13 May 2015 Transmission imaging measurements at 188 GHz with 0.35μm CMOS technology
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Abstract
Exelis Geospatial Systems and its CEIS partners at the University of Rochester and Rochester Institute of Technology are developing an active THz imaging system for use in standoff detection, molecular spectroscopy and penetration imaging. The current activity is focused on developing a precision instrument for the detection of radiation centered on atmospheric windows between 200 GHz and 400 GHz (available sources). A transmission imager is developed by raster scanning through a semi-coherent non-ionizing beam, where the beam is incident on a NMOS FET detector. The primary goal of the initial system is to produce a setup capable of measuring responsivity and sensitivity of the detector. The Instrumentation covers the electromagnetic spectral range between 188 GHz and 7.0 THz. Transmission measurements are collected at 188 GHz in order to verify image formation, responsivity and sensitivity as well as demonstrate the active imager’s ability to make penetration images.
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Andrew P. Sacco, Andrew P. Sacco, J. Daniel Newman, J. Daniel Newman, Paul P. K. Lee, Paul P. K. Lee, Kenneth D. Fourspring, Kenneth D. Fourspring, John H. Osborn, John H. Osborn, Robert D. Fiete, Robert D. Fiete, Mark V. Bocko, Mark V. Bocko, Zeljko Ignjatovic, Zeljko Ignjatovic, Judith L. Pipher, Judith L. Pipher, Craig W. McMurtry, Craig W. McMurtry, Xi-Cheng Zhang, Xi-Cheng Zhang, Jagannath Dayalu, Jagannath Dayalu, Katherine Seery, Katherine Seery, Chao X. Zhang, Chao X. Zhang, Sahil Bhandari, Sahil Bhandari, Zoran Ninkov, Zoran Ninkov, "Transmission imaging measurements at 188 GHz with 0.35μm CMOS technology", Proc. SPIE 9483, Terahertz Physics, Devices, and Systems IX: Advanced Applications in Industry and Defense, 94830U (13 May 2015); doi: 10.1117/12.2178512; https://doi.org/10.1117/12.2178512
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