Hasar, Ugur Cem: search on Z-Library

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1

Graphene/polyaniline nanocomposite as platinum-freeÂ counter electrode material for dye-sensitized solar cell: its fabrication and photovoltaic performance

Bayram, Ozkan, Igman, Erdal, Guney, Harun, Demir, Zeynep, Yurtcan, Mustafa Tolga, Cirak, Cagri, Hasar, Ugur Cem, Simsek, Onder

Journal:

Journal of Materials Science: Materials in Electronics

Year:

2020

File:

PDF, 1.25 MB

2020

2

Photovoltaic performance of non-covalent functionalized single-layer graphene in dye-sensitized solar cells (DSSCs)

Igman, Erdal, Bayram, Ozkan, Mavi, Ahmet, Hasar, Ugur Cem, Simsek, Onder

Journal:

Journal of Materials Science

Year:

2021

File:

PDF, 1.65 MB

2021

3

Self-Calibrating Transmission-Reflection Technique for Constitutive Parameters Retrieval of Materials

Hasar, Ugur Cem

Journal:

IEEE Transactions on Microwave Theory and Techniques

Year:

2018

Language:

english

File:

PDF, 1.69 MB

english, 2018

4

Identification of Gases by Porous Optical Sensors Using Reflectivity Difference and Wavelength Shift

Hasar, Ugur Cem, Ozbek, Ibrahim Yucel, Cavusoglu, Bulent, Karacali, Tevhit, Efeoglu, Hasan, Ertugrul, Mehmet, Barroso, Joaquim J.

Journal:

IEEE Photonics Technology Letters

Year:

2015

Language:

english

File:

PDF, 939 KB

english, 2015

5

[IEEE 2017 IV International Electromagnetic Compatibility Conference (EMC Turkiye) - Ankara, Turkey (2017.9.24-2017.9.27)] 2017 IV International Electromagnetic Compatibility Conference (EMC Turkiye) - Planar chiral metamaterial absorber composed of new crescent shaped split ring resonators

Bute, Musa, Hasar, Ugur Cem

Year:

2017

Language:

english

File:

PDF, 611 KB

english, 2017

6

[IEEE 2017 IV International Electromagnetic Compatibility Conference (EMC Turkiye) - Ankara (2017.9.24-2017.9.27)] 2017 IV International Electromagnetic Compatibility Conference (EMC Turkiye) - Coupling analysis of resonating metamaterial slabs for the role of EMC problems

Hasar, Ugur Cem, Bute, Musa, Muratoglu, Abdurrahim

Year:

2017

Language:

english

File:

PDF, 480 KB

english, 2017

7

ANALYTICAL AND NUMERICAL ANALYSIS OF FORCE AND STIFFNESS IN A DIAMAGNETIC BEARING

CANSIZ, AHMET, HASAR, UGUR CEM

Journal:

Modern Physics Letters B

Year:

2009

Language:

english

File:

PDF, 766 KB

english, 2009

8

RETRIEVAL OF EFFECTIVE ELECTROMAGNETIC PARAMETERS OF ISOTROPIC METAMATERIALS USING REFERENCE-PLANE INVARIANT EXPRESSIONS

Hasar, Ugur Cem, Barroso, Joaquim J., Sabah, Cumali, Ozbek, Ibrahim Yucel, Kaya, Yunus, Dal, Deniz, Aydin, Tolga

Journal:

Progress In Electromagnetics Research

Year:

2012

Language:

english

File:

PDF, 2.74 MB

english, 2012

9

Determination of Complex Permittivity of Low-Loss Samples From Position-Invariant Transmission and Shorted-Reflection Measurements

Hasar, Ugur Cem

Journal:

IEEE Transactions on Microwave Theory and Techniques

Year:

2018

Language:

english

File:

PDF, 1.59 MB

english, 2018

10

Side Lobe Reduction in an X-Band Horn Antenna Loaded by a Wire Medium

Tomaz, Antônio, Barroso, Joaquim J., Hasar, Ugur Cem

Journal:

Journal of Aerospace Technology and Management

Year:

2015

Language:

english

File:

PDF, 3.05 MB

english, 2015

11

Reference-plane-invariant waveguide method for electromagnetic characterization of bi-axial bianisotropic metamaterials

Hasar, Ugur Cem, Yildiz, Gul, Bute, Musa, Muratoglu, Abdurrahim

Journal:

Sensors and Actuators A: Physical

Year:

2018

Language:

english

File:

PDF, 2.45 MB

english, 2018

12

Explicit Permittivity Determination of Medium-Loss Materials from Calibration-Independent Measurements

Hasar, Ugur Cem

Journal:

IEEE Sensors Journal

Year:

2016

Language:

english

File:

PDF, 1.42 MB

english, 2016

13

[IEEE 2016 International Conference for Students on Applied Engineering (ICSAE) - Newcastle upon Tyne, United Kingdom (2016.10.20-2016.10.21)] 2016 International Conference for Students on Applied Engineering (ISCAE) - Analyzing coupling effect of adjacent resonating metamaterial slabs

Bute, Musa, Hasar, Ugur Cem

Year:

2016

Language:

english

File:

PDF, 1.23 MB

english, 2016

14

A New Microwave Method for Electrical Characterization of Low-Loss Materials

Hasar, Ugur Cem

Journal:

IEEE Microwave and Wireless Components Letters

Year:

2009

Language:

english

File:

PDF, 256 KB

english, 2009

15

[IEEE 2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC) - Aguas de Lindoia (2017.8.27-2017.8.30)] 2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC) - Retrieval of electromagnetic properties of metamaterials with weak-coupling

Hasar, Ugur Cem, Buldu, Gul, Barroso, Joaquim Jose

Year:

2017

Language:

english

File:

PDF, 171 KB

english, 2017

16

APPLICATION OF A USEFUL UNCERTAINTY ANALYSIS AS A METRIC TOOL FOR ASSESSING THE PERFORMANCE OF ELECTROMAGNETIC PROPERTIES RETRIEVAL METHODS OF BIANISOTROPIC METAMATERIALS

Hasar, Ugur Cem, Barroso, Joaquim J., Ertugrul, Mehmet, Sabah, Cumali, Cavusoglu, Bulent

Journal:

Progress In Electromagnetics Research

Year:

2012

Language:

english

File:

PDF, 487 KB

english, 2012

17

Application of the Singular Spectrum Analysis Technique for Phase Constant Determination of Symmetric Reflecting and Nonreflecting Lines

Hasar, Ugur Cem, Ince, Taner, Bute, Musa

Journal:

IEEE Transactions on Electromagnetic Compatibility

Year:

2019

Language:

english

File:

PDF, 2.12 MB

english, 2019

18

Boundary Effects on the Determination of Electromagnetic Properties of Bi-anisotropic Metamaterials from Scattering Parameters

Hasar, Ugur Cem, Barroso, Joaquim J., Bute, Musa, Muratoglu, Abdurrahim, Ertugrul, Mehmet

Journal:

IEEE Transactions on Antennas and Propagation

Year:

2016

Language:

english

File:

PDF, 858 KB

english, 2016

19

Resolving Phase Ambiguity in the Inverse Problem of Transmission /Reflection Measurement Methods

Joaquim J. Barroso, Ugur Cem Hasar

Journal:

Journal of Infrared, Millimeter and Terahertz Waves

Year:

2011

Language:

english

File:

PDF, 361 KB

english, 2011

20

Effective Constitutive Parameters Retrieval Method for Bianisotropic Metamaterials Using Waveguide Measurements

Hasar, Ugur Cem, Muratoglu, Abdurrahim, Bute, Musa, Barroso, Joaquim Jose, Ertugrul, Mehmet

Journal:

IEEE Transactions on Microwave Theory and Techniques

Year:

2017

Language:

english

File:

PDF, 2.76 MB

english, 2017

21

[IEEE 2016 IEEE Middle East Conference on Antennas and Propagation (MECAP) - Beirut, Lebanon (2016.9.20-2016.9.22)] 2016 IEEE Middle East Conference on Antennas and Propagation (MECAP) - Thickness-invariant permittivity determination of materials from calibration-independent measurements

Bute, Musa, Hasar, Ugur Cem

Year:

2016

Language:

english

File:

PDF, 453 KB

english, 2016

22

A microwave method based on amplitude-only reflection measurements for permittivity determination of low-loss materials

Ugur Cem Hasar, Mustafa Tolga Yurtcan

Journal:

Year:

2010

Language:

english

File:

PDF, 429 KB

english, 2010

23

Reference-Plane-Invariant Effective Thickness and Electromagnetic Property Determination of Isotropic Metamaterials Involving Boundary Effects

Hasar, Ugur Cem, Barroso, Joaquim Jose, Buldu, Gul, Bute, Musa, Kaya, Yunus, Karacali, Tevhit, Ertugrul, Mehmet

Journal:

IEEE Journal of Selected Topics in Quantum Electronics

Year:

2015

Language:

english

File:

PDF, 1.89 MB

english, 2015

24

Investigation of transmitted, reflected, and absorbed powers of periodic and aperiodic multilayered structures composed of bi-anisotropic metamaterial slab and conventional material

Hasar, Ugur Cem, Barroso, Joaquim José, Kaya, Yunus, Karacali, Tehvit, Ertugrul, Mehmet

Journal:

Photonics and Nanostructures - Fundamentals and Applications

Year:

2015

Language:

english

File:

PDF, 2.59 MB

english, 2015

25

THICKNESS-INDEPENDENT AUTOMATED CONSTITUTIVE PARAMETERS EXTRACTION OF THIN SOLID AND LIQUID MATERIALS FROM WAVEGUIDE MEASUREMENTS

Hasar, Ugur Cem

Journal:

Progress In Electromagnetics Research

Year:

2009

Language:

english

File:

PDF, 246 KB

english, 2009

26

Structural and optical properties of RF sputtered ZnO thin films: Annealing effect

Sener, Emre, Bayram, Ozkan, Hasar, Ugur Cem, Simsek, Onder

Journal:

Physica B: Condensed Matter

Year:

2020

File:

PDF, 788 KB

2020

27

[IEEE 2006 IEEE Instrumentation and Measurement Technology - Sorrento, Italy (2006.04.24-2006.04.27)] 2006 IEEE Instrumentation and Measurement Technology Conference Proceedings - Far-Field Microcontroller Based Automated Microwave Measurement System for Characterization of Dielectric Permittivity of High-Loss Materials

Hasar, Ugur Cem

Year:

2006

Language:

english

File:

PDF, 260 KB

english, 2006

28

Noniterative complex permittivity retrieval using calibration-independent waveguide measurements

Hasar, Ugur Cem, Kaya, Yunus

Journal:

Sensors and Actuators A: Physical

Year:

2017

Language:

english

File:

PDF, 2.03 MB

english, 2017

29

MICROWAVE METHOD FOR THICKNESS-INDEPENDENT PERMITTIVITY EXTRACTION OF LOW-LOSS DIELECTRIC MATERIALS FROM TRANSMISSION MEASUREMENTS

Hasar, Ugur Cem

Journal:

Progress In Electromagnetics Research

Year:

2010

Language:

english

File:

PDF, 286 KB

english, 2010

30

PERMITTIVITY MEASUREMENT OF THIN DIELECTRIC MATERIALS FROM REFLECTION-ONLY MEASUREMENTS USING ONE-PORT VECTOR NETWORK ANALYZERS

Hasar, Ugur Cem

Journal:

Progress In Electromagnetics Research

Year:

2009

Language:

english

File:

PDF, 2.34 MB

english, 2009

31

UNIQUE PERMITTIVITY DETERMINATION OF LOW-LOSS DIELECTRIC MATERIALS FROM TRANSMISSION MEASUREMENTS AT MICROWAVE FREQUENCIES

Hasar, Ugur Cem

Journal:

Progress In Electromagnetics Research

Year:

2010

File:

PDF, 629 KB

2010

32

[IEEE 2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC) - Aguas de Lindoia (2017.8.27-2017.8.30)] 2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC) - Optical constant and thickness determination using THz time-domain reflection-only signals

Haffar, Salah, Hasar, Ugur Cem, Barroso, Joaquim Jose

Year:

2017

Language:

english

File:

PDF, 155 KB

english, 2017

33

AN ACCURATE COMPLEX PERMITTIVITY METHOD FOR THIN DIELECTRIC MATERIALS

Hasar, Ugur Cem, Simsek, O.

Journal:

Progress In Electromagnetics Research

Year:

2009

Language:

english

File:

PDF, 338 KB

english, 2009

34

RESOLVING PHASE AMBIGUITY IN THE INVERSE PROBLEM OF REFLECTION-ONLY MEASUREMENT METHODS

Hasar, Ugur Cem, Barroso, Joaquim J., Sabah, Cumali, Kaya, Yunus

Journal:

Progress In Electromagnetics Research

Year:

2012

Language:

english

File:

PDF, 419 KB

english, 2012

35

Attractive method for thickness-independent permittivity measurements of solid dielectric materials

Hasar, Ugur Cem, Barroso, Joaquim José, Bute, Musa, Kaya, Yunus, Kocadagistan, Mustafa Engin, Ertugrul, Mehmet

Journal:

Sensors and Actuators A: Physical

Year:

2014

Language:

english

File:

PDF, 1.75 MB

english, 2014

36

Self-Calibrating Noniterative Complex Permittivity Extraction of Thin Dielectric Samples

Hasar, Ugur Cem, Kaya, Yunus

Journal:

IEEE Transactions on Electromagnetic Compatibility

Year:

2017

Language:

english

File:

PDF, 920 KB

english, 2017

37

Propagation Constant Measurements of Reflection-Asymmetric and Nonreciprocal Microwave Networks From S-parameters Without Using a Reflective Standard

Hasar, Ugur Cem, Kaya, Yunus, Ozturk, Gokhan, Ertugrul, Mehmet

Journal:

Year:

2020

File:

PDF, 3.12 MB

2020

38

Novel Design of Porous Silicon Based Sensor for Reliable and Feasible Chemical Gas Vapor Detection

Karacali, Tevhit, Hasar, Ugur Cem, Ozbek, Ibrahim Yucel, Oral, Emin Argun, Efeoglu, Hasan

Journal:

Journal of Lightwave Technology

Year:

2013

Language:

english

File:

PDF, 1.30 MB

english, 2013

39

A SIMPLE APPROACH FOR EVALUATING THE RECIPROCITY OF MATERIALS WITHOUT USING ANY CALIBRATION STANDARD

Hasar, Ugur Cem, Simsek, O.

Journal:

Progress In Electromagnetics Research

Year:

2009

Language:

english

File:

PDF, 198 KB

english, 2009

40

A NEW METHOD FOR EVALUATION OF THICKNESS AND MONITORING ITS VARIATION OF MEDIUM- AND LOW-LOSS MATERIALS

Hasar, Ugur Cem

Journal:

Progress In Electromagnetics Research

Year:

2009

File:

PDF, 945 KB

2009

41

Free-Space Nondestructive Characterization of Young Mortar Samples

Hasar, Ugur Cem

Journal:

Journal of Materials in Civil Engineering

Year:

2007

Language:

english

File:

PDF, 172 KB

english, 2007

42

[IEEE 2017 25th Signal Processing and Communications Applications Conference (SIU) - Antalya, Turkey (2017.5.15-2017.5.18)] 2017 25th Signal Processing and Communications Applications Conference (SIU) - New approaches for enhancements on transmission of electromagnetic signals

Bute, Musa, Hasar, Ugur Cem, Muratoglu, Abdurrahim

Year:

2017

Language:

turkish

File:

PDF, 357 KB

turkish, 2017

43

ON THE APPLICATION OF MICROWAVE CALIBRATION-INDEPENDENT MEASUREMENTS FOR NONINVASIVE THICKNESS EVALUATION OF MEDIUM- OR LOW-LOSS SOLID MATERIALS

Hasar, Ugur Cem, Simsek, O.

Journal:

Progress In Electromagnetics Research

Year:

2009

Language:

english

File:

PDF, 179 KB

english, 2009

44

[IEEE 2015 IEEE Regional Symposium on Micro and Nanoelectronics (RSM) - Kuala Terengganu, Malaysia (2015.8.19-2015.8.21)] 2015 IEEE Regional Symposium on Micro and Nanoelectronics (RSM) - Fabrication of superconducting YBCO microwave microstrip resonators

Ertugrul, Mehmet, Aras, Gonca, Hasar, Ugur Cem, Yurtcan, M. Tolga, Sonmez, Erdal, Simsek, Onder

Year:

2015

Language:

english

File:

PDF, 668 KB

english, 2015

45

A METRIC FUNCTION FOR FAST AND ACCURATE PERMITTIVITY DETERMINATION OF LOW-TO-HIGH-LOSS MATERIALS FROM REFLECTION MEASUREMENTS

Hasar, Ugur Cem, Oral, Emin Argun

Journal:

Progress In Electromagnetics Research

Year:

2010

File:

PDF, 199 KB

2010

46

Reference-plane invariant transmission-reflection method for measurement of constitutive parameters of liquid materials

Hasar, Ugur Cem, Barroso, Joaquim José, Kaya, Yunus, Ertugrul, Mehmet, Bute, Musa

Journal:

Sensors and Actuators A: Physical

Year:

2013

Language:

english

File:

PDF, 736 KB

english, 2013

47

Scattering parameter analysis of cascaded bi-anisotropic metamaterials

Hasar, Ugur Cem, Barroso, Joaquim José

Journal:

Optics Communications

Year:

2015

Language:

english

File:

PDF, 1.12 MB

english, 2015

48

Differential uncertainty analysis for evaluating the accuracy of S-parameter retrieval methods for electromagnetic properties of metamaterial slabs

Hasar, Ugur Cem, Barroso, Joaquim J., Sabah, Cumali, Kaya, Yunus, Ertugrul, Mehmet

Journal:

Year:

2012

Language:

english

File:

PDF, 2.79 MB

english, 2012

49

Determination of Effective Constitutive Parameters of Inhomogeneous Metamaterials With Bianisotropy

Hasar, Ugur Cem, Buldu, Gul, Kaya, Yunus, Ozturk, Gokhan

Journal:

IEEE Transactions on Microwave Theory and Techniques

Year:

2018

Language:

english

File:

PDF, 2.84 MB

english, 2018

50

Two-step numerical procedure for complex permittivity retrieval of dielectric materials from reflection measurements

Hasar, Ugur Cem, Barroso, Joaquim José, Kaya, Yunus, Ertugrul, Mehmet, Bute, Musa, Catalá-Civera, José M.

Journal:

Applied Physics A: Materials Science & Processing

Year:

2014

Language:

english

File:

PDF, 923 KB

english, 2014

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