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Proceedings Paper

Optics development for the SPEAR mission
Author(s): Kwangsun Ryu; Kaori Nishikida; Jerry Edelstein; Kwangil Seon; Insoo Yuk; Kyung-wook Min; Wonyong Han; Eric J. Korpela; Raymond Chung; Ken McKee
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Paper Abstract

We describe the development of optics for the SPEAR space-mission to map the far ultraviolet (900-1750 Å) sky. The SPEAR spectrometers contain unusual reflective optics to optimize sensitivity to diffuse emission. We describe the manufacture, test and performance of the collecting mirrors: Pyrex parabolic cylinders with a 90 degree off-axis angle. We also describe the development of the diffraction gratings: ellipses of rotation that are holographically-ruled with constant spacing and blazed with ion-beam ablation.

Paper Details

Date Published: 24 February 2003
PDF: 10 pages
Proc. SPIE 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation, (24 February 2003); doi: 10.1117/12.460015
Show Author Affiliations
Kwangsun Ryu, Korea Advanced Institute of Science and Technology (South Korea)
Kaori Nishikida, Space Sciences Lab., Univ. of California/Berkeley (United States)
Jerry Edelstein, Space Sciences Lab., Univ. of California/Berkeley (United States)
Kwangil Seon, Korea Astronomy Observatory (South Korea)
Insoo Yuk, Korea Astronomy Observatory (South Korea)
Kyung-wook Min, Korea Advanced institute of Science and Technology (South Africa)
Wonyong Han, Korea Astronomy Observatory (South Korea)
Eric J. Korpela, Space Sciences Lab., Univ. of California/Berkeley (United States)
Raymond Chung, Space Sciences Lab., Univ. of California/Berkeley (United States)
Ken McKee, Space Sciences Lab., Univ. of California/Berkeley (United States)


Published in SPIE Proceedings Vol. 4854:
Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation
J. Chris Blades; Oswald H. W. Siegmund, Editor(s)

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