LASER OSCILLATION DEVICE

WIPO Patent Application WO/2018/146819

A1

A laser oscillation device (100) is provided with an external resonator (10) constituted of: laser mediums (11, 12) that emit laser beams of different wavelengths; and a partial reflection mirror (14) that transmits some of the laser beams and reflects the remainder, returning same to the laser mediums (11, 12). Arranged in the interior of the external resonator (10) are: a diffraction grating (13) that superimposes into one the plurality of laser beams of different wavelengths emitted from the laser mediums (11, 12), and that wavelength couples the superimposed laser beams and outputs same to the partial reflection mirror (14); and a prism (15) which is disposed between the laser mediums (11, 12) and the diffraction grating (13) and causes the plurality of laser beams to superimpose into one on the diffraction grating (13), and one of the two surfaces forming the apex angle of the prism being the input surface and the other being the output surface.

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NISHIMAE JUNICHI (JP)
KATSURA TOMOTAKA (JP)
MORITA DAIJI (JP)
KUROKAWA HIROAKI (JP)

PCT/JP2017/005191

August 16, 2018

February 13, 2017

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MITSUBISHI ELECTRIC CORP (JP)

H01S3/082

WO2008045653A2

2008-04-17

JP2016054295A	2016-04-14
JP2008071798A	2008-03-27
JPH05198881A	1993-08-06
JP2003347627A	2003-12-05
JP2011205061A	2011-10-13
US20060092995A1	2006-05-04

TAKAMURA, Jun (JP)

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