Optical device with optical polarizer/analyzer formed of yttrium

Details Optical device with optical polarizer/analyzer formed of yttrium Optical device with optical polarizer/analyzer formed of yttrium

1989-10-12

1991-03-19

Arnold, Bruce Y.

350401, 350402, 350403, G02F 109, G02B 108, G02B 530

Patent

active

050005464

ABSTRACT:
An optical polarizer/analyzer incorporated in an optical device is formed of an yttrium vanadate represented by the molecular formula of YVO.sub.4, the yttrium vanadate is as large in differential refractive index between an ordinary ray and an extraordinary ray and in optical absorption characteristics as rutile but is smaller in invertion loss than rutile at 1.3 micron wavelength and the yttrium vanadate is easy for producing a rod with a large diameter, so that the optical polarizer/analyzer of the yttrium vanadate is suitable for the component element of an optical device.

REFERENCES:
patent: 3700308 (1972-10-01), Nicolai
patent: 3914018 (1975-10-01), DeShazer
patent: 3989352 (1976-11-01), Lacklison et al.
patent: 4027948 (1977-06-01), Tanton et al.
patent: 4198123 (1980-04-01), Kremen
patent: 4449096 (1984-05-01), Doriath et al.
patent: 4755026 (1988-07-01), Honda et al.

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