Module of Fiber Coupled Diode Laser Based on 808 nm Single Emitters Combination

Hong-bo, 朱洪波 Zhu; Mingming, 郝明明 Hao; Hangyu, 彭航宇 Peng; Zhi-jun, 张志军 Zhang; Yun, 刘云 Liu; Li, 秦莉 Qin; Yongqiang, 宁永强 Ning; Lijun, 王立军 Wang

doi:10.3788/cjl201239.0502001

中国激光

2012

DOI: 10.3788/cjl201239.0502001

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Module of Fiber Coupled Diode Laser Based on 808 nm Single Emitters Combination

朱洪波 Zhu Hong-bo¹,

郝明明 Hao Mingming²,

彭航宇 Peng Hangyu³

et al.

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“…[7] In recent years, we have seen rapid development of beam combination and fiber-coupled modules. [8,9] For example, in 2016, Wang et al presented a fibercoupled module combining 14 single-emitter laser diodes into a fiber with core diameter of 105 µm and NA of 0.22, providing 120 W output power with the brightness of 9.1 MW/(cm 2 •sr). [10] Qi et al designed a module with 150 W output power using the same type of fiber based on 16 single-emitter laser diodes at the wavelength of 915 nm.…”

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confidence: 99%

High Coupling Efficiency of the Fiber-Coupled Module Based on Photonic-Band-Crystal Laser Diodes

Chen¹,

Wang²,

Qu³

et al. 2017

Chinese Phys. Lett.

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The coupling efficiency of the beam combination and the fiber-coupled module is limited due to the large vertical divergent angle of conventional semiconductor laser diodes. We present a high coupling efficiency module using photonic-band-crystal (PBC) laser diodes with narrow vertical divergent angles. Three PBC single-emitter laser diodes are combined into a fiber with core diameter of 105 μm and numerical aperture of 0.22. A high coupling efficiency of 94.4% is achieved and the brightness is calculated to be 1.7 MW/(cmsr) with the injection current of 8 A.

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confidence: 99%

High Coupling Efficiency of the Fiber-Coupled Module Based on Photonic-Band-Crystal Laser Diodes

Chen¹,

Wang²,

Qu³

et al. 2017

Chinese Phys. Lett.

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Researching the 915 nm high-power and high-brightness semiconductor laser single chip coupling module

Wang

et al. 2017

J. Semicond.

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Based on the high-speed development of the fiber laser in recent years, the development of researching 915 nm semiconductor laser as main pumping sources of the fiber laser is at a high speed. Because the beam quality of the laser diode is very poor, the 915 nm laser diode is generally based on optical fiber coupling module to output the laser. Using the beam-shaping and fiber-coupling technology to improve the quality of output beam light, we present a kind of high-power and high-brightness semiconductor laser module, which can output 13.22 W through the optical fiber. Based on 915 nm GaAs semiconductor laser diode which has output power of 13.91 W, we describe a thoroughly detailed procedure for reshaping the beam output from the semiconductor laser diode and coupling the beam into the optical fiber of which the core diameter is 105 m and the numerical aperture is 0.18. We get 13.22 W from the output fiber of the module at 14.5 A, the coupling efficiency of the whole module is 95.03% and the brightness is 1.5 MW/cm 2 -str. The output power of the single chip semiconductor laser module achieves the advanced level in the domestic use.

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Module of Fiber Coupled Diode Laser Based on 808 nm Single Emitters Combination

Cited by 2 publications

References 0 publications

High Coupling Efficiency of the Fiber-Coupled Module Based on Photonic-Band-Crystal Laser Diodes

High Coupling Efficiency of the Fiber-Coupled Module Based on Photonic-Band-Crystal Laser Diodes

Researching the 915 nm high-power and high-brightness semiconductor laser single chip coupling module

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