Polarizer having a glass substrate with films on either side wit

Details Polarizer having a glass substrate with films on either side wit Polarizer having a glass substrate with films on either side wit

1994-03-28

1996-11-26

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 41, 359583, 359590, 359 49, G02F 11335, G02B 110, G02B 528

Patent

active

055791387

ABSTRACT:
A polarization separation mirror is made by evaporation-depositing a first multi-layers thin film and a second multi-layers thin film respectively on both surfaces of a transparent substrate, the mirror acts as a polarization beam splitter by cementing it between two transparent prism bodies. By shifting the relative film thicknesses of the first multi-layers thin film and of the second multi-layers thin film, reflecting wavelength range for the S-polarization component is changed.

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patent: 5235444 (1993-08-01), de Vaan
patent: 5237446 (1993-08-01), Takahashi
patent: 5260815 (1993-11-01), Takizawa

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