Low And Non-Polarizing Dielectric Multilayer Coatings For Beamsplitters

Muamer Zukic; Karl H. Guenther

doi:10.1117/12.944313

29 June 1988 Low And Non-Polarizing Dielectric Multilayer Coatings For Beamsplitters

Muamer Zukic, Karl H. Guenther

Author Affiliations +

Proceedings Volume 0891, Polarization Considerations for Optical Systems; (1988) https://doi.org/10.1117/12.944313
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

Dielectric multilayer stacks consisting of repeated pairs of high and low index quarter-wave layers are often used for beamsplitters. At oblique angles of incidence, such coatings typically have a fairly high polarization ratio, i.e., different reflectance, transmittance and phase for the two orthogonal polarization planes s and p. We use a special refining computer program based on a damped least squares optimization technique to achieve very low polarization ratios with all-dielectric beamsplitter coatings. The average intensity varia-tion is less than 0.5 % in the wavelength interval from 500 nm - 600 nm for all given design examples, for angles of incidence from 40 to 60^o.

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Muamer Zukic and Karl H. Guenther "Low And Non-Polarizing Dielectric Multilayer Coatings For Beamsplitters", Proc. SPIE 0891, Polarization Considerations for Optical Systems, (29 June 1988); https://doi.org/10.1117/12.944313

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