Effect of gas atmosphere and pressure on 351 nm laser-induced damage threshold of fused silica

xu shi-zhen; zheng wan-guo; sun jiu-xun; yin wei; yuan xiao-dong; zu xiao-tao

Volume 20 Issue 10

Oct. 2008

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Article Navigation > High Power Laser and Particle Beams > 2008 > 20(10): 0-

zhang yizhao, fu yanbiao, dong chenzhong, et al. Theoretical study on dielectronic recombination rate coefficient of Rb-like W37+ ions[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

xu shi-zhen, zheng wan-guo, sun jiu-xun, et al. Effect of gas atmosphere and pressure on 351 nm laser-induced damage threshold of fused silica[J]. High Power Laser and Particle Beams, 2008, 20.

zhang yizhao, fu yanbiao, dong chenzhong, et al. Theoretical study on dielectronic recombination rate coefficient of Rb-like W37+ ions[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

xu shi-zhen, zheng wan-guo, sun jiu-xun, et al. Effect of gas atmosphere and pressure on 351 nm laser-induced damage threshold of fused silica[J]. High Power Laser and Particle Beams, 2008, 20.

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Effect of gas atmosphere and pressure on 351 nm laser-induced damage threshold of fused silica

1.
Department of Applied Physics,University of Electronic Science and Technology of China,Chengdu 610054,China;
2.
Research Center of Laser Fusion,CAEP,P.O.Box 919-988,Mianyang 621900,China

Publish Date: 2008-10-15

Abstract

Abstract

S∶1, 1∶1 and R∶1 laser damage tests for fused silica were performed under different gas atmosphere (air, O2, N2) and pressures (10-3~105 Pa) with 351 nm Nd:YLF laser. The results show that laser-induced damage threshold(LIDT) via 1∶1 and S∶1 tests are almost the same in different gas atmosphere and pressures. The LIDT via R∶1 tests are more liable to pressure than gas atmosphere. The R∶1 threshold of fused silica under pressures lower than 103 Pa decrease by 28%~41% compared with that at 105 Pa. Under equal pressure but different gas atmosphere the R∶1 threshold has less than 10% deviation, which is within the measurement error. The multi-pulse irradiation resistant property for different gas atmosphere and pressures were also studied under irradiation of half of the damage thresho
- nd:ylf laser,
- fused silica,
- gas atmosphere,
- pressure,
- laser-induced damage threshold

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