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Proceedings Paper

A design and trial production of the image slicer unit for the mid-infrared spectrograph
Author(s): Itsuki Sakon; Hirokazu Kataza; Takashi Onaka; Naofumi Fujishiro; Yuji Ikeda; Hitoshi Tokoro; Hiroyuki Nakagawa; Okiharu Kirino; Kenji Mitsui; Norio Okada
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Paper Abstract

An image slicer is highly in demand for an integral field unit (IFU) spectrograph of the next generation infrared telescopes. This paper reports the results of the trial production of three key optical elements for a small format (number of slice; n=5) image slicer, i.e. monolithic slice mirrors, monolithic pupil mirrors and monolithic pseudo slit mirrors. We have demonstrated that sufficiently high processing accuracy and mirror surface accuracy for infrared observations are achieved for each optical element based on our super precision cutting techniques.

Paper Details

Date Published: 26 September 2013
PDF: 7 pages
Proc. SPIE 8860, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI, 88600Z (26 September 2013); doi: 10.1117/12.2024746
Show Author Affiliations
Itsuki Sakon, The Univ. of Tokyo (Japan)
Hirokazu Kataza, Japan Aerospace Exploration Agency (Japan)
Takashi Onaka, The Univ. of Tokyo (Japan)
Naofumi Fujishiro, Kyoto Sangyo Univ. (Japan)
Kyoto-Nijikoubou (Japan)
Yuji Ikeda, Photocoding, Inc. (Japan)
Hitoshi Tokoro, Nano-Optonics Research Institute (Japan)
Hiroyuki Nakagawa, Crystal Optics (Japan)
Okiharu Kirino, Crystal Optics (Japan)
Kenji Mitsui, National Astronomical Observatory of Japan (Japan)
Norio Okada, National Astronomical Observatory of Japan (Japan)

Published in SPIE Proceedings Vol. 8860:
UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI
Howard A. MacEwen; James B. Breckinridge, Editor(s)

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