A design and trial production of the image slicer unit for the mid-infrared spectrograph

Itsuki Sakon; Hirokazu Kataza; Takashi Onaka; Naofumi Fujishiro; Yuji Ikeda; Hitoshi Tokoro; Hiroyuki Nakagawa; Okiharu Kirino; Kenji Mitsui; Norio Okada

doi:10.1117/12.2024746

26 September 2013 A design and trial production of the image slicer unit for the mid-infrared spectrograph

Itsuki Sakon, Hirokazu Kataza, Takashi Onaka, Naofumi Fujishiro, Yuji Ikeda, Hitoshi Tokoro, Hiroyuki Nakagawa, Okiharu Kirino, Kenji Mitsui, Norio Okada

Author Affiliations +

Proceedings Volume 8860, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI; 88600Z (2013) https://doi.org/10.1117/12.2024746
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

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.

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Itsuki Sakon, Hirokazu Kataza, Takashi Onaka, Naofumi Fujishiro, Yuji Ikeda, Hitoshi Tokoro, Hiroyuki Nakagawa, Okiharu Kirino, Kenji Mitsui, and Norio Okada "A design and trial production of the image slicer unit for the mid-infrared spectrograph", Proc. SPIE 8860, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI, 88600Z (26 September 2013); https://doi.org/10.1117/12.2024746

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