Photoelastic-Modulator Polarimeters In Astronomy

James C. Kemp

doi:10.1117/12.965911

17 May 1982 Photoelastic-Modulator Polarimeters In Astronomy

James C. Kemp

Proceedings Volume 0307, Polarizers and Applications; (1982) https://doi.org/10.1117/12.965911
Event: 25th Annual Technical Symposium, 1981, San Diego, United States

Abstract

Instruments used to detect polarized light from astronomical objects are briefly compared. Photoelastic-modulator polarimeters, introduced in 1970, have advantages particularly for extreme-sensitivity measurements of linear and circular polarization, down to the levels 0.01% and below. They have made possible several discoveries. Versions of such instruments for the u.v.-visible and for the infrared (1 - 13μ) are described.

Citation Download Citation

James C. Kemp "Photoelastic-Modulator Polarimeters In Astronomy", Proc. SPIE 0307, Polarizers and Applications, (17 May 1982); https://doi.org/10.1117/12.965911

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