Generation of strongly coupled plasmas by high power excimer laser

Yongxiang Zhu; Jingru Liu; Yongsheng Zhang; Yun Hu; Jiyan Zhang; Zhijian Zheng; Xisheng Ye

doi:10.1117/12.2011141

16 May 2013 Generation of strongly coupled plasmas by high power excimer laser

Yongxiang Zhu, Jingru Liu, Yongsheng Zhang, Yun Hu, Jiyan Zhang, Zhijian Zheng, Xisheng Ye

Proceedings Volume 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012); 879615 (2013) https://doi.org/10.1117/12.2011141
Event: 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 2012, Xi'an, Shaanxi, China

Abstract

(ultraviolet). To generate strongly coupled plasmas (SCP) by high power excimer laser, an Au-CH-Al-CH target is used to make the Al sample reach the state of SCP, in which the Au layer transforms laser energy to X-ray that heating the sample by volume and the CH layers provides necessary constraints. With aid of the MULTI-1D code, we calculate the state of the Al sample and its relationship with peak intensity, width and wavelength of laser pulses. The calculated results suggest that an excimer laser with peak intensity of the magnitude of 10¹³W/cm² and pulse width being 5ns - 10ns is suitable to generate SCP with the temperature being tens of eV and the density of electron being of the order of 10²²/cm^-3. Lasers with shorter wavelength, such as KrF laser, are preferable.

Citation Download Citation

Yongxiang Zhu, Jingru Liu, Yongsheng Zhang, Yun Hu, Jiyan Zhang, Zhijian Zheng, and Xisheng Ye "Generation of strongly coupled plasmas by high power excimer laser", Proc. SPIE 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 879615 (16 May 2013); https://doi.org/10.1117/12.2011141

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