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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 27, Iss. 23 — Dec. 1, 1988
  • pp: 4964–4976

Cryogenic Fourier spectrometer for measuring trace species in the lower stratosphere

John C. Brasunas, Virgil G. Kunde, and L. W. Herath  »View Author Affiliations


Applied Optics, Vol. 27, Issue 23, pp. 4964-4976 (1988)
http://dx.doi.org/10.1364/AO.27.004964


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Abstract

A cryogenic Fourier transform spectrometer has been built to measure thermal emission of the earth’s limb from a balloon-borne platform. Liquid nitrogen cooling of the spectrometer and liquid helium cooling of the detectors has provided sufficient sensitivity to detect, at 5–15 μm, fifteen molecular species relevant to stratospheric ozone chemistry. The spectral resolution achieved, 0.022 cm−1, is the best yet attained for emission mode data at these wavelengths. The philosophy behind the design of the optical and electronic systems is presented, followed by an analysis of the performance achieved during balloon flight.

© 1988 Optical Society of America

History
Original Manuscript: May 9, 1988
Published: December 1, 1988

Citation
John C. Brasunas, Virgil G. Kunde, and L. W. Herath, "Cryogenic Fourier spectrometer for measuring trace species in the lower stratosphere," Appl. Opt. 27, 4964-4976 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-23-4964

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