Georgios Trichopoulos

Asst Professor

  • 239 Citations
  • 6 h-Index
20052024
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Research Output 2005 2019

  • 239 Citations
  • 6 h-Index
  • 42 Conference contribution
  • 14 Article
2019

A Novel Fingerprint Scanning Method Using Terahertz Imaging

Theofanopoulos, P. C. & Trichopoulos, G., Jan 10 2019, 2018 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, APSURSI 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 2463-2464 2 p. 8608832. (2018 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, APSURSI 2018 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

biometrics
spatial resolution
gloves
Scanning
Imaging techniques

A Quasi-Optical Testbed for Wideband THz On-Wafer Measurements

Cui, Y. & Trichopoulos, G., Jan 1 2019, (Accepted/In press) In : IEEE Transactions on Terahertz Science and Technology.

Research output: Contribution to journalArticle

Testbeds
Topology
wafers
broadband
Directional couplers

Around the Corner Terahertz Radar Imaging Exploiting Diffusion Scattering

Doddalla, S. & Trichopoulos, G., Jan 10 2019, 2018 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, APSURSI 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 231-232 2 p. 8608209. (2018 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, APSURSI 2018 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

imaging radar
Radar imaging
Scattering
Imaging techniques
specular reflection

High-yield fabrication method for high-frequency graphene devices using titanium sacrificial layers

Theofanopoulos, P. C., Ageno, S., Guo, Y., Kale, S., Wang, Q. & Trichopoulos, G., Jul 1 2019, In : Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics. 37, 4, 041801.

Research output: Contribution to journalArticle

Graphite
Titanium
Graphene
graphene
titanium

Leveraging mmWave Imaging and Communications for Simultaneous Localization and Mapping

Aladsani, M., Alkhateeb, A. & Trichopoulos, G. C., May 1 2019, 2019 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 4539-4543 5 p. 8682741. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; vol. 2019-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antenna arrays
Millimeter waves
Imaging techniques
Communication
Merging

Multistatic Terahertz Imaging Using the Radon Transform

Theofanopoulos, P. C., Sakr, M. & Trichopoulos, G., Jan 1 2019, (Accepted/In press) In : IEEE Transactions on Antennas and Propagation.

Research output: Contribution to journalArticle

Radon
Mathematical transformations
Imaging techniques
Antenna arrays
Millimeter waves

On-Wafer Graphene Devices for THz Applications Using a High-Yield Fabrication Process

Theofanopoulos, P. C. & Trichopoulos, G., Jun 1 2019, 2019 IEEE MTT-S International Microwave Symposium, IMS 2019. Institute of Electrical and Electronics Engineers Inc., p. 1107-1110 4 p. 8701093. (IEEE MTT-S International Microwave Symposium Digest; vol. 2019-June).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Graphene
graphene
wafers
Fabrication
fabrication
4 Citations (Scopus)

Wireless communications and applications above 100 GHz: Opportunities and challenges for 6g and beyond

Rappaport, T. S., Xing, Y., Kanhere, O., Ju, S., Madanayake, A., Mandal, S., Alkhateeb, A. & Trichopoulos, G., Jan 1 2019, In : IEEE Access. 7, p. 78729-78757 29 p., 8732419.

Research output: Contribution to journalArticle

Open Access
Communication
Signal processing
Imaging techniques
Smart antennas
Array processing
2018

A Terahertz Microscopy Technique for Sweat Duct Detection

Theofanopoulos, P. C. & Trichopoulos, G., Aug 17 2018, Proceedings of the 2018 IEEE/MTT-S International Microwave Symposium, IMS 2018. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-June. p. 864-867 4 p. 8439158

Research output: Chapter in Book/Report/Conference proceedingConference contribution

sweat
ducts
Ducts
Skin
Microscopic examination

Hybrid Electromagnetic Modeling of Lens-Integrated Antennas for Non-Contact On-Wafer Characterization of THz Devices and Integrated Circuits

Caglayan, C., Trichopoulos, G. & Sertel, K., Jan 1 2018, Applied Computational Electromagnetics Society Newsletter, 33, 1, p. 107-110 4 p.

Research output: Contribution to specialist publicationArticle

integrated circuits
Integrated circuits
Lenses
antennas
lenses
2 Citations (Scopus)

Non-Line of Sight Terahert Imaging from a Single Viewpoint

Doddalla, S. K. & Trichopoulos, G., Aug 17 2018, Proceedings of the 2018 IEEE/MTT-S International Microwave Symposium, IMS 2018. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-June. p. 1527-1529 3 p. 8439239

Research output: Chapter in Book/Report/Conference proceedingConference contribution

visual perception
Imaging techniques
Terahertz waves
scattering
mirrors
2017
1 Citation (Scopus)

A novel THz radar imaging system using the radon transform

Theofanopoulos, P. C. & Trichopoulos, G., Oct 18 2017, 2017 IEEE Antennas and Propagation Society International Symposium, Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 1513-1514 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

imaging radar
Radar imaging
Radon
radon
Imaging systems
3 Citations (Scopus)

Modeling of mmW and THz Imaging Systems Using Conjugate Field Coupling

Theofanopoulos, P. C. & Trichopoulos, G., Dec 5 2017, (Accepted/In press) In : IEEE Antennas and Wireless Propagation Letters.

Research output: Contribution to journalArticle

Imaging systems
Sensors
Millimeter waves
Scanning
Imaging techniques
2 Citations (Scopus)

Toward a terahertz quasi-optical vector network analyzer

Cui, Y. & Trichopoulos, G., Oct 18 2017, 2017 IEEE Antennas and Propagation Society International Symposium, Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 1511-1512 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric network analyzers
analyzers
topology
Topology
Directional couplers
2016
3 Citations (Scopus)

Investigation of Nonreciprocal Dispersion Phenomena in Anisotropic Periodic Structures Based on a Curvilinear FDFD Method

Theofanopoulos, P. C., Lavranos, C. S., Zoiros, K. E., Trichopoulos, G., Granet, G. & Kyriacou, G. A., Oct 26 2016, (Accepted/In press) In : IEEE Transactions on Microwave Theory and Techniques.

Research output: Contribution to journalArticle

Periodic structures
Brillouin zones
propagation
ferrites
Ferrite
13 Citations (Scopus)

Lumped-Element Equivalent-Circuit Modeling of Millimeter-Wave HEMT Parasitics Through Full-Wave Electromagnetic Analysis

Karisan, Y., Caglayan, C., Trichopoulos, G. & Sertel, K., Apr 20 2016, (Accepted/In press) In : IEEE Transactions on Microwave Theory and Techniques.

Research output: Contribution to journalArticle

High electron mobility transistors
high electron mobility transistors
equivalent circuits
Millimeter waves
Equivalent circuits

Sub-millimeter wave low-profile imaging modules (SLIMs)

Trichopoulos, G., Oct 25 2016, 2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 251-252 2 p. 7695834

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Submillimeter waves
submillimeter waves
modules
Imaging techniques
profiles
2015
5 Citations (Scopus)

Broadband Terahertz Computed Tomography Using a 5k-pixel Real-time THz Camera

Trichopoulos, G. & Sertel, K., Jul 5 2015, In : Journal of Infrared, Millimeter, and Terahertz Waves. 36, 7, p. 675-686 12 p.

Research output: Contribution to journalArticle

Tomography
tomography
Pixels
Cameras
pixels
2 Citations (Scopus)

Distributed modeling of submillimeter-wave HEMT parasitics based on full-wave electromagnetic analysis

Karisan, Y., Caglayan, C., Trichopoulos, G. & Sertel, K., Jul 24 2015, 2015 IEEE MTT-S International Microwave Symposium, IMS 2015. Institute of Electrical and Electronics Engineers Inc., 7167126

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Submillimeter waves
High electron mobility transistors
Electromagnetic waves
Frequency response
Parameter extraction
1 Citation (Scopus)

Full-wave electromagnetic modeling of sub-millimeter wave HEMT parasitics

Karisan, Y., Caglayan, C., Trichopoulos, G. & Sertel, K., Jul 17 2015, 85th ARFTG Microwave Measurement Conference: Measurements and Techniques for 5G Applications, ARFTG 2015. Institute of Electrical and Electronics Engineers Inc., 7162904

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Submillimeter waves
High electron mobility transistors
Electromagnetic waves
Frequency response
Parameter extraction

Lumped-element modeling of millimeter-wave HEMT parasitics via full-wave electromagnetic analysis

Karisan, Y., Caglayan, C., Trichopoulos, G. & Sertel, K., Sep 2 2015, 2015 Computational Electromagnetics International Workshop, CEM 2015. Institute of Electrical and Electronics Engineers Inc., p. 48-49 2 p. 7237434

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Millimeter Wave
High electron mobility transistors
Electromagnetic Wave
Millimeter waves
Electromagnetic waves
1 Citation (Scopus)

Lumped-Element Modeling of Millimeter-Wave HEMT Parasitics via Full-Wave Electromagnetic Analysis

Karisan, Y., Caglayan, C., Trichopoulos, G. & Sertel, K., Oct 30 2015, 2015 IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2015. Institute of Electrical and Electronics Engineers Inc., 7314514

Research output: Chapter in Book/Report/Conference proceedingConference contribution

High electron mobility transistors
Millimeter waves
Equivalent circuits
Electromagnetic waves
Coplanar waveguides
3 Citations (Scopus)

Polarimetric terahertz probe for endoscopic assessment of malignancies

Trichopoulos, G. & Sertel, K., Oct 22 2015, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). Institute of Electrical and Electronics Engineers Inc., Vol. 2015-October. p. 730-731 2 p. 7304752

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tissue
Endoscopy
Sensors
Industry
2 Citations (Scopus)

Repeatability performance of non-contact probes in the 500-750GHz band

Caglayan, C., Trichopoulos, G. & Sertel, K., Jul 17 2015, 85th ARFTG Microwave Measurement Conference: Measurements and Techniques for 5G Applications, ARFTG 2015. Institute of Electrical and Electronics Engineers Inc., 7162909

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Servomechanisms
Integrated circuits
Calibration

THz on-wafer calibration using offset-shorts and known through as standards

Caglayan, C., Trichopoulos, G. & Sertel, K., Feb 19 2015, National Aerospace and Electronics Conference, Proceedings of the IEEE. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-February. p. 308-309 2 p. 7045823

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Calibration
Submillimeter waves
Millimeter waves
2014
1 Citation (Scopus)

Accuracy and repeatability of automated non-contact probes for on-wafer characterization

Caglayan, C., Trichopoulos, G. & Sertel, K., Jan 16 2014, 84th ARFTG Microwave Measurement Conference: The New Frontiers for Microwave Measurements, ARFTG 2014. Institute of Electrical and Electronics Engineers Inc., 7013406

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Servomechanisms
Force control
Manipulators
Calibration
2 Citations (Scopus)

Design considerations and performance metrics of a high-sensitivity multi-band terahertz linear camera

Law, J. J. M., Roedig, C. A., Burdette, D. J., Sertel, K., Trichopoulos, G., Xie, Y., Fay, P. & Mosbacker, H. L., Nov 13 2014, 2014 39th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2014. IEEE Computer Society, 6956033

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cameras
Thermal noise
Focal plane arrays
Digital to analog conversion
Digital signal processing

Initial results of a real-time, quad-frequency, polarization-sensitive THz line camera

Roedig, C. A., Burdette, D. J., Law, J. J., Trichopoulos, G., Sertel, K. & Mosbacker, H. L., 2014, Proceedings of SPIE - The International Society for Optical Engineering. SPIE, Vol. 9102. 910205

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Frequency bands
readout
Polarization
antennas
Camera

Limited angle THz computed tomography for tissue imaging

Trichopoulos, G. & Sertel, K., Oct 16 2014, 2014 United States National Committee of URSI National Radio Science Meeting, USNC-URSI NRSM 2014. Institute of Electrical and Electronics Engineers Inc., 6928147

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tomography
Tissue
Imaging techniques
Skin
X rays
1 Citation (Scopus)

Non-contact device and integrated circuit characterization in the G-Band (140-220 GHz)

Caglayan, C., Trichopoulos, G. & Sertel, K., Sep 18 2014, 2014 IEEE Antennas and Propagation Society International Symposium(APSURSI). Institute of Electrical and Electronics Engineers Inc., p. 295-296 2 p. 6904479

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Integrated circuits
Millimeter waves
Wear of materials
Calibration
Costs
5 Citations (Scopus)

Non-contact probes for device and integrated circuit characterization in the THz and mmW bands

Caglayan, C., Trichopoulos, G. & Sertel, K., 2014, IEEE MTT-S International Microwave Symposium Digest. Institute of Electrical and Electronics Engineers Inc., 6848606

Research output: Chapter in Book/Report/Conference proceedingConference contribution

integrated circuits
Integrated circuits
Electric network analyzers
probes
Coplanar waveguides
25 Citations (Scopus)

Non-contact probes for on-wafer characterization of sub-millimeter-wave devices and integrated circuits

Caglayan, C., Trichopoulos, G. & Sertel, K., Nov 1 2014, In : IEEE Transactions on Microwave Theory and Techniques. 62, 11, p. 2791-2801 11 p., 6901300.

Research output: Contribution to journalArticle

Millimeter wave devices
Submillimeter waves
submillimeter waves
Electric network analyzers
integrated circuits
2013
77 Citations (Scopus)

A broadband focal plane array camera for real-time thz imaging applications

Trichopoulos, G., Mosbacker, H. L., Burdette, D. & Sertel, K., 2013, In : IEEE Transactions on Antennas and Propagation. 61, 4, p. 1733-1740 8 p., 6420898.

Research output: Contribution to journalArticle

Focal plane arrays
focal plane devices
Pixels
Cameras
pixels

A large-format focal plane array for rapid THz computed tomography

Trichopoulos, G. & Sertel, K., 2013, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). p. 2269-2270 2 p. 6711793

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Focal plane arrays
Tomography
Pixels
Imaging techniques
Slot antennas

Hybrid electromagnetic modeling of non-contact probes for terahertz device characterization

Trichopoulos, G., Caglayan, C. & Sertel, K., 2013, 2013 Computational Electromagnetics Workshop, CEM 2013. p. 52-53 2 p. 6617131

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antennas
Lenses
Electric network analyzers
Coplanar waveguides
Method of moments
1 Citation (Scopus)

Hybrid electromagnetic modeling of non-contact probes for terahertz device characterization

Trichopoulos, G., Caglayan, C. & Sertel, K., 2013, CEM 2013 - Computational Electromagnetics International Workshop. p. 52-53 2 p. 6617131

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antennas
Lenses
Electric network analyzers
Coplanar waveguides
Method of moments

Non-contact probe calibration for THz-frequency device characterization

Caglayan, C., Trichopoulos, G. & Sertel, K., 2013, 82nd ARFTG Microwave Measurement Conference: Characterization, Modeling, and Design of RF and mm-Wave Devices and Circuits, ARFTG 2013. 6737357

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Calibration
Electric network analyzers
Coplanar waveguides
Scattering parameters
Measurement errors

Non-contact THz probes for on-chip device and IC characterization

Trichopoulos, G., Topalli, K. & Sertel, K., 2013, National Aerospace and Electronics Conference, Proceedings of the IEEE. p. 34-35 2 p. 6531023

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antennas
Horn antennas
Electric network analyzers
Coplanar waveguides
Semiconductor devices
5 Citations (Scopus)

On-wafer device characterization with non-contact probes in the THz band

Caglayan, C., Trichopoulos, G. & Sertel, K., 2013, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). p. 1134-1135 2 p. 6711227

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Calibration
Antennas
Electric network analyzers
Bandwidth

THz imaging performance of a broadband 80×64 focal plane array

Trichopoulos, G. & Sertel, K., 2013, National Aerospace and Electronics Conference, Proceedings of the IEEE. p. 36-37 2 p. 6531024

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Focal plane arrays
Imaging techniques
Sensors
Image acquisition
Image resolution
2012
5 Citations (Scopus)

An indirect impedance characterization method for monolithic THz antennas using coplanar probe measurements

Topalli, K., Trichopoulos, G. & Sertel, K., 2012, In : IEEE Antennas and Wireless Propagation Letters. 11, p. 3-5 3 p., 6111241.

Research output: Contribution to journalArticle

Antennas
Heterojunctions
Diodes
Geometry

Non-contact probes for THz circuits and integrated devices

Topalli, K., Trichopoulos, G. & Sertel, K., 2012, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 6348500

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antenna feeders
Antennas
Networks (circuits)
Horn antennas
Electric network analyzers
1 Citation (Scopus)

Quasi-optical imaging performance of THz focal plane array antennas

Trichopoulos, G. & Sertel, K., 2012, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 6349128

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Focal plane arrays
Antennas
Imaging techniques
Lenses
Microscopes

Recent experimental results of a large format 80x64 pixel THz camera sensitive to 0.6-1.2 THz radiation

Burdette, D., Roedig, C., Alverbro, J., Fay, P., Sertel, K., Ni, Y., Trichopoulos, G., Topalli, K. & Lee Mosbacker, H., 2012, Optics InfoBase Conference Papers.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

format
Pixels
Cameras
pixels
cameras
2011
1 Citation (Scopus)

An indirect impedance characterization method for monolithic double-slot antennas for THz sensors

Topalli, K., Trichopoulos, G. & Sertel, K., 2011, 2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011. 6050341

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Slot antennas
Sensors
Antennas
Diodes
Scattering parameters
2 Citations (Scopus)

An indirect impedance characterization method for monolithic THz antennas

Topalli, K., Trichopoulos, G. & Sertel, K., 2011, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). p. 1882-1884 3 p. 5996866

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Diodes
Antennas
Detectors
Wavelength
1 Citation (Scopus)

A THz camera for real-time imaging applications

Trichopoulos, G., Topalli, K., Mosbacker, H. L. & Sertel, K., 2011, National Aerospace and Electronics Conference, Proceedings of the IEEE. p. 11-12 2 p. 6183069

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cameras
Imaging techniques
Antennas
Focal plane arrays
Image acquisition

Design and characterization of a broadband focal plane array for THz imaging

Topalli, K., Trichopoulos, G. & Sertel, K., 2011, National Aerospace and Electronics Conference, Proceedings of the IEEE. p. 9-10 2 p. 6183068

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Focal plane arrays
Antennas
Imaging techniques
Pixels
Diodes
10 Citations (Scopus)

Development of an 80 × 64 pixel, broadband, real-time THz imager

Burdette, D. J., Alverbro, J., Zhang, Z., Fay, P., Ni, Y., Potet, P., Sertel, K., Trichopoulos, G., Topalli, K., Volakis, J. & Lee Mosbacker, H., 2011, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8023. 80230F

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Imager
Image sensors
Broadband
Pixel
Pixels
6 Citations (Scopus)

Imaging performance of a THz focal plane array

Trichopoulos, G., Topalli, K. & Sertel, K., 2011, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). p. 134-136 3 p. 5996659

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Focal plane arrays
Antennas
Imaging techniques
Diodes
Pixels