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Proceedings Paper

Far-ultraviolet filters for the ISTP UV imager
Author(s): Muamer Zukic; Douglas G. Torr; Jongmin Kim; James F. Spann; Marsha R. Torr
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Paper Abstract

The far ultraviolet (FUV) imager for the International Solar-Terrestrial Physics (ISTP) mission is designed to image four features of the aurora: 0 1 lines at 130.4 nm and 135.6 nm and the N2 Lyman-Birge-Hopfield (LBH) bands between 140 nm -160 nm (LBH long) and 160 nm 180 nm (LBH long). We report the design and fabrication of narrow-band and broadband filters for the ISTP FUV imager. Narrow-band filters designed and fabricated for the 0 I lines have a bandwidth of less than 5 nm and a peak transmittance of 22.3% and 29.6% at 130.4 nm and 135.6 nm, respectively. Broadband filters designed and fabricated for LBH bands have the transmittance greater than 40% for LBH short and close to 60% for LBH long. Blocking of outof-band wavelengths for all filters is better than 0.001% with the transmittance at 121.6 nm of less than 10-6%.

Paper Details

Date Published: 29 June 1992
PDF: 9 pages
Proc. SPIE 1745, Instrumentation for Planetary and Terrestrial Atmospheric Remote Sensing, (29 June 1992); doi: 10.1117/12.60603
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)
James F. Spann, NASA Marshall Space Flight Ctr. (United States)
Marsha R. Torr, NASA Marshall Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 1745:
Instrumentation for Planetary and Terrestrial Atmospheric Remote Sensing
Supriya Chakrabarti; Andrew B. Christensen, Editor(s)

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