Optical switch

Details Optical switch Optical switch

1981-08-24

1983-10-11

Henry, Jon W.

350266, G05D 2500

Patent

active

044088310

ABSTRACT:
An optical switch for switching laser beams, having a transparent glass plate with a reflection film on the surface of the same has been found. When the reflection film is at the first position, the first input beam is coupled with the output beam through the transparent glass plate, while the second input beam is prevented by said reflection film. When the reflection film is at the second position, the first input beam is prevented by said reflection film, and the second input beam is coupled with the output beam through the reflection by said reflection film. Thus, according to the displacement of the transparent glass plate together with the reflection film, the input beams are switched. Due to the above operational principle, the output optical level does not decrease even during the transient time, and then, the present optical switch is utilized in an optical repeater for digital communication.

REFERENCES:
patent: 3798435 (1974-03-01), Schindl

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