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Laser & Optoelectronics Progress, Volume. 58, Issue 23, 2312004(2021)

Laser Parameter Measurement Technology of Kilowatt Stack Laser Based on Integrating Sphere

Yonghao Tian1,2, Fang Bai1, Yunfeng Ma1,2、*, Wang Cheng1, Guangyan Guo1, Sinan Zhang1,2, Chenxuan Yin1,2, Peng Zhao1, Nan Jiang1, and Zhongwei Fan1
Author Affiliations
  • 1Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
  • 2School of Optoelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
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    References (22)
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    Figures & Tables(7)
    Schematic diagram of the diaphragm

    Fig. 1. Schematic diagram of the diaphragm

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    Diaphragm design schematic. (a) Distance between the aperture and the laser array and the aperture gap width; (b) angles of the upper and lower surfaces of the apertures; (c) aperture width; (d) size of aperture outlet

    Fig. 2. Diaphragm design schematic. (a) Distance between the aperture and the laser array and the aperture gap width; (b) angles of the upper and lower surfaces of the apertures; (c) aperture width; (d) size of aperture outlet

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    Schematic diagram of integrated test device for power and spectrum of 1 kW laser array output laser

    Fig. 3. Schematic diagram of integrated test device for power and spectrum of 1 kW laser array output laser

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    Schematic diagram of integrated test device for power and spectrum of a single bar output laser of 1 kW laser array

    Fig. 4. Schematic diagram of integrated test device for power and spectrum of a single bar output laser of 1 kW laser array

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    Integrated test results of output laser power and spectrum of 1 kW laser array. (a) Power; (b) spectrum

    Fig. 5. Integrated test results of output laser power and spectrum of 1 kW laser array. (a) Power; (b) spectrum

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    Integrated test results of laser power and spectrum of 10 bars of 1 kW laser array. (a)-(c) Power resultswhen I=110 A, I=80 A, and I=50 A; (d)-(f) spectrum results when I = 110 A, I=80 A, and I = 50 A

    Fig. 6. Integrated test results of laser power and spectrum of 10 bars of 1 kW laser array. (a)-(c) Power resultswhen I=110 A, I=80 A, and I=50 A; (d)-(f) spectrum results when I = 110 A, I=80 A, and I = 50 A

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    Power scan test results of 10 bars of laser array. (a) Move from bottom to top; (b) move from top to bottom

    Fig. 7. Power scan test results of 10 bars of laser array. (a) Move from bottom to top; (b) move from top to bottom

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    Yonghao Tian, Fang Bai, Yunfeng Ma, Wang Cheng, Guangyan Guo, Sinan Zhang, Chenxuan Yin, Peng Zhao, Nan Jiang, Zhongwei Fan. Laser Parameter Measurement Technology of Kilowatt Stack Laser Based on Integrating Sphere[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2312004

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Mar. 12, 2021

    Accepted: Apr. 7, 2021

    Published Online: Nov. 18, 2021

    The Author Email: Ma Yunfeng (mayf100612@aircas.ac.cn)

    DOI:10.3788/LOP202158.2312004

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology