WAVELENGTH CONVERSION LASER

WIPO Patent Application WO/2007/096965

A1

A wavelength laser comprising a laser light source (1) outputting a basic wave laser light (2), and a wavelength conversion crystal (5) arranged on the optical axis of the basic wave laser light (2) outputted from the laser light source (1) in order to convert the basic wave laser light (2) into harmonics laser light (7), wherein the wavelength conversion crystal (5) is rotated about an axis normal to the nonlinear receiving face (54) of the wavelength conversion crystal (5) and arranged while inclining with respect to the optical axis of the basic wave laser light (2), and a means (6) for regulating the temperature of the wavelength conversion crystal (5) is provided. Phase matching conditions are sustained by regulating the temperature of the wavelength conversion crystal (5), and harmonics light can be generated efficiently even when the wavelength conversion crystal (5) is arranged while inclining with respect to the optical axis of light subjected to wavelength conversion.

FUJIKAWA SHUICHI (JP)
KAWAI TAKAFUMI (JP)
KUBA KAZUKI (JP)
KOJIMA TETSUO (JP)

PCT/JP2006/303264

August 30, 2007

February 23, 2006

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MITSUBISHI ELECTRIC CORP (JP)
FUJIKAWA SHUICHI (JP)
KAWAI TAKAFUMI (JP)
KUBA KAZUKI (JP)
KOJIMA TETSUO (JP)

G02F1/37

JP2003114454A	2003-04-18
JPH0667238A	1994-03-11
JPH06102545A	1994-04-15
JPH09199773A	1997-07-31
JPH0829818A	1996-02-02
JP2001308429A	2001-11-02
JP2005010739A	2005-01-13
JP2003262895A	2003-09-19

TAKAHASHI, Shogo et al. (7-3 Marunouchi 2-chom, Chiyoda-ku Tokyo, JP)

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