Multiplexer-demultiplexer using an elliptical concave grating an

Details Multiplexer-demultiplexer using an elliptical concave grating an Multiplexer-demultiplexer using an elliptical concave grating an

1987-12-18

1988-11-22

Sikes, William L.

350 9612, 350 9618, G02B 634

Patent

active

047861339

ABSTRACT:
The device comprises microguides (G1, G2, . . . GN) traversed by light beams with N different wavelengths, a diffraction grating (R) formed by reflecting elliptical facets and a single microguide (G). Point (S) of the end of the single microguide (G) and points (P1, . . . PN) of the ends of microguides (G1, . . . GN) are optically joined by the grating for different wavelengths.

REFERENCES:
patent: 4523803 (1985-06-01), Arao et al.
patent: 4740951 (1988-04-01), Lizet et al.
patent: 4741588 (1988-05-01), Nicia et al.

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