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Microphotonic thermal detectors and imagers
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Paper Abstract

We present the theory of operation along with detailed device designs and initial experimental results of a new class of uncooled thermal detectors. The detectors, termed microphotonic thermal detectors, are based on the thermo-optic effect in high quality factor (Q) micrometer-scale optical resonators. Microphotonic thermal detectors do not suffer from Johnson noise, do not require metallic connections to the sensing element, do not suffer from charge trapping effects, and have responsivities orders of magnitude larger than microbolometer-based thermal detectors. For these reasons, microphotonic thermal detectors have the potential to reach thermal phonon noise limited performance.

Paper Details

Date Published: 19 February 2009
PDF: 8 pages
Proc. SPIE 7194, Laser Resonators and Beam Control XI, 71940T (19 February 2009); doi: 10.1117/12.821117
Show Author Affiliations
Michael R. Watts, Sandia National Labs. (United States)
Michael J. Shaw, Sandia National Labs. (United States)
Peter T. Rakich, Sandia National Labs. (United States)
Anthony L. Lentine, Sandia National Labs. (United States)
Gregory N. Nielson, Sandia National Labs. (United States)
Jeremy Wright, Sandia National Labs. (United States)
William A Zortman, Sandia National Labs. (United States)
Frederick B. McCormick, Sandia National Labs. (United States)

Published in SPIE Proceedings Vol. 7194:
Laser Resonators and Beam Control XI
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko; Lutz Aschke, Editor(s)

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