• Laser & Optoelectronics Progress
  • Vol. 59, Issue 17, 1714010 (2022)
Wenhao Li*, Weiwei Shi, Guanhua Li, Xiaofeng Li, Yuanfang Cheng, and Haiwei Zhang
Author Affiliations
  • State-Owned Luoyang Dancheng Radio Factory, Luoyang 471000, Henan , China
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    DOI: 10.3788/LOP202259.1714010 Cite this Article Set citation alerts
    Wenhao Li, Weiwei Shi, Guanhua Li, Xiaofeng Li, Yuanfang Cheng, Haiwei Zhang. Application Research of Laser Cleaning Technology in Equipment Repair[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1714010 Copy Citation Text show less
    Principle of the laser cleaning
    Fig. 1. Principle of the laser cleaning
    Surface morphologies of metal substrates before and after the test. (a) Before cleaning; (b) after cleaning (pulse energy of 0.5 mJ); (c) after cleaning (pulse energy of 1.0 mJ)
    Fig. 2. Surface morphologies of metal substrates before and after the test. (a) Before cleaning; (b) after cleaning (pulse energy of 0.5 mJ); (c) after cleaning (pulse energy of 1.0 mJ)
    Surface topography of wood substrate before and after experiment. (a) Before cleaning; (b) after cleaning
    Fig. 3. Surface topography of wood substrate before and after experiment. (a) Before cleaning; (b) after cleaning
    Surface topography of circuit board substrate before and after experiment. (a) Before cleaning; (b) after cleaning
    Fig. 4. Surface topography of circuit board substrate before and after experiment. (a) Before cleaning; (b) after cleaning
    Surface topography of glass substrate before and after experiment. (a) Before cleaning; (b) after cleaning
    Fig. 5. Surface topography of glass substrate before and after experiment. (a) Before cleaning; (b) after cleaning
    ParameterConditionValue
    Center wavelength /nm-1064
    Average output power /W-200
    Repetition rate /kHz-10‒50
    Spectral half width /nmP=Pmax≤10
    Spot diameter /mmP=Pmax6-8
    Pulse width /nsP=Pmax10/20/30/60/100/200/250/350
    Maximum single pulse energy /mJP=Pmax1.5
    Output optical fibers length /m-3
    Table 1. Parameters of RFL-P200MX pulsed fiber laser
    Serial numberSubstrate materialAdhesive
    1metal plateGD-414
    2woodGD-414
    3circuit boardE-4X
    4glassHM304
    Table 2. Samples of laser cleaning experiment
    Wenhao Li, Weiwei Shi, Guanhua Li, Xiaofeng Li, Yuanfang Cheng, Haiwei Zhang. Application Research of Laser Cleaning Technology in Equipment Repair[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1714010
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