Optical switch incorporating molded optical waveguide elements

Details Optical switch incorporating molded optical waveguide elements Optical switch incorporating molded optical waveguide elements

1991-10-29

1993-02-09

Ullah, Akm E.

Optical waveguides

With optical coupler

Switch

250229, 359 54, G02B 600, G02B 636

Patent

active

051858240

ABSTRACT:
A structure for providing an N by N optical switch includes input and output structures disposed on either side of a planar electronic shutter array. Each of the input and output structures, which respectively provide optical signal splitting and combining, is realized by the stacking of N molded optical elements. Each element is formed of a plurality of molded materials with one providing an optical waveguide and the other providing a supporting structure for such waveguides. Advantageously, both the input and output structures utilize the same molded optical element and are fabricated in an identical manner. After such fabrication, the one structure to be designated as the output structure is rotated 90 degrees with respect to the input structure prior to abutment against the planar electronic shutter array.

REFERENCES:
patent: 4844577 (1989-07-01), Ninnis et al.
patent: 4910396 (1990-03-01), Grove
"Switching Matrix for Optical Signals, " NASA Tech Briefs, Sep. 1990, pp. 22, 24.

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