Optical device for coupling and separating two light components

Details Optical device for coupling and separating two light components Optical device for coupling and separating two light components

1997-03-20

1998-08-18

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Switch

385 16, 385 33, 385 31, G02B 626

Patent

active

057968870

ABSTRACT:
An optical device including a lens and an optical thin film for coupling and separating two light components. First and second optical fibers are arranged on one side of the lens at symmetrical positions with respect to the optical axis of the lens, and the optical thin film and a third optical fiber are arranged on the other side of the lens. An isosceles triangular block is arranged to simultaneously move the first and second optical fibers to adjust an incident angle and an emerging angle of the light made incident to the optical thin film. Alternatively, a movable isosceles triangular prism having two oblique reflecting surfaces is arranged.

REFERENCES:
patent: 4519670 (1985-05-01), Spinner et al.
patent: 4824200 (1989-04-01), Isono et al.
patent: 5028111 (1991-07-01), Yumoto et al.

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