Lasers, Fiber Optics, and Communications

Influence of outgassing organic contamination on the transmittance and laser‐induced damage of SiO2 sol‐gel antireflection film

[+] Author Affiliations
Liang Yang

University of Electronic Science and Technology of China, School of Physical Electronics, Chengdu 610054, China

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

Xia Xiang, Zhijie Li, Zhonghua Yan, Xiaotao Zu

University of Electronic Science and Technology of China, School of Physical Electronics, Chengdu 610054, China

Xinxiang Miao, Guorui. Zhou, Xiaodong Yuan, Wanguo Zheng

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

Opt. Eng. 54(12), 126101 (Dec 08, 2015). doi:10.1117/1.OE.54.12.126101
History: Received September 14, 2015; Accepted October 29, 2015
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Abstract.  The influence of organic contamination (rubber outgassing) on the transmittance of the SiO2 sol‐gel antireflection (AR) film and laser‐induced damage threshold (LIDT) at 355 nm for 3ω AR film and at 1064 nm for 1ω AR film is studied. The correlation between the contamination time and the transmittance loss/LIDT of 1ω/3ω AR film is also investigated both in atmospheric and vacuum environments. The results show that the transmittance loss increases with increasing contamination time, and the LIDT decreases with increasing contamination time for both in atmospheric and vacuum environments. In addition, the resistance against contamination of the 1ω film is stronger than 3ω film, and the contamination is more serious in vacuum than in an atmosphere environment for the same contamination time. Meanwhile, the damage mechanism is also discussed. It indicated that both the porous structure and photo‐thermal absorption contribute to the decreasing LIDT of the sol‐gel AR film.

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© 2015 Society of Photo‐Optical Instrumentation Engineers

Citation

Liang Yang ; Xia Xiang ; Xinxiang Miao ; Zhijie Li ; Guorui. Zhou, et al.
"Influence of outgassing organic contamination on the transmittance and laser‐induced damage of SiO2 sol‐gel antireflection film", Opt. Eng. 54(12), 126101 (Dec 08, 2015). ; http://dx.doi.org/10.1117/1.OE.54.12.126101


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