Study on the technology of the high power XeF(C-A) laser with repetition mode

Li Yu; Lianying Ma; Aiping Yi; Chao Huang; Feng Zhu; Xiaoxia An; Yanlong Shen; Hang Qian; Xin Huang; Ke Huang; Ying Tang; Xisheng Ye; Jingru Liu

doi:10.1117/12.2011158

16 May 2013 Study on the technology of the high power XeF(C-A) laser with repetition mode

Li Yu, Lianying Ma, Aiping Yi, Chao Huang, Feng Zhu, Xiaoxia An, Yanlong Shen, Hang Qian, Xin Huang, Ke Huang, Ying Tang, Xisheng Ye, Jingru Liu

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Proceedings Volume 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012); 879623 (2013) https://doi.org/10.1117/12.2011158
Event: 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 2012, Xi'an, Shaanxi, China

Abstract

This paper presents the results of studies on high power photochemical XeF(C-A) laser with repetition mode. A new design of optical pumping source is proposed and the deposition efficiency is higher than 75 %. The form process and the temporal and spatial characteristics of the XeF₂ photodissociation wave are studied experimentally. The results indicate that when the deposition power is 12.5 MW/cm, the maximum brightness temperature reaches more than 25 kK and the photon flux obtained more than 4×10²³ photon s^-1cm^-2 in the VUV range of 130 nm~180 nm. A novel XeF(C-A) laser which can be operated in repetition mode has been developed based on surface discharge optical pumping technique. The ideal output energy results of 20 laser pulses are presented under different repetitive rates and their optimal experimental conditions. Output energies of more than 4J and better stability can be obtained when the laser device operates at 1, 2 and 5 Hz, respectively. When the gas feed rate is larger than 53L/s, the average energy of 20 laser pulses is up to 3.2J at the repetitive rate of 10Hz. The technology for the laser spectral narrowing is studied.

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Li Yu, Lianying Ma, Aiping Yi, Chao Huang, Feng Zhu, Xiaoxia An, Yanlong Shen, Hang Qian, Xin Huang, Ke Huang, Ying Tang, Xisheng Ye, and Jingru Liu "Study on the technology of the high power XeF(C-A) laser with repetition mode", Proc. SPIE 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 879623 (16 May 2013); https://doi.org/10.1117/12.2011158

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KEYWORDS

Prisms

Laser applications

Optical pumping

Pulsed laser operation

Laser development

Laser energy

High power lasers

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