Optical isolator

Details Optical isolator Optical isolator

1978-05-31

1979-12-11

Corbin, John K.

G02F 109

Patent

active

041780736

ABSTRACT:
An optical isolator maintains the intensity of light traveling therethrough in a forward direction, irrespective of the condition of polarization of the light, while substantially, preventing light having any condition of polarization from traveling therethrough in a reverse direction. The optical isolator generally includes first polarization apparatus to divide an incident light beam into two linearly polarized light beams having their directions of polarization perpendicular to each other, a non-reversible polarizing rotation element to rotate each of said linearly polarized light beams to form two rotated linearly polarized light beams and polarization converting apparatus which, in conjunction with a second polarization apparatus, synthesizes the two rotated linearly polarized light beams.

REFERENCES:
patent: 3495892 (1970-02-01), Dailey
patent: 3512867 (1970-05-01), Pearson et al.
patent: 3523718 (1970-08-01), Crow
patent: 3617129 (1971-11-01), Skolnick

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