Title:
LASER DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/146650
Kind Code:
A1
Abstract:
A laser device comprising a multimode fiber that guides a laser beam, wherein the incidence of four-wave mixing is minimized. This laser device (1) comprises: a multimode fiber (LDF) that guides laser light generated by a laser; and a higher-order-mode processor (MP) that processes at least some of the light of at least one mode among the higher-order-mode light of the laser light, which will be four-wave-mixed pump light that can appear in the multimode fiber (LDF).
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Inventors:
IKOMA SHINYA (JP)
Application Number:
PCT/JP2019/002100
Publication Date:
August 01, 2019
Filing Date:
January 23, 2019
Export Citation:
Assignee:
FUJIKURA LTD (JP)
International Classes:
H01S3/067; G02B6/02; G02B6/26; H01S3/098; H01S3/10
Foreign References:
| JP2014179461A | 2014-09-25 | |||
| JP2015505064A | 2015-02-16 | |||
| JP2011215394A | 2011-10-27 | |||
| JP2015062258A | 2015-04-02 | |||
| JP2017026672A | 2017-02-02 | |||
| JP2000347057A | 2000-12-15 | |||
| US20160285227A1 | 2016-09-29 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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