Acta Optica Sinica, Volume. 38, Issue 9, 0912004(2018)

Splicing Detection Technique of Homogeneity of Large-Aperture Laser Neodymium Glass

Yunbo Bai1、*, You Zhou1, Shijie Liu1、*, Jianda Shao1, and Longbo Xu2
Author Affiliations
  • 1 Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2 School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
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    Figures & Tables(11)
    Schematic of two sub-aperture splicing[7]
    Schematic of sub-aperture distribution
    Schematic of detection device of optical homogeneity
    Raw wavefront
    Pixel displacement versus RMS difference of wavefront
    Mechanical design diagram of air-float guide
    Physical picture of splicing detection device
    Homogeneity measurement results of 400 mm×400 mm fused quartz. (a) Direct measurement; (b) local comparison; (c) splicing measurement
    Homogeneity measurement results of 810 mm×460 mm laser neodymium glass
    Homogeneous feature distributions of single aperture and same region after splicing
    • Table 1. Comparison of measurement results of single aperture and same region after splicing

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      Table 1. Comparison of measurement results of single aperture and same region after splicing

      PartSingle aperture measurement result /10-6Splicing measurement result /10-6
      11.31.2
      21.81.6
      31.91.8
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    Yunbo Bai, You Zhou, Shijie Liu, Jianda Shao, Longbo Xu. Splicing Detection Technique of Homogeneity of Large-Aperture Laser Neodymium Glass[J]. Acta Optica Sinica, 2018, 38(9): 0912004

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Mar. 2, 2018

    Accepted: Apr. 23, 2018

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/AOS201838.0912004

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