Fabrication and test of a wide-field H-Lyman alpha coronagraph/polarimeter

Richard B. Hoover; Arthur B. C. Walker Jr.; Silvano Fineschi; Phillip C. Baker; Muamer Zukic; Jongmin Kim

doi:10.1117/12.168570

15 February 1994 Fabrication and test of a wide-field H-Lyman alpha coronagraph/polarimeter

Richard B. Hoover, Arthur B. C. Walker Jr., Silvano Fineschi, Phillip C. Baker, Muamer Zukic, Jongmin Kim

Proceedings Volume 2010, X-Ray and Ultraviolet Polarimetry; (1994) https://doi.org/10.1117/12.168570
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

The Wide Field H-Lyman (alpha) Coronagraph/Polarimeter is currently being developed for solar research. This instrument has been designed to produce high resolution full-disk images of the Sun in a narrow bandpass centered at the neutral hydrogen Lyman (alpha) (Ly-(alpha) ) line ((lambda) 1215.7 angstroms). It has higher sensitivity and a wider field-of-view than the coronagraph which produced solar Ly-(alpha) images on May 13, 1991 during the MSSTA flight. The all-reflecting polarizers use advanced induced transmission and absorption thin film multilayer coatings to optimize the reflectivity and polarization properties at 1215.7 angstroms. We describe the instrument and discuss the current status of the fabrication of the Wide Field H-Lyman (alpha) Coronagraph/Polarimeter.

Citation Download Citation

Richard B. Hoover, Arthur B. C. Walker Jr., Silvano Fineschi, Phillip C. Baker, Muamer Zukic, and Jongmin Kim "Fabrication and test of a wide-field H-Lyman alpha coronagraph/polarimeter", Proc. SPIE 2010, X-Ray and Ultraviolet Polarimetry, (15 February 1994); https://doi.org/10.1117/12.168570

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