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Proceedings Paper

Radiometer-on-a-chip: a path toward super-compact submillimeter-wave imaging arrays
Author(s): Imran Mehdi; Bertrand Thomas; Choonsup Lee; Goutam Chattopadhyay; Robert Lin; Erich Schlecht; Alex Peralta; John Gill; Ken Cooper; Nuria Llombart; Peter Siegel
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Paper Abstract

A novel approach for submillimeter-wave heterodyne imaging arrays is presented in this paper. By utilizing diverse technologies such as GaAs membrane based terahertz diodes, wafer bonding, bulk Si micromachining, micro-lens optics, and CMOS 3-D chip architectures, a super-compact low-mass submillimeter-wave imaging array is envisioned. A fourwafer based silicon block for a working W-band power amplifier MMIC is demonstrated. This module drastically reduces mass and volume associated with metal block implementations without sacrificing performance. A path towards super compact array receivers in the 500-600 GHz range is described in detail.

Paper Details

Date Published: 26 April 2010
PDF: 9 pages
Proc. SPIE 7671, Terahertz Physics, Devices, and Systems IV: Advanced Applications in Industry and Defense, 767105 (26 April 2010); doi: 10.1117/12.850229
Show Author Affiliations
Imran Mehdi, Jet Propulsion Lab. (United States)
Bertrand Thomas, Jet Propulsion Lab. (United States)
Choonsup Lee, Jet Propulsion Lab. (United States)
Goutam Chattopadhyay, Jet Propulsion Lab. (United States)
Robert Lin, Jet Propulsion Lab. (United States)
Erich Schlecht, Jet Propulsion Lab. (United States)
Alex Peralta, Jet Propulsion Lab. (United States)
John Gill, Jet Propulsion Lab. (United States)
Ken Cooper, Jet Propulsion Lab. (United States)
Nuria Llombart, Jet Propulsion Lab. (United States)
Peter Siegel, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 7671:
Terahertz Physics, Devices, and Systems IV: Advanced Applications in Industry and Defense
Mehdi Anwar; Nibir K. Dhar; Thomas W. Crowe, Editor(s)

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