THz imaging Si MOSFET system design at 215 GHz

Andrew P. Sacco; J. Daniel Newman; Paul P. K. Lee; Kenneth D. Fourspring; John H. Osborn; Robert D. Fiete; Mark F. Bocko; Zeljko Ignjatovic; Judith L. Pipher; Craig W. McMurtry; Xi-Cheng Zhang; Jagannath Dayalu; Gregory J. Fertig; Chao Zhang; Zoran Ninkov

doi:10.1117/12.2050906

21 May 2014 THz imaging Si MOSFET system design at 215 GHz

Andrew P. Sacco, J. Daniel Newman, Paul P. K. Lee, Kenneth D. Fourspring, John H. Osborn, Robert D. Fiete, Mark F. Bocko, Zeljko Ignjatovic, Judith L. Pipher, Craig W. McMurtry, Xi-Cheng Zhang, Jagannath Dayalu, Gregory J. Fertig, Chao Zhang, Zoran Ninkov

Author Affiliations +

Proceedings Volume 9102, Terahertz Physics, Devices, and Systems VIII: Advanced Applications in Industry and Defense; 91020Q (2014) https://doi.org/10.1117/12.2050906
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

Exelis Geospatial Systems and its CEIS partners at the University of Rochester and Rochester Institute of Technology are developing an active THz imaging focal plane for use in standoff detection, molecular spectroscopy and penetration imaging. This activity is focused on the detection of radiation centered on the atmospheric window at 215.5 GHz. The pixel consists of a direct coupled bowtie antenna utilizing a 0.35 μm CMOS technology MOSFET, where the plasmonic effect is the principle method of detection. With an active THz illumination source such as a Gunn diode, a design of catadioptric optical system is presented to achieve a resolution of 3.0 mm at a standoff distance of 1.0 m. The primary value of the initial system development is to predict the optical performance of a THz focal plane for active imaging and to study the interaction of THz radiation with various materials.

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Andrew P. Sacco, J. Daniel Newman, Paul P. K. Lee, Kenneth D. Fourspring, John H. Osborn, Robert D. Fiete, Mark F. Bocko, Zeljko Ignjatovic, Judith L. Pipher, Craig W. McMurtry, Xi-Cheng Zhang, Jagannath Dayalu, Gregory J. Fertig, Chao Zhang, and Zoran Ninkov "THz imaging Si MOSFET system design at 215 GHz", Proc. SPIE 9102, Terahertz Physics, Devices, and Systems VIII: Advanced Applications in Industry and Defense, 91020Q (21 May 2014); https://doi.org/10.1117/12.2050906

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KEYWORDS

Antennas

Imaging systems

Terahertz radiation

Silicon

Sensors

Optical design

Field effect transistors

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