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Proceedings Paper

Development of compact metal-mirror image slicer unit for optical telescope of the SOLAR-C mission
Author(s): Y. Suematsu; K. Saito; M. Koyama; Y. Enokida; Y. Okura; T. Nakayasu; T. Sukegawa
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Paper Abstract

To realize an integral field unit (IFU) for a one-meter class optical telescope (SUVIT) on board Japanese next solar mission (SOLAR-C), we studied an optical design and manufacturing method to attain high optical performances for IFU, using a novel manufacturing technique developed by Canon. The IFU consists of micro-image slicer of 45 arrayed 30-micron-thick metal mirrors and a pseudo-pupil mirror array for making three pseudo-slits, providing possible optical configuration for a coexistence with a usual slit spectrograph without movable mechanism. The IFU mirrors were deposited by a protected silver coating for high reflectivity in visible and near IR wavelength region. We present the optical design, performance of prototype IFU and space qualification tests of the silver coating.

Paper Details

Date Published: 29 July 2016
PDF: 8 pages
Proc. SPIE 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave, 990411 (29 July 2016); doi: 10.1117/12.2231947
Show Author Affiliations
Y. Suematsu, National Astronomical Observatory of Japan (Japan)
K. Saito, Canon Inc. (Japan)
M. Koyama, Canon Inc. (Japan)
Y. Enokida, Canon Inc. (Japan)
Y. Okura, Canon Inc. (Japan)
T. Nakayasu, Canon Inc. (Japan)
T. Sukegawa, Canon Inc. (Japan)

Published in SPIE Proceedings Vol. 9904:
Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave
Howard A. MacEwen; Giovanni G. Fazio; Makenzie Lystrup; Natalie Batalha; Nicholas Siegler; Edward C. Tong, Editor(s)

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