G - Physics
02
F
88/97.5
G02F 1/35 (2006.01) G02B 6/26 (2006.01) G02F 1/29 (2006.01) G02F 1/313 (2006.01)
Patent
CA 1307959
ABSTRACT COUPLER An optical coupler comprises at least two waveguides arranged so that light couples from one to the other. The waveguides are dissimilar and support different mode fields, and the composition or geometry of the waveguides is varied to determine the particular critical phenomenon characteristic that is required.
560184
British Telecommunications Public Limited Company
G. Ronald Bell & Associates
Nelson Brian P.
LandOfFree
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