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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 9 — Mar. 20, 2003
  • pp: 1594–1609

Calibration procedures and correction of detector signal relaxations for the CRISTA infrared satellite instrument

Manfred Ern, Dirk Offermann, Peter Preusse, Klaus-Ulrich Grossmann, and Jens Oberheide  »View Author Affiliations


Applied Optics, Vol. 42, Issue 9, pp. 1594-1609 (2003)
http://dx.doi.org/10.1364/AO.42.001594


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Abstract

Remote sensing from space has become a common method for deriving geophysical parameters such as atmospheric temperature and composition. The Cryogenic Infrared Spectrometers and Telescopes for the Atmosphere (CRISTA) instrument was designed to sound the middle and the upper atmosphere (10–180 km) with high spatial resolution. Atmospheric IR emissions were measured with Si:Ga bulk or Si:As blocked impurity band detectors for a wavelength interval of 4–17 μm and Ge:Ga bulk detectors for 56–71 μm. An overview of the calibration of the instrument and the correction of detector signal relaxations for the Si:Ga detectors are given, both of which are necessary to provide high-quality IR radiance data as input for the retrieval of atmospheric temperature and trace gas mixing ratios. Laboratory and flight data are shown to demonstrate the quality of the results.

© 2003 Optical Society of America

OCIS Codes
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(040.3060) Detectors : Infrared
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.4640) Instrumentation, measurement, and metrology : Optical instruments

History
Original Manuscript: April 26, 2002
Revised Manuscript: November 13, 2002
Published: March 20, 2003

Citation
Manfred Ern, Dirk Offermann, Peter Preusse, Klaus-Ulrich Grossmann, and Jens Oberheide, "Calibration procedures and correction of detector signal relaxations for the CRISTA infrared satellite instrument," Appl. Opt. 42, 1594-1609 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-9-1594

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