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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 27, Iss. 3 — Feb. 1, 1988
  • pp: 619–626

Imaging spectrometer for high resolution measurements of stratospheric trace constituents in the ultraviolet

Marsha R. Torr and D. G. Torr  »View Author Affiliations


Applied Optics, Vol. 27, Issue 3, pp. 619-626 (1988)
http://dx.doi.org/10.1364/AO.27.000619


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Abstract

A high resolution spectrometer has been developed for studies of minor constituents in the middle atmosphere at ultraviolet wavelengths. In particular, the instrument is intended for observations of upper stratospheric UV bands. The spectrometer has a slit width of 0.08 Å obtained by means of an echelle grating and a cross-disperser grating. The image plane detector is an intensified charge coupled device consisting of a high gain proximity focused image intensifier that is fiber optically coupled to a 2-D CCD array. An instantaneous bandwidth of 9.2 Å is resolved across 488 pixels at 0.018 Å/pixel, permitting simultaneous acquisition of multiple lines of selected OH bands and the neighboring background. The spectrometer and the approach have been successfully demonstrated as a technique for measuring the concentration of OH on two high altitude balloon flights. We report the instrument design and its achieved performance.

© 1988 Optical Society of America

History
Original Manuscript: May 19, 1987
Published: February 1, 1988

Citation
Marsha R. Torr and D. G. Torr, "Imaging spectrometer for high resolution measurements of stratospheric trace constituents in the ultraviolet," Appl. Opt. 27, 619-626 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-3-619


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References

  1. C. R. Burnett, E. B. Burnett, “Spectroscopic Measurements of the Vertical Column Abundance of Hydroxyl (OH) in the Earth’s Atmosphere,” J. Geophys. Res. 86, 5185 (1981). [CrossRef]
  2. C. R. Burnett, E. B. Burnett, “Observational Results on the Vertical Column Abundance of Atmospheric Hydroxyl: Description of its Seasonal Behavior 1977–1982 and of the 1982 El Chichon Perturbation,” J. Geophys. Res. 89, 9603 (1984). [CrossRef]
  3. J. G. Anderson, “The Absolute Concentration of OH(X2π) in the Earth’s Stratosphere,” Geophys. Res. Lett. 3, 165 (1976). [CrossRef]
  4. W. S. Heaps, T. J. McGee, “Progress in Stratospheric Hydroxyl Measurement by Balloon-Borne LIDAR,” J. Geophys. Res. 90, 7913 (1985). [CrossRef]
  5. D. G. Torr, M. R. Torr, W. Swift, J. Fennelly, G. Liu, “Measurements of OH(X2π) in the Stratosphere by High Resolution UV Spectroscopy,” Geophys. Res. Lett. 14, 937 (1987). [CrossRef]
  6. H. E. Bennett, “Scattering Characteristics of Optical Materials,” Opt. Eng. 17, 480 (1978). [CrossRef]
  7. M. R. Torr, J. Devlin, “Intensified Charge Coupled Devices for use as a Spaceborne Spectrographic Image-Plane Detector System,” Appl. Opt. 21, 3091 (1982). [CrossRef] [PubMed]
  8. M. R. Torr, D. G. Torr, R. Baum, R. Spielmaker, “Intensified-CCD Focal Plane Detector for Space Applications: A Second Generation,” Appl. Opt. 25, 2768 (1986). [CrossRef] [PubMed]

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