H - Electricity – 01 – S
Patent
H - Electricity
01
S
345/30, 88/97.6
H01S 3/06 (2006.01) H01S 3/067 (2006.01) H01S 3/091 (2006.01) H01S 3/094 (2006.01)
Patent
CA 1324517
OPTICAL FIBER LASERS AND AMPLIFIERS ABSTRACT OF THE DISCLOSURE Apparatus for coupling radiation into a single-mode core of an optical fiber laser has a single-mode core disposed within a relatively large, multimode cladding at a location which is displaced from the center of the cross-section of the cladding. The cladding is surrounded by a further layer to prevent radiation from propagating out of the cladding. In addition, the apparatus preferably has slight bends to enhance the coupling of radiation from the cladding into the single-mode core. A further embodiment has a single-mode fiber laser disposed in a relatively large, multimode, slab cladding which, in turn, is surrounded by another cladding to prevent radiation from propagating out of the large cladding.
586142
Hakimi Farhad
Po Hong
Snitzer Elias
Tumminelli Richard P.
Jds Uniphase Corporation
Smart & Biggar
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