Volume 46 Issue 5
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Ma Hongping, Cheng Xinbin, Zhang Jinlong, Wang Zhanshan, Tang Yongjian. Damage growth characteristics of artificial nodules prepared by different processes[J]. Infrared and Laser Engineering, 2017, 46(5): 521001-0521001(6). doi: 10.3788/IRLA201746.0521001
Citation: Ma Hongping, Cheng Xinbin, Zhang Jinlong, Wang Zhanshan, Tang Yongjian. Damage growth characteristics of artificial nodules prepared by different processes[J]. Infrared and Laser Engineering, 2017, 46(5): 521001-0521001(6). doi: 10.3788/IRLA201746.0521001
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Damage growth characteristics of artificial nodules prepared by different processes

doi: 10.3788/IRLA201746.0521001
  • 1.

    MOE Key Laboratory of Advanced Micro-Structured Materials,Tongji University,Shanghai 200092,China;

  • 2.

    Institute of Precision Optical Engineering,School of Physics Science and Engineering,Tongji University,Shanghai 200092,China;

  • 3.

    Research Center of Laser Fusion,China Academy of Engineering Physics,Mianyang 621900,China

  • Received Date: 2016-09-10
  • Rev Recd Date: 2016-10-20
  • Publish Date: 2017-05-25
  • Damage growth behaviors play an equal important role in limiting the laser resistance of high reflectors (HR) on high power laser systems as initial damage. In order to build damage mechanism and improve the laser resistance of coatings, it is necessary to obtain more information about damage growth behaviors. Thus a comparative experiment was designed to study the damage growth characteristics of different size of nodular defects in HfO2/SiO2 high reflectors working at 1 064 nm. Two kinds of HfO2/ SiO2 high reflectors were prepared by EB and IAD process, respectively, and four sizes of SiO2 microspheres were used to create artificial nodules in these films. Then the relationship between damage growth characteristics with nodule size and film deposition processes was studied. Laser damage test results showed that the damage growth threshold decreased with the increase of nodule size for all sizes of nodules in both EB and IAD coatings. The damage growth threshold were higher than the initial damage threshold for all four sizes of nodules in coatings prepared by EB process, however, the results were opposite for all four sizes of nodules in coatings prepared by IAD process. Besides, IAD nodules were more easily to grow than EB nodules, which indicated that the film deposition processes has some influence on the damage growth speed of nodules.
  • [1] Bu Yikun, Zhao Li, Zheng Quan, et al. Design method of high damage threshold laser mirror[J]. Infrared and Laser Engineering, 2006, 35(2):183-186. (in Chinese)卜轶坤, 赵丽, 郑权, 等. 高损伤阈值激光反射镜的设计方法[J]. 红外与激光工程, 2006, 35(2):183-186.
    [2] Huang Wei, Zhang Yundong. Study of damage mechanism and thermal distortion of optical coating components under CW high power laser radiation[J]. Optics and Precision Engineering, 1996, 4(5):61-66. (in Chinese)黄伟, 张云洞. 连续波强激光辐照下光学薄膜元件损伤机理和热畸变研究[J]. 光学精密工程, 1996, 4(5):61-66.
    [3] Han Jinghua, He Changtao, Zhang Qiuhui, et al. Morghological analysis of laser induced glass bulk damage by marker controlling watershed algorithm[J]. Optics and Precision Engineering, 2010, 18(6):1387-1395.(in Chinese)韩敬华, 何长涛, 张秋慧, 等. 应用标记控制分水岭分割算法研究激光诱导玻璃体损伤形貌[J]. 光学精密工程, 2010, 18(6):1387-1395.
    [4] Wu Xiaoye, Zhang Lichao, Shi Guang, et al. Optical thermal and optical-acoustics detecting techniques applied for the characterization of high performance optical thin films[J]. Chinese Optics, 2014, 7(5):701-711. (in Chinese)武潇野, 张立超, 时光, 等. 应用于高性能光学薄膜表征的光热光声检测技术[J]. 中国光学, 2014, 7(5):701-711.
    [5] Tang Wei, Ji Tongbo, Guo Jin, et al. Numerical analysis of HgCdTe crystal damaged by high repetition frequency CO2 laser[J]. Chinese Optics, 2013, 6(5):736-742. (in Chinese)汤伟, 吉桐伯, 郭劲, 等. 高重频CO2 激光损伤HgCdTe晶体的数值分析[J]. 中国光学, 2013, 6(5):736-742.
    [6] Cheng X, Zhang J, Ding T, et al. The effect of an electric field on the thermomechanical damage of nodular defects in dielectric multilayer coatings irradiated by nanosecond laser pulses[J]. Light, 2013, 2(6):e80.
    [7] Stolz C J, Tench R J, Kozlowski M R, et al. Comparison of nodular defect seed geometries from different deposition techniques[C]//Laser-Induced Damage in Optical Materials, 1996:374-382.
    [8] Cheng X, Wang Z. Defect-related properties of optical coatings[J]. Advanced Optical Technologies, 2014, 3(1):65-90.
    [9] Wang J. Laser-induced damage threshold prediction of dielectric enhanced mirrors at 1064 nm[C]//SPIE, 2015, 94530:94530S.
    [10] Stolz C J, Wolfe J E, Adams J J, et al. High laser-resistant multilayer mirrors by nodular defect planarization[Invited] [J]. Applied Optics, 2014, 53(4):A291-296.
    [11] Tench R J, Chow R, Kozlowski M R. Characterization of defect geometries in multilayer optical coatings[J]. Journal of Vacuum Science Technology A, 1994, 12(5):2808-2813.
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Damage growth characteristics of artificial nodules prepared by different processes

doi: 10.3788/IRLA201746.0521001
  • 1. MOE Key Laboratory of Advanced Micro-Structured Materials,Tongji University,Shanghai 200092,China;
  • 2. Institute of Precision Optical Engineering,School of Physics Science and Engineering,Tongji University,Shanghai 200092,China;
  • 3. Research Center of Laser Fusion,China Academy of Engineering Physics,Mianyang 621900,China
  • Received Date: 2016-09-10
  • Rev Recd Date: 2016-10-20
  • Publish Date: 2017-05-25

Abstract: Damage growth behaviors play an equal important role in limiting the laser resistance of high reflectors (HR) on high power laser systems as initial damage. In order to build damage mechanism and improve the laser resistance of coatings, it is necessary to obtain more information about damage growth behaviors. Thus a comparative experiment was designed to study the damage growth characteristics of different size of nodular defects in HfO2/SiO2 high reflectors working at 1 064 nm. Two kinds of HfO2/ SiO2 high reflectors were prepared by EB and IAD process, respectively, and four sizes of SiO2 microspheres were used to create artificial nodules in these films. Then the relationship between damage growth characteristics with nodule size and film deposition processes was studied. Laser damage test results showed that the damage growth threshold decreased with the increase of nodule size for all sizes of nodules in both EB and IAD coatings. The damage growth threshold were higher than the initial damage threshold for all four sizes of nodules in coatings prepared by EB process, however, the results were opposite for all four sizes of nodules in coatings prepared by IAD process. Besides, IAD nodules were more easily to grow than EB nodules, which indicated that the film deposition processes has some influence on the damage growth speed of nodules.

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