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

1991-06-18

1992-06-30

Arnold, Bruce Y.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359212, 359359, G02B 2608, G02B 522

Patent

active

051268736

ABSTRACT:
A reflective surface coating of dielectric material, such as silicon dioxide, with an optical thickness of 0.05 of the wavelengths of the incident linearly polarized coherent beam having an equal intensity in the S and P polarization will yield a uniform intensity across a range of angles of incidence. A reflective surface coating with an optical thickness of 0.40 of the wavelengths of the incident linearly polarized coherent beam in the S polarization will yield a uniform intensity across a range of angles of incidence.

REFERENCES:
patent: 4318582 (1982-03-01), Minoura et al.
patent: 4504109 (1985-03-01), Taga et al.
patent: 4643518 (1987-02-01), Taniguchi
patent: 4753504 (1988-06-01), Kyogoku
patent: 5007692 (1991-04-01), Matsuura
K. C. Park "The Extreme Values of Reflectivity and the Conditions for Zero Reflection from Thin Dielectric Films on Metal"; Applied Optics; Jul. 1964, vol. 3, No 7, pp. 877-881.

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