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Title:
LARGE-MODE-AREA TRIPLE-CLAD PASSIVE FIBER, MODE STRIPPER AND FIBER LASER
Document Type and Number:
WIPO Patent Application WO/2020/259644
Kind Code:
A1
Abstract:
A large-mode-area triple-clad passive fiber, a mode stripper, a laser output head and a fiber laser. The large-mode-area triple-clad passive fiber comprises a fiber core (27), an inner clad layer (28) covered outside the fiber core (27), an outer clad layer (29) covered outside the inner clad layer (28) and a coating layer (30) covered outside the outer clad layer (29). The cross-sectional shape of the fiber core (27) is a regular octagon. The cross-sectional shape of the outer clad layer (29) is a regular decagon. The cross-sectional shape of the inner clad layer (28) and the coating layer (30) is circular. The large-mode-area triple-clad passive fiber improves the stability and reliability of the fiber laser.

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Inventors:
YANG DEQUAN (CN)
WANG YING (CN)
LV ZHANGYONG (CN)
LI HUIHUI (CN)
SHI TENGFEI (CN)
JIANG FENG (CN)
Application Number:
PCT/CN2020/098331
Publication Date:
December 30, 2020
Filing Date:
June 26, 2020
Export Citation:
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Assignee:
SUZHOU MAXPHOTONICS CO LTD (CN)
MAXPHOTONICS CO LTD (CN)
International Classes:
H01S3/067; G02B6/036; H01S3/091
Domestic Patent References:
WO2018152338A12018-08-23
Foreign References:
CN108683064A2018-10-19
CN102576123A2012-07-11
CN110165531A2019-08-23
CN110187437A2019-08-30
CN110190496A2019-08-30
CN107329205A2017-11-07
CN104932054A2015-09-23
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