Fiber optic bypass switch

Details Fiber optic bypass switch Fiber optic bypass switch

1988-09-19

1990-02-20

Sikes, William L.

350358, G02F 111

Patent

active

049020870

ABSTRACT:
An optical bypass switch includes a variable diffraction element responsive to acoustical signals operable to couple light signals incident to first and second input ports to first and second output ports, respectively, for a first diffraction index and from the first and second input ports to the second and first output ports, respectively, for a second diffraction index. Acoustical signals are provided by an electro-acoustic transducer coupled to the variable diffraction element which establishes acoustical signals in response to acoustical signals coupled thereto.

REFERENCES:
patent: 4332441 (1982-06-01), Margolis
patent: 4390247 (1983-06-01), Freyre
patent: 4443066 (1984-04-01), Freyre
patent: 4684828 (1987-08-01), Sommargren
patent: 4736382 (1988-04-01), O'Meara
patent: 4759613 (1988-07-01), Fox

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