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Uncooled Doped-Si Thermopiles for Thermal Land Imaging ApplicationsSustained and enhanced land imaging is crucial for providing high-quality science data on change in land use, forest health, environment, and climate. Future thermal land imaging instruments operating in the 10-12 micron band will provide essential information for furthering our hydrologic understanding at scales of human influence, and producing field-scale moisture information through accurate retrievals of evapotranspiration (ET). To address the need for cost-effective future thermal land imaging missions we are developing novel uncooled doped-silicon thermopile detectors, an extension of a detector design originally developed at NASA-Goddard for planetary science applications (Lakew et al. 2016). These doped-Si thermopile detectors have the potential to offer superior performance in terms of sensitivity, speed and customizability, when compared to current commercial-off-the-shelf uncooled detector technologies. Because cryocooling technology does not need to be fielded on the instrument, these and other uncooled detectors offer the benefit of greatly reduced instrument cost, mass, and power at the expense of some acceptable loss in detector sensitivity. We present an overview of our thermal imaging instrument concept, our doped-Si thermopile detector concept, and performance expectations and comparisons. We also provide an update on the current status of this detector technology development
Document ID
20190002276
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Barrentine, Emily M.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Brown, Ari D.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Kotecki, Carl
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Mikula, Vilem
(American Univ. Washington, DC, United States)
Reid, Riley A.
(North Carolina State Univ. Raleigh, NC, United States)
Yoon, Sang H.
(Science Systems and Applications, Inc. Lanham, MD, United States)
Joseph, Alicia T.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
April 11, 2019
Publication Date
April 14, 2019
Subject Category
Earth Resources And Remote Sensing
Instrumentation And Photography
Report/Patent Number
GSFC-E-DAA-TN67213
Meeting Information
Meeting: SPIE Defense + Commercial Sensing 2019
Location: Baltimore, MD
Country: United States
Start Date: April 14, 2019
End Date: April 18, 2019
Sponsors: International Society for Optical Engineering
Funding Number(s)
OTHER: 2018-553-SPIE-EB-Poster
CONTRACT_GRANT: NNX15AG60G
CONTRACT_GRANT: NNG13CR48C
Distribution Limits
Public
Copyright
Use by or on behalf of the US Gov. Permitted.
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