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Proceedings Paper

Transceiver array development for submillimeter-wave imaging radars
Author(s): Ken B. Cooper; Theodore A. Reck; Cecile Jung-Kubiak; Choonsup Lee; Jose V. Siles; Robert H. Lin; Alejandro Peralta; Emmanuel Decrossas; Erich T. Schlecht; Goutam Chattopadhyay; Imran Mehdi
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Paper Abstract

The Jet Propulsion Laboratory (JPL) is developing compact transceiver arrays housing discrete GaAs Schottky diodes with integrated waveguides in order to increase the frame rate and lower the cost of active submillimeter-wave imaging radar systems. As part of this effort, high performance diode frequency multiplier and mixer devices optimized for a 30 GHz bandwidth centered near 340 GHz have been fabricated using JPL’s MoMeD process. A two-element array unit cell was designed using a layered architecture with three-dimensional waveguide routing for maximum scalability to multiple array elements. Prototype two-element arrays have been built using both conventionally machined metal blocks as well as gold-plated micromachined silicon substrates. Preliminary performance characterization has been accomplished in terms of transmit power, and conversion loss, and promising 3D radar images of concealed weapons have been acquired using the array.

Paper Details

Date Published: 31 May 2013
PDF: 8 pages
Proc. SPIE 8715, Passive and Active Millimeter-Wave Imaging XVI, 87150A (31 May 2013); doi: 10.1117/12.2014776
Show Author Affiliations
Ken B. Cooper, Jet Propulsion Lab. (United States)
Theodore A. Reck, Jet Propulsion Lab. (United States)
Cecile Jung-Kubiak, Jet Propulsion Lab. (United States)
Choonsup Lee, Jet Propulsion Lab. (United States)
Jose V. Siles, Jet Propulsion Lab. (United States)
Robert H. Lin, Jet Propulsion Lab. (United States)
Alejandro Peralta, Jet Propulsion Lab. (United States)
Emmanuel Decrossas, Jet Propulsion Lab. (United States)
Erich T. Schlecht, Jet Propulsion Lab. (United States)
Goutam Chattopadhyay, Jet Propulsion Lab. (United States)
Imran Mehdi, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 8715:
Passive and Active Millimeter-Wave Imaging XVI
David A. Wikner; Arttu R. Luukanen, Editor(s)

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