14 September 1994 Principal angles and principal azimuths of an in-line symmetric three-reflection bare-mirror system: application to circular polarization of VUV radiation
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Abstract
Contours of constant principal angle (Phi) and constant principal azimuth (Psi) for an in-line, symmetric, three-reflection mirror system are presented. The three mirrors are assumed to use uncoated substrates of the same homogeneous isotropic material with complex relative dielectric function (epsilon) . By assigning values to (Phi) from 45 degree(s) to 85 degree(s), the constraint on complex (epsilon) is determined numerically and represented graphically. The special case of (Phi) - 45 degree(s), which applies to a right-angle parallel-mirror beam displacer, permits an analytical solution. These results have important applications for the production of circular polarization over the entire spectrum, and especially in the VUV where transmission-type devices are not possible. The performance of the three-mirror system as a VUV quarter-wave retarder/circular polarizer using different methods is also considered.
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Ayman Mohammed Kan'an, Ayman Mohammed Kan'an, Rasheed M. A. Azzam, Rasheed M. A. Azzam, } "Principal angles and principal azimuths of an in-line symmetric three-reflection bare-mirror system: application to circular polarization of VUV radiation", Proc. SPIE 2265, Polarization Analysis and Measurement II, (14 September 1994); doi: 10.1117/12.186661; https://doi.org/10.1117/12.186661
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