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Proceedings Paper

The tandem Fabry-Perot filter imaging spectro-polarimeter for the Solar Magnetic Activity Research Telescope (SMART)
Author(s): Shin'ichi Nagata; Kenichi Otsuji; Takako T. Ishii; Kiyoshi Ichimoto; Satoru Ueno; Reizaburo Kitai; Goichi Kimura; Kazunari Shibata; Yoshikazu Nakatani; Satoshi Morita
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Paper Abstract

In order to perform precise and high time cadence magnetic field measurement across the solar surface, the Tandem Fabry-Perot filter imaging spectro-polarimeter for the Solar Magnetic Activity Research Telescope (SMART) is revised. By using the CCD with moderate frame rate of 30fps, full Stokes vectors on the field-of-view 320"x240" can be obtained at 4 wavelengths around FeI6302 line within about 15s. The optical performance of the Tandem Fabry-Perof filters is investigated by using the spectrograph at the Domeless Solar Telescope at Hida Observatory. The test results show the full-width-half-maximum (FWHM) of the tandem filters is about 0.017nm over the 60mm clear aperture is achieved. The system is developed to start the regular observations from 2010.

Paper Details

Date Published: 23 September 2009
PDF: 7 pages
Proc. SPIE 7438, Solar Physics and Space Weather Instrumentation III, 74380V (23 September 2009); doi: 10.1117/12.827852
Show Author Affiliations
Shin'ichi Nagata, Hida Observatory, Kyoto Univ. (Japan)
Kenichi Otsuji, Hida Observatory, Kyoto Univ. (Japan)
Takako T. Ishii, Hida Observatory, Kyoto Univ. (Japan)
Kiyoshi Ichimoto, Hida Observatory, Kyoto Univ. (Japan)
Satoru Ueno, Hida Observatory, Kyoto Univ. (Japan)
Reizaburo Kitai, Hida Observatory, Kyoto Univ. (Japan)
Goichi Kimura, Hida Observatory, Kyoto Univ. (Japan)
Kazunari Shibata, Hida Observatory, Kyoto Univ. (Japan)
Yoshikazu Nakatani, Hida Observatory, Kyoto Univ. (Japan)
Satoshi Morita, Hida Observatory, Kyoto Univ. (Japan)


Published in SPIE Proceedings Vol. 7438:
Solar Physics and Space Weather Instrumentation III
Silvano Fineschi; Judy A. Fennelly, Editor(s)

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