Title:
Laser oscillator
Document Type and Number:
Japanese Patent JP6316899
Kind Code:
B2
Abstract:
To provide a laser oscillator allowing the use of a plastic lens in a semiconductor laser module for a high-output laser oscillator while being unlikely to reduce the efficiency of coupling to an optical fiber even if a laser output changes. A laser oscillator comprises a semiconductor laser module with multiple semiconductor laser elements. The laser oscillator comprises: multiple lenses in a first group provided in the semiconductor laser module for causing laser beams from the semiconductor laser elements to pass through; and a lens in a second group provided in the semiconductor laser module for causing all beams having passed through the multiple lenses in the first group to pass through. The lenses in the first group are plastic lenses. The lens in the second group is a glass lens.
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Inventors:
High Tetsuhisa Minoru
Application Number:
JP2016203743A
Publication Date:
April 25, 2018
Filing Date:
October 17, 2016
Export Citation:
Assignee:
FANUC Corporation
International Classes:
H01S5/024; G02B6/42; G02B13/00; H01S5/022; H01S5/042; H01S5/40
Domestic Patent References:
| JP2004252423A | ||||
| JP2004252425A | ||||
| JP2003298171A |
Attorney, Agent or Firm:
Masayuki Masabayashi
Tetsuo Shiba
Hiroaki Hoshino
Tetsuo Shiba
Hiroaki Hoshino
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