Recent Advances in Air and Space Technologies, RAST 2023, İstanbul, Turkey, 7 - 09 June 2023, (Full Text)

10. Metasurface Linear Polarization Converter for Microwave C Band Applications

Öztürk G.

4th International Conference on Advanced Engineering Technologies, Bayburt, Turkey, 28 - 30 September 2022, pp.865-868, (Full Text)

11. Metamaterial Based Microwave Absorber

Albasry F. A., Öztürk G.

4th International Conference on Advanced Engineering Technologies, Bayburt, Turkey, 28 - 30 September 2022, no.34, pp.964, (Summary Text)

12. Metasurface-Based Reflective Type V- and W- Band Polarization Converter for Various Microwave Applications

Tutar F., Kurt M., Ozturk G.

IEEE 2022 Global Energy Conference (GEC), Batman, Turkey, 26 - 29 October 2022, pp.71-74, (Full Text)

13. Metasurface Reflective-Mode Linear and Circular Polarization Converter for C, X and Ku Microwave Applications

Tutar F., Öztürk G., Hulagu B.

2022 30th Signal Processing and Communications Applications Conference (SIU), Karabük, Turkey, 15 - 18 May 2022, pp.1-4, (Full Text)

14. Metasurface Based Reflection Type Linear Polarization Conversion for X Band Applications

ÖZTÜRK G.

2nd International Conference on Applied Engineering and Natural Sciences, Konya, Turkey, 10 - 13 March 2022, pp.553, (Summary Text)

15. METASURFACE MICROWAVE POLARIZATION CONVERTER FOR S BAND APPLICATIONS

Öztürk G.

4. INTERNATIONAL SCIENCES AND INNOVATION CONGRESS, Ankara, Turkey, 19 - 20 February 2022, pp.166-171, (Full Text)

16. Eğricik Dönüşümü Kullanarak El Yazısı İmza İmgelerinin Erişiminde Mesafe Yöntemlerinin Analizi

Engin M. A., Aras S., Öztürk G.

4rd International Conference on Data Science and Applications (ICONDATA21), İstanbul, Turkey, 4 - 06 June 2021, pp.638-643, (Full Text) Sustainable Development

17. An Ultrathin Transparent Metamaterial Absorber Using an ITO Resistive-film

ÖZTÜRK G., KAYA Y., HASAR U. C., ERTUĞRUL M., ENGİN M. A.

2nd International Symposium on Applied Sciences and Engineering (ISASE2021), Erzurum, Turkey, 07 April 2021, (Full Text)

18. An Ultrathin Transparent Metamaterial Absorber Using an ITO Resistive-film

ÖZTÜRK G., KAYA Y., HASAR U. C., ERTUĞRUL M., ENGİN M. A.

2nd International Symposium on Applied Sciences and Engineering (ISASE2021), Erzurum, Turkey, 7 - 09 April 2021, pp.358-361, (Full Text)

19. Optik Olarak Transparan C, X ve Ku Bandında Çalışan İnce Film Bazlı Metamalzeme Emici

Öztürk G.

2 nd International Conference on Access to Recent Advances in Engineering and Digitalization, Kayseri, Turkey, 10 March - 12 April 2021, pp.155, (Summary Text)

20. SIMPLE DESIGN WIDE ANGLE C SHAPED METAMATERIAL ABSORBER IN C BAND

Öztürk G.

Cumhuriyet 4. Uluslararası Uygulamalı Bilimler Kongresi, Afyonkarahisar, Turkey, 22 - 25 January 2021, pp.10-18, (Full Text)

21. KU VE K BAND MiKRODALGA UYGULAMALARI İÇİN ULTRA İNCE ULTRA GENİŞ BANT METAMALZEME EMİCİ

BULUT M., ÖZTÜRK G., ERTUĞRUL M., TUTAR F.

Cumhuriyet 4. Uluslararası Uygulamalı Bilimler Kongresi, Afyonkarahisar, Turkey, 22 - 24 January 2021, pp.1-9, (Full Text)

22. BASİT TASARIM GENİŞ AÇI C ŞEKİLLİ C BANT METALAMZEME EMİCİ

ÖZTÜRK G.

Cumhuriyet 4. Uluslararası Uygulamalı Bilimler Kongresi, Afyonkarahisar, Turkey, 22 - 24 January 2021, pp.11-18, (Full Text)

23. Determination of Negative ConstitutiveParameters Based on a Square Split Ring Resonator Left Handed Metamaterial Using Waveguide

KAYA Y., ÖZTÜRK G., HASAR U. C., ERTUĞRUL M.

ISASE2018, 26 - 28 November 2018, (Full Text)

24. Determination of Negative Constitutive Parameters Based on a Square Split Ring Resonator Left Handed Metamaterial Using Waveguide

KAYA Y., ÖZTÜRK G., HASAR U. C., ERTUĞRUL M.

International Symposium on Applied Sciences and Engineering (ISASE2018), Erzurum, Turkey, 26 - 28 November 2018, pp.154-156, (Full Text)

25. Metamaterials and Usage Areas

ÖZTÜRK G., KAYA Y., HASAR U. C., ERTUĞRUL M.

2nd International Conference on Advanced Engineering Technologies (ICADET2017), Bayburt, Turkey, 21 - 23 September 2017, vol.1, pp.1354, (Summary Text)