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Proceedings Paper

Thermal control design of the lightning mapper sensor narrowband spectral filter
Author(s): Martin R. Flannery; John R. Potter; Jeff R. Raab; Scott K. Manlief
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Paper Abstract

The performance of the Lightning Mapper Sensor is dependent on the temperature shifts of its narrowband spectral filter. To perform over a 10 degree FOV with an 0.8 nm bandwidth, the filter must be 15 cm in diameter and mounted externally to the telescope optics. The filter thermal control required a filter design optimized for minimum bandpass shift with temperature, a thermal analysis of substrate materials for maximum temperature uniformity, and a thermal radiation analysis to determine the parameter sensitivity of the radiation shield for the filter, the filter thermal recovery time after occultation, and heater power to maintain filter performance in the earth-staring geosynchronous environment.

Paper Details

Date Published: 28 August 1992
PDF: 17 pages
Proc. SPIE 1693, Surveillance Technologies II, (28 August 1992); doi: 10.1117/12.138091
Show Author Affiliations
Martin R. Flannery, TRW, Inc. (United States)
John R. Potter, Barr Associates, Inc. (United States)
Jeff R. Raab, TRW, Inc. (United States)
Scott K. Manlief, TRW, Inc. (United States)

Published in SPIE Proceedings Vol. 1693:
Surveillance Technologies II
Sankaran Gowrinathan; James F. Shanley, Editor(s)

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