Optics development for the SPEAR mission

Kwangsun Ryu; Kaori Nishikida; Jerry Edelstein; Kwangil Seon; Insoo Yuk; Kyung-wook Min; Wonyong Han; Eric J. Korpela; Raymond Chung; Ken McKee

doi:10.1117/12.460015

24 February 2003 Optics development for the SPEAR mission

Kwangsun Ryu, Kaori Nishikida, Jerry Edelstein, Kwangil Seon, Insoo Yuk, Kyung-wook Min, Wonyong Han, Eric J. Korpela, Raymond Chung, Ken McKee

Author Affiliations +

Proceedings Volume 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation; (2003) https://doi.org/10.1117/12.460015
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

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.

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Kwangsun Ryu, Kaori Nishikida, Jerry Edelstein, Kwangil Seon, Insoo Yuk, Kyung-wook Min, Wonyong Han, Eric J. Korpela, Raymond Chung, and Ken McKee "Optics development for the SPEAR mission", Proc. SPIE 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation, (24 February 2003); https://doi.org/10.1117/12.460015

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