Title:
OPTICAL FIBER LASER DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/014068
Kind Code:
A1
Abstract:
An optical fiber laser device provided with: optical reflectors that configure an optical resonator for causing laser oscillation of invisible laser light from the emission of an amplifying optical fiber; output optical fibers for outputting the laser light; a first visible light source for outputting visible light; an introduction unit for outputting laser light input to a first input terminal mainly from a first output terminal, for outputting visible light input to a second input terminal mainly from the first output terminal, and for introducing visible light, input from the second input terminal by connecting the first visible light source to the second input terminal, into the amplifying optical fiber or an output optical fiber via the first output terminal; an optical multi/demultiplexer for outputting visible light output from the first visible light source to the introduction unit and outputting leaked optical feedback input from the introduction unit side; and a control unit for outputting visible light from the output optical fiber when aligning the laser light irradiation position. Provided thereby is an optical fiber laser device capable of accurate alignment.
Inventors:
MIYATO TAIZO (JP)
KASHIWAGI KOSUKE (JP)
EMORI YOSHIHIRO (JP)
FUJISAKI AKIRA (JP)
KAJIWARA KOJI (JP)
KASHIWAGI KOSUKE (JP)
EMORI YOSHIHIRO (JP)
FUJISAKI AKIRA (JP)
KAJIWARA KOJI (JP)
Application Number:
PCT/JP2013/069553
Publication Date:
January 23, 2014
Filing Date:
July 18, 2013
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD (JP)
International Classes:
B23K26/04; B23K26/00; B23K26/08; H01S3/067
Foreign References:
| JP2005013348A | 2005-01-20 | |||
| JPH07116878A | 1995-05-09 | |||
| JPS628748A | 1987-01-16 | |||
| JP2013102007A | 2013-05-23 |
Attorney, Agent or Firm:
SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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