21 September 2012 Design of large aperture solar optical telescope for the SOLAR-C mission
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A large aperture optical telescope is planned for the next Japanese solar mission SOLAR-C as one of major three observing instruments. The optical telescope is designed to provide high-angular-resolution investigation of lower atmosphere from the photosphere to the uppermost chromosphere with enhanced spectroscopic and spectro-polarimetric capability covering a wide wavelength region from 280 nm to 1100 nm. The opto-mechanical and -thermal performance of the telescope is crucial to attain high-quality solar observations and we present a study of optical and structural design of the large aperture space solar telescope, together with conceptual design of its accompanying focal plane instruments: wide-band and narrow-band filtergraphs and a spectro-polarimeter for high spatial and temporal observations in the solar photospheric and chromospheric lines useful for sounding physical condition of dynamical phenomena.
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Y. Suematsu, Y. Suematsu, Y. Katsukawa, Y. Katsukawa, H. Hara, H. Hara, T. Shimizu, T. Shimizu, K. Ichimoto, K. Ichimoto, "Design of large aperture solar optical telescope for the SOLAR-C mission", Proc. SPIE 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave, 844225 (21 September 2012); doi: 10.1117/12.926048; https://doi.org/10.1117/12.926048

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