Optical isolator

Details Optical isolator Optical isolator

1985-03-26

1988-09-13

Corbin, John K.

350394, G02B 530, G02B 2728, G02F 103

Patent

active

047705051

ABSTRACT:
In an optical isolator, at least one of two polarizers has a polarizing beam splitter whose main section has a rhombic shape, and input and output end faces of the polarizing beam splitters are inclined with respect to the optical path of incident light. The angle of light incident on the bonding surface of the prisms constituting the rhombic polarizing beam splitter can be optimized, and return of the reflected light can be eliminated, thereby improving the performance of the optical isolator.

REFERENCES:
patent: 548701 (1895-10-01), Crehore
patent: 3267804 (1966-08-01), Dillon
patent: 3625590 (1971-12-01), Habegger
patent: 3632187 (1972-01-01), Habegger
patent: 3734625 (1973-05-01), Aagard
patent: 3746983 (1973-07-01), Renz
patent: 4117399 (1978-09-01), Ono et al.
patent: 4553822 (1985-11-01), Mahlein

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