Reflective surface coating for a uniform intensity of a polarize

Details Reflective surface coating for a uniform intensity of a polarize Reflective surface coating for a uniform intensity of a polarize

1998-01-30

1999-08-31

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359217, 359584, G02B 2608

Patent

active

059461250

ABSTRACT:
A three layer dielectric material coating of silicon dioxide/zinc selenide/silicon dioxide is deposited on the reflective surface of the facets of a rotating polygon mirror to provide a uniform intensity of a reflected beam over a wide range of angles of incidence and a wide range of beam wavelengths.

REFERENCES:
patent: 4643518 (1987-02-01), Taniguchi
patent: 5126873 (1992-06-01), Ang

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