Coherent light generators – Particular beam control device – Nonlinear device
Reexamination Certificate
2010-04-29
2011-12-06
Stafford, Patrick (Department: 2828)
Coherent light generators
Particular beam control device
Nonlinear device
Reexamination Certificate
active
08073022
ABSTRACT:
A laser light source device, which is capable of multi-wavelength oscillation, includes a laser light source; and a laser cavity including (i) a fiber, (ii) a first fiber grating provided at a side of the fiber toward the laser light source and having a plurality of reflection peaks, and (iii) a second fiber grating provided at a light emission end of the fiber and having a plurality of reflection peaks. Further, the laser light source includes a wavelength converter converting a fundamental wave emitted from the laser cavity into a harmonic wave; a reflection wavelength varying unit shifting reflection wavelengths of the reflection peaks of the second fiber grating; and a controller controlling phase matching conditions of the wavelength converter. As a result, intervals between adjacent reflection peaks of the first fiber grating are different from those between adjacent reflection peaks of the second fiber grating.
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Furuya Hiroyuki
Mizuuchi Kiminori
Yamamoto Kazuhisa
Panasonic Corporation
Stafford Patrick
Wenderoth , Lind & Ponack, L.L.P.
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