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Paper 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.

Paper Details

Date Published: 21 May 2014
PDF: 7 pages
Proc. SPIE 9102, Terahertz Physics, Devices, and Systems VIII: Advanced Applications in Industry and Defense, 91020Q (21 May 2014); doi: 10.1117/12.2050906
Show Author Affiliations
Andrew P. Sacco, Exelis Geospatial Systems (United States)
J. Daniel Newman, Exelis Geospatial Systems (United States)
Paul P. K. Lee, Exelis Geospatial Systems (United States)
Univ. of Rochester (United States)
Kenneth D. Fourspring, Exelis Geospatial Systems (United States)
John H. Osborn, Exelis Geospatial Systems (United States)
Robert D. Fiete, Exelis Geospatial Systems (United States)
Mark F. Bocko, Univ. of Rochester (United States)
Zeljko Ignjatovic, Univ. of Rochester (United States)
Judith L. Pipher, Univ. of Rochester (United States)
Craig W. McMurtry, Univ. of Rochester (United States)
Xi-Cheng Zhang, Univ. of Rochester (United States)
Jagannath Dayalu, Univ. of Rochester (United States)
Gregory J. Fertig, Rochester Institute of Technology (United States)
Chao Zhang, Rochester Institute of Technology (United States)
Zoran Ninkov, Rochester Institute of Technology (United States)

Published in SPIE Proceedings Vol. 9102:
Terahertz Physics, Devices, and Systems VIII: Advanced Applications in Industry and Defense
Mehdi F. Anwar; Thomas W. Crowe; Tariq Manzur, Editor(s)

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