Oct. 2019

Article Contents

Chinese Optics> 2019> 12(5): 1124-1130.

WANG Zheng, YAN Ming-jian, YIN Lu, WANG Hai-lin, HAN Zhi-gang. Stripping of cladding light at different angles: theoretical and experimental studies[J]. Chinese Optics, 2019, 12(5): 1124-1130. doi: 10.3788/CO.20191205.1124

Citation:

WANG Zheng, YAN Ming-jian, YIN Lu, WANG Hai-lin, HAN Zhi-gang. Stripping of cladding light at different angles: theoretical and experimental studies[J].Chinese Optics, 2019, 12(5): 1124-1130.doi:10.3788/CO.20191205.1124

Citation:

WANG Zheng, YAN Ming-jian, YIN Lu, WANG Hai-lin, HAN Zhi-gang. Stripping of cladding light at different angles: theoretical and experimental studies[J].Chinese Optics, 2019, 12(5): 1124-1130.doi:10.3788/CO.20191205.1124

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Stripping of cladding light at different angles: theoretical and experimental studies

doi:10.3788/CO.20191205.1124

1.
School of Science, Nanjing University of Science and Technology, Nanjing 210094, China
2.
MIIT Key Laboratory of Advanced Solid Laser, Nanjing University of Science and Technology, Nanjing 210094, China

Funds:

National Key Research and Development Program of China2017YFF0107103

National Natural Science Foundation of China61875087

More Information

Corresponding author:WANG Hai-lin, E-mail:hailin@mail.njust.edu.cn; HAN Zhi-gang, E-mail:hannjust@163.com
Received Date:29 Oct 2018
Rev Recd Date:02 Jan 2019
Publish Date:01 Oct 2019

Abstract

Abstract

In fiber lasers, there are cladding lights with different transmission angles. In order to study the stripping effects of corroded cladding light strippers(CLS) on cladding light at various angles, we measured the scattering coefficient of the corroded section of the fiber. Meanwhile, we also simulated the relationship between the attenuation and the corrosion length of the cladding light at different transmission angles. To produce cladding light at different angles, we built two sets of stripper test systems:one to test the CLS made of double-clad fiber and one to test the coreless fiber. In the double-clad fiber experiment, the maximum transmission angle of the two-system cladding light was changed from 10° to 3°12' and from 8° to 3°1'. These angles deviate from the maximum transmission angle of light in the core by 2°27'. In the coreless fiber experiment, the maximum transmission angle of the two-system cladding light was changed from 11° to 2°9' and from 8° to 2°12'. The maximum transmission angle approaches 0° as the cladding light attenuation increases. Finally, we tested the corroded cladding light stripper made of double-clad fiber on the tandem-pumped laser with a wavelength of 1 018 nm. The cladding light attenuation was 18.3 dB at an input power of 1 136 W.
- fiber laser,
- high power,
- cladding light stripper,
- transmission angle

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References (18)

References

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