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12 July 2023 Ultra-compact machined slicer IFU
Takashi Sukegawa, Haosheng Lin, Morgan Bonnet
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Proceedings Volume 12777, International Conference on Space Optics — ICSO 2022; 127773V (2023) https://doi.org/10.1117/12.2690568
Event: International Conference on Space Optics — ICSO 2022, 2022, Dubrovnik, Croatia
Abstract
Canon has the world's most advanced cutting machine and has provided the world's first CdZnTe1 and InP2 immersion gratings to the market. Cutting gratings on brittle materials is very delicate, and nm-accurate processing can be achieved by cutting alone. Using this technology, we have fabricated the machined image slicer integral field unit (MISI) for the Diffraction-Limited near-IR Spectropolarimeter (DL-NIRSP) 3 of the Daniel K. Inouye Solar Telescope (DKIST) 4 . The MISI-36 we produced is consists of 112 36μm×1.3mm micro slicer mirrors, a parabolic collimator, a monolithic flat mirror array consists of 112-fold mirrors, and a monolithic spherical mirror array consists of 112 spherical mirrors. This paper presents the latest high precision machined and fabricated ultra-compact IFU/ MISI-36.
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Takashi Sukegawa, Haosheng Lin, and Morgan Bonnet "Ultra-compact machined slicer IFU", Proc. SPIE 12777, International Conference on Space Optics — ICSO 2022, 127773V (12 July 2023); https://doi.org/10.1117/12.2690568
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KEYWORDS
Mirrors
Parabolic mirrors
Space mirrors
Mirror surfaces
Astronomical imaging
Collimators
Metals
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