Title:
レーザ装置
Document Type and Number:
Japanese Patent JP6988019
Kind Code:
B2
Abstract:
A laser device includes at least one light source; a delivery fiber configured to propagate laser light launched from the light source; a monitor fiber optically coupled to the delivery fiber and configured to propagate a part of the light propagating in a direction opposite to a propagation direction of the laser light in the delivery fiber, and a light receiving unit configured to receive the light propagated by the monitor fiber. The light receiving unit is configured to detect first light included in a wavelength band of visible light.
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Inventors:
Takashi Hasunuma
Shinichi Sakamoto
Chiba Yasuto
Kiyoyama
Hiroshi Yamaguchi
Shinichi Sakamoto
Chiba Yasuto
Kiyoyama
Hiroshi Yamaguchi
Application Number:
JP2021502360A
Publication Date:
January 05, 2022
Filing Date:
February 27, 2020
Export Citation:
Assignee:
Fujikura Ltd.
International Classes:
H01S3/00; G01M11/00
Domestic Patent References:
| JP2011090050A | ||||
| JP2011252793A | ||||
| JP2012127903A | ||||
| JP2007514117A |
Foreign References:
| WO2012073952A1 | ||||
| WO2014014068A1 |
Attorney, Agent or Firm:
Sumio Tanai
Mitsunaga Igarashi
Toshio Komuro
Yuichiro Shimizu
Mitsunaga Igarashi
Toshio Komuro
Yuichiro Shimizu