Light actuated optical switching device

Details Light actuated optical switching device Light actuated optical switching device

1990-05-14

1992-01-07

Hille, Rolf

Optical: systems and elements

Optical modulator

Light wave directional modulation

385 5, G02B 523, G02B 610, G02F 101

Patent

active

050784781

ABSTRACT:
A light activated switching device is disclosed in which the receipt of a light signal is used to switch a light beam between two output ports. The input light beam is reflected from an interface between two regions having different indices of refraction when the light signal is present. The reflected light beam then exits through the first output port. In the absence of the light signal, the two regions have the same index of refraction, and the light beam passes through both regions and exits through the second output port.

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patent: 4986639 (1991-01-01), Chang et al.
patent: 5013114 (1991-05-01), Young

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