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Applied Optics

Applied 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)

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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

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

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)

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  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]
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