G - Physics – 02 – B
Patent
G - Physics
02
B
333/104, 88/97
G02B 26/00 (2006.01) G02B 5/20 (2006.01) G02B 6/34 (2006.01) H04B 10/12 (2006.01)
Patent
CA 1171147
ABSTRACT OF THE DISCLOSURE A wave length selective energy transfer device comprising first and second elongated wave guide structures of different physical characteristics to produce a different dispersion in each said structure, said first wave guide structure supporting at least two wave lengths in only a single energy mode whose phase velocity has a certain wave length dependence and said second wave guide structure supporting an energy mode whose phase velocity has a substantially different wave length dependence, said phase velocity of said single energy mode supported by said first wave guide structure being equal to said phase velocity of said energy mode supported by said second wave guide structure at a certain wave length, but with substantially different dispersions of said two propagated energy modes, and also providing coupling between said wave guide structures for a portion of their lengths. By core coupling for a portion of the fiber lengths, a communications facility is provided and various wave length selection structures are enabled.
374218
Polaroid Corporation
Smart & Biggar
LandOfFree
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