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Author

Ichiro Jikuya

2 papers indexed here

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Aug 2026

VERTECS: development status and system verification of flight model

Extragalactic Background Light (EBL), the cumulative light from outside the Galaxy, is a crucial observational key for understanding the history of the universe. Previous observations have shown that the EBL in the near- infrared is several times brighter than the integrated galaxy light. Proposed origins include radia...

S. Nakagawa, Ryo Hashimoto, Kei Sano et al. · 0 citations
Open access Aug 2026

Millimeter-wave adaptive optics: demonstrating closed-loop correction for lowest Zernike modes

We report on a five-element prototype wavefront sensor for millimeter-wave adaptive optics (MAO), enabling closed-loop correction of tip-tilt and defocus via secondary mirror (M2) displacement. MAO is essential for large ground-based millimeter/submillimeter telescopes to maintain surface accuracy under wind and therma...

Yoichi Tamura, A. Taniguchi, Kotaro Iwakami et al. · 0 citations

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