Design Considerations for a Near Infrared Imaging Vector Magnetograph

Details Design Considerations for a Near Infrared Imaging Vector Magnetograph Design Considerations for a Near Infrared Imaging Vector Magnetograph

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.5603g&link_type=abstract

American Astronomical Society, 188th AAS Meeting, #56.03; Bulletin of the American Astronomical Society, Vol. 28, p.911

Physics

Optics

Scientific paper

We present a preliminary design for an imaging vector magnetograph at 15648 Angstroms. This instrument is intended as a potential source of vector magnetic field measurments for the USAF and NOAA solar activity prediction programs. It will consist of a blocking filter, two Fabry-Perot Etalons in tandem, a near-IR (10000 -- 17000 Angstroms) camera and associated polarization optics. Initial test results of the optical characteristics of this instrument and its expected performance characteristics will be described. We are exploring designs for operational vector magnetographs in the near-IR as a way to simplify vector magnetic field measurements while improving their accuracy. This work was supported by AFOSR Task 2311G3. National Solar Observatory, NOAO, is operated for the National Science Foundation by AURA, Inc.

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