Resonant multiplexer-demultiplexer for optical data communicatio

Details Resonant multiplexer-demultiplexer for optical data communicatio Resonant multiplexer-demultiplexer for optical data communicatio

1978-08-03

1980-01-08

Levy, Stewart J.

179 15R, 179 15BS, 350 9614, 350355, G02B 514, G02F 103, H04J 1500

Patent

active

041825446

ABSTRACT:
An improved optical data terminal device employs an array of multiple mode optical fiber guides as input-output devices, each abutted against a flat input-output focal face of an electrooptically active plate provided with opposed spiral-edged deflection modulation electrodes. Opposite the input-output focal face is a cylindrical mirror surface for refocussing the deflected light from any predetermined input fiber guide into a second one of the array of fiber guides selected by the voltage applied to the electrode pair. Resonant excitation of the deflection electrodes may be employed.

REFERENCES:
patent: 4139259 (1979-02-01), Kersten et al.
patent: 4143941 (1979-03-01), Soref
Soref et al. "Active Failsafe Terminal For Fiber-Optic Data Bus" Appl. Phys. Lett, vol. 32, No. 7 Apr. 1978 pp. 408-410.

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