Title:
LASER DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/052744
Kind Code:
A1
Abstract:
The present invention is a laser device which outputs necessary laser light and does not output unnecessary laser light, said laser device characterized in being provided with: a laser light generation unit (3) which generates laser light; a power generation unit (4) which generates power by being irradiated with the laser light; and optical means (8) which causes the optical path for the unnecessary laser light and the optical path for the necessary laser light to be different light paths among the laser light emitted from the laser light generation unit (3). The laser device is also characterized in that the unnecessary laser light is irradiated to the power generation unit (4). The laser device is further characterized in being additionally provided with diameter expansion means upon an optical path between the optical means and the power generation unit.
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Inventors:
KAWAI TAKAFUMI (JP)
KOJIMA TETSUO (JP)
SUZUKI HIROYUKI (JP)
KOJIMA TETSUO (JP)
SUZUKI HIROYUKI (JP)
Application Number:
PCT/JP2013/006090
Publication Date:
April 16, 2015
Filing Date:
October 11, 2013
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01S3/101; G02F1/37; H01L31/04; H01L35/28
Domestic Patent References:
| WO2006049262A1 | 2006-05-11 |
Foreign References:
| JPS60247488A | 1985-12-07 | |||
| EP1063852A2 | 2000-12-27 |
Attorney, Agent or Firm:
TAKAHASHI, Shogo et al. (JP)
Shogo Takahashi (JP)
Shogo Takahashi (JP)
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