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Proceedings Paper

Description of a proposed space-based high-resolution ozone imaging instrument (HIROIG)
Author(s): James H. Hecht; David James Gutierrez; George S. Rossano; Mazaher G. Sivjee; W. Jim Skinner; David L. McKenzie; Martin N. Ross; David W. Warren
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Paper Abstract

In order to measure the effect of rocket exhaust on stratospheric ozone and aerosol profiles, it is necessary to deploy a space-based mid-UV spectrograph capable of making measurements at high spatial resolution (1 - 2 km) of the intensity and state of polarization of solar light backscattered by the atmosphere. This paper describes the design of an instrument called HIROIG (high resolution ozone imager) which is expected to be deployed in a sun synchronous orbit sometime after 1995. The instrument consists of three identical spectrographs, each one sensitive to light polarized in one direction. Each spectrograph uses a frame-transfer CCD which images the entire 270 - 370 nm spectrum at approximately equals 1 nm spectral resolution. Images re exposed, in the push broom mode, for 140 msec, providing an effective spatial resolution of better than 2 km for typical orbital velocities. The HIROIG field of view is 1000 km cross-track. A ground-based prototype consisting of a single spectrograph has been constructed and the characterization of this instrument is discussed.

Paper Details

Date Published: 30 September 1994
PDF: 13 pages
Proc. SPIE 2266, Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research, (30 September 1994); doi: 10.1117/12.187573
Show Author Affiliations
James H. Hecht, The Aerospace Corp. (United States)
David James Gutierrez, The Aerospace Corp. (United States)
George S. Rossano, The Aerospace Corp. (United States)
Mazaher G. Sivjee, The Aerospace Corp. (United States)
W. Jim Skinner, The Aerospace Corp. (United States)
David L. McKenzie, The Aerospace Corp. (United States)
Martin N. Ross, The Aerospace Corp. (United States)
David W. Warren, The Aerospace Corp. (United States)

Published in SPIE Proceedings Vol. 2266:
Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research
Jinxue Wang; Paul B. Hays, Editor(s)

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