Optical isolator

Details Optical isolator Optical isolator

1992-08-18

1993-11-30

Lerner, Martin

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359484, 359494, G02F 109, G02B 532, G02B 2728

Patent

active

052670783

ABSTRACT:
An optical isolator comprising an optical isolator unit having a structure depending on a plane of polarization of incident light, a first optical system for splitting the incident light into two polarized components for incidence on the optical isolator unit, and a second optical system for combining the two polarized components emerging from the optical isolator unit. The optical isolator can thus manifest an excellent effect of isolation without considering the plane of polarization of the incident light.

REFERENCES:
patent: 4178073 (1979-12-01), Uchida et al.
patent: 4239329 (1980-12-01), Matsumoto
patent: 4756607 (1988-07-01), Watanabe et al.
patent: 5033830 (1991-07-01), Jameson
patent: 5105307 (1992-04-01), Nishiyama et al.
Shibukawa et al., "Compact Optical Isolator for Near-Infrared Radiation," Electronics Letters, vol. 13, No. 24, Nov. 24, 1977, pp. 721 to 722.
Emkey, "Analysis and Design of Optical Isolators," First Microoptics Conference, 1987, pp. 70 to 73.

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