Transceiver array development for submillimeter-wave imaging radars

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

doi:10.1117/12.2014776

31 May 2013 Transceiver array development for submillimeter-wave imaging radars

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

Author Affiliations +

Proceedings Volume 8715, Passive and Active Millimeter-Wave Imaging XVI; 87150A (2013) https://doi.org/10.1117/12.2014776
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

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.

Citation Download Citation

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, and Imran Mehdi "Transceiver array development for submillimeter-wave imaging radars", Proc. SPIE 8715, Passive and Active Millimeter-Wave Imaging XVI, 87150A (31 May 2013); https://doi.org/10.1117/12.2014776

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