Polarimetry with multiple mirror telescopes

Details Polarimetry with multiple mirror telescopes Polarimetry with multiple mirror telescopes

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..628...50w&link_type=abstract

IN: Advanced technology optical telescopes III; Proceedings of the Meeting, Tucson, AZ, Mar. 3-6, 1986 (A87-35201 15-89). Bellin

Mathematics

5

Depolarization, Mirrors, Optical Polarization, Polarimetry, Reflecting Telescopes, Interferometry, Matrices (Mathematics), Stokes Theorem (Vector Calculus)

Scientific paper

The polarizations of multiple mirror telescopes are calculated using Mueller calculus. It is found that the Multiple Mirror Telescope (MMT) produces a constant depolarization that is a function of wavelength and independent of sky position. The efficiency and crosstalk are modeled and experimentally verified. The two- and four-mirror new generation telescopes are found to produce sinusoidal depolarization for which an accurate interpretation of the incident Stokes vector requires inverse matrix calculations. Finally, the depolarization of f/1 paraboloids is calculated and found to be less than 0.1 percent at 3000 A.

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