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Proceedings Paper

Wide-field-of-view 83.4-nm self-filtering camera
Author(s): Muamer Zukic; Douglas G. Torr; Jongmin Kim; Judith R. Fleischman; Christopher Martin
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Paper Abstract

Photometric imaging of ionospheric/magnetospheric O II emission at 83.4 nm is a primary objective for mapping the distribution of O+ ions. However, instrumental sensitivity has been a major barrier to realizing this goal. We report an instrumental design employing a low focal ratio camera where the reflecting surfaces act as both narrowband reflection filters at 83.4 nm and wide field of view imaging system. The design includes coatings with reflectances that are relatively insensitive to the angle of incidence of light. The peak reflectance per mirror is more than 60% at 83.4 nm with the average reflectance for out-of- band wavelengths less than 5%. The net reflective transmission for the three imaging mirrors is greater than 20% with 6.8 nm bandwidth and 0.01% maximum transmittance for out-of- band wavelengths.

Paper Details

Date Published: 7 July 1993
PDF: 8 pages
Proc. SPIE 2008, Instrumentation for Magnetospheric Imagery II, (7 July 1993); doi: 10.1117/12.147633
Show Author Affiliations
Muamer Zukic, Univ. of Alabama in Huntsville (United States)
Douglas G. Torr, Univ. of Alabama in Huntsville (United States)
Jongmin Kim, Univ. of Alabama in Huntsville (United States)
Judith R. Fleischman, Columbia Univ. (United States)
Christopher Martin, Columbia Univ. (United States)


Published in SPIE Proceedings Vol. 2008:
Instrumentation for Magnetospheric Imagery II
Supriya Chakrabarti, Editor(s)

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