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Optical Engineering

Application Of The Langley Plot For Calibration Of Sun Sensors For The Halogen Occultation Experiment (Haloe)
Author(s): A. S. Moore; L. E. Mauldin; J. A. Reagan; C. W. Stump; M. G. Fabert
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Paper Abstract

The calibration of the Halogen Occultation Experiment (HALOE) sun sensor is described. This system consists of two energy-balancing silicon detectors to provide coarse azimuth and elevation control signals and a silicon photodiode array to provide top and bottom solar edge data for fine elevation control. All three detectors were calibrated on a mountaintop near Tucson, Ariz., using the Langley plot technique. The conventional Langley plot technique was modified to allow calibration of the two coarse detectors, which operate wideband. A brief description of the test setup is given. The HALOE instrument is a gas correlation radiometer that is now being developed for the Upper Atmospheric Research Satellite. A significant part of the paper includes other key features of the instrument for completeness of the subject.

Paper Details

Date Published: 1 February 1989
PDF: 8 pages
Opt. Eng. 28(2) 282180 doi: 10.1117/12.7976927
Published in: Optical Engineering Volume 28, Issue 2
Show Author Affiliations
A. S. Moore, NASA Langley Research Center (United States)
L. E. Mauldin, NASA Langley Research Center (United States)
J. A. Reagan, University of Arizona (United States)
C. W. Stump, NASA Langley Research Center (United States)
M. G. Fabert, ST Systems Corporation (United States)

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