Coherent light generators – Particular pumping means – Pumping with optical or radiant energy
Reexamination Certificate
2007-03-06
2007-03-06
Harvey, Minsun Oh (Department: 2828)
Coherent light generators
Particular pumping means
Pumping with optical or radiant energy
C372S071000
Reexamination Certificate
active
10950585
ABSTRACT:
Provided is a diode-pumped solid-state laser adapted for an intracavity sum-frequency mixing for generating a laser radiation of a visible wavelength range by performing a sum-frequency mixing of two laser inputs in a laser resonant cavity. A pair of laser resonators of two different wavelengths are formed along a common optical path and an intracavity sum-frequency mixing is conducted so as to obtain a laser radiation at a sum-frequency wavelength by placing a nonlinear optical crystal on this common optical path. By suitably selecting the properties of the reflective surfaces that form the laser resonators, a laser radiation of a relatively short wavelength range can be obtained even though the wavelength of the pumping laser beam is relatively long, and an extremely high conversion efficiency can be achieved.
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Harvey Minsun Oh
Nguyen Tuan N.
Pearl Cohen Zedek Latzer LLP
Showa Optronics Co., Ltd.
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