Laser light source

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United States of America Patent

PATENT NO 8646959
APP PUB NO 20110182082A1
SERIAL NO

13014415

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Abstract

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A laser light source includes a laser element that outputs a fundamental wave; a wavelength conversion element to which the fundamental wave is input and that wavelength-converts at least a portion of the input fundamental wave to a converted wave having a wavelength shorter than the fundamental wave; a first waveguide that guides an output wave from the wavelength conversion element; a second waveguide that attenuates and guides a component of the fundamental wave included in the output wave from the first waveguide; a diffraction grating that is formed in the first waveguide and locks a wavelength or a frequency of the fundamental wave output from the laser element by feeding back the fundamental wave output from the wavelength conversion element.

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Patent Owner(s)

Patent OwnerAddress
CITIZEN WATCH CO LTD1-12 TANASHICHO 6-CHOME NISHITOKYO-SHI TOKYO 188-8511

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukaya, Shinpei Tokorozawa, JP 10 123
Ide, Masafumi Tokorozawa, JP 56 1190

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