Y. Katsukawa,1 H. Hara,1 M. Kubo,1 Y. Kawabata,1 T. Oba,1 J. Piqueras Carreño,2 I. Pérez Grande,2 K. Shinoda,1 T. Tamura,1 F. Uraguchi,1 T. Tsuzukihttps://orcid.org/0000-0002-8342-8314,1 Y. Nodomi,1 T. Shimizu,3 A. C. López Jiménez,4 M. Balaguer Jiménez,4 D. Álvarez García4
1National Astronomical Observatory of Japan (Japan) 2Univ. Politécnica de Madrid (Spain) 3Japan Aerospace Exploration Agency (Japan) 4Instituto de Astrofísica de Andalucía (Spain)
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The Sunrise Chromospheric Infrared spectroPolarimter (SCIP) is an instrument for the third flight of the SUNRISE balloon-borne solar observatory planned for 2022. To verify the high spatial and spectral resolutions required in the balloon flight, the SCIP optical unit was subjected to a thermal-vacuum test in which the SCIP optical unit was installed in a vacuum chamber and was exposed to the thermal environment expected in the flight. We verified the heater control performance and the temperature distribution in the SCIP optical unit and confirmed the optical performance by injecting the laser and white light through a vacuum window.
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Y. Katsukawa, H. Hara, M. Kubo, Y. Kawabata, T. Oba, J. Piqueras Carreño, I. Pérez Grande, K. Shinoda, T. Tamura, F. Uraguchi, T. Tsuzuki, Y. Nodomi, T. Shimizu, A. C. López Jiménez, M. Balaguer Jiménez, D. Álvarez García, "Sunrise chromospheric Infrared spectroPolarimeter (SCIP) for SUNRISE III: thermal-vacuum test of the SCIP optical unit," Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121842B (29 August 2022); https://doi.org/10.1117/12.2629972