Title

Low And Non-Polarizing Dielectric Multilayer Coatings For Beamsplitters

Abstract

Dielectric multilayer stacks consisting of repeated pairs of high and low index quarterwave 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 variation 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.

Publication Date

6-29-1988

Publication Title

Proceedings of SPIE - The International Society for Optical Engineering

Volume

891

Number of Pages

238-241

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1117/12.944313

Socpus ID

84958494279 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84958494279

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