III-V Direct-bandgap semiconductor optical filter

Details III-V Direct-bandgap semiconductor optical filter III-V Direct-bandgap semiconductor optical filter

1979-10-18

1981-11-17

Levy, Stewart J.

Compositions

Radioactive compositions

Nuclear reactor fuel

252582, 350 16, 350 9615, G02B 522, H01B 102

Patent

active

043008119

ABSTRACT:
A thin plate of III-V direct-bandgap semiconductor, preferably with anti-reflective coatings, operates as superior optical filter for light having a wavelength which exceeds a given wavelength in the visible or infra-red spectrum. Such a filter is particularly suitable for use in a duplex optical communication system employing a fiber-optic transmission line.

REFERENCES:
patent: 2977477 (1961-03-01), Rosi et al.
patent: 3482088 (1969-12-01), Ansley
patent: 3533967 (1970-10-01), McNeely et al.

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