Mr. Bo Wang Profile

Bo Wang

at College of Intelligence Science and Technology, Na

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Proceedings Article | 9 August 2021 Paper

Influence of organic solvents on fused silica components with different high transmission films

Bo Wang, Feng Shi, Wan Li Zhang, Ci Song, Ye Tian, Gui Peng Tie, Shuai Xue

Proceedings Volume 11912, 1191208 (2021) https://doi.org/10.1117/12.2602105

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The fused silica optics are important functional ultraviolet optical elements in the high-power laser system. Contamination plays an extremely important role in laser-induced damage, which will affect the laser damage threshold of the components to varying degrees, and finally affects the output flux of high-power laser system. An organic solvent needs to be used to wipe the optical surface before applying it, and this process will introduce organic pollution. In addition, different optical films and organic solvents have different effects on the laser damage threshold of fused silica, which need to be studied further. In this work, the photo-thermal weak absorption platform was used to test the photothermal weak absorption of three samples before and after the organic solvent treatment. The first sample was tested on the surface of the fused silica substrate; the surface of the second sample was coated with aluminum oxide; and the surface of the third sample was coated with hafnium oxide. The results show that the use of ethanol can increase the photo-thermal weak absorption of the substrate by 29.6%; the photo-thermal weak absorption signal of the fused silica element coated with aluminum oxide is reduced by 20% after the surface is wiped with ethanol; the fused silica element with hafnium oxide coated on the surface reduces the photo-thermal weak absorption signal by 33%. The experimental results verify the feasibility of using ethanol to wipe fused silica components.

Proceedings Article | 9 August 2021 Paper

Influence of organic solvents on fused silica components with different high transmission films

Bo Wang, Feng Shi, Wan Li Zhang, Ci Song, Ye Tian, Gui Peng Tie, Shuai Xue

Proceedings Volume 11912, 1191208 (2021) https://doi.org/10.1117/12.2602105

Read Abstract +

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