Laser light source and manufacturing method therefor

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United States of America Patent

PATENT NO 6415078
SERIAL NO

08633522

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Abstract

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In a method of manufacturing a laser light source according to the present invention, an optical fiber having a diffraction grating is produced in which a plurality of refractive index changing portions are formed along the direction of an optical axis of the optical fiber. Then, the optical fiber having the diffraction grating is inserted into a ferrule, the optical fiber is bonded thereat, and the end surface of the ferrule is ground. Further, a laser oscillating device is prepared, and the laser oscillating device is coupled with the optical fiber having the diffraction grating and being inserted in the ferrule.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO ELECTRIC INDUSTRIES LTDOSAKA-SHI OSAKA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Takashi Kanagawa, JP 514 6728
Shigehara, Masakazu Kanagawa, JP 58 563
Shigematsu, Masayuki Kanagawa, JP 45 576

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