arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1606.05935physics.plasm-phphysics.optics
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纳米结构强力- laser清洁剂

Nanostructured intense-laser cleaner

Xiao Feng Li, Shigeo Kawata, Qing Kong, Ping Xiao Wang, Qin Yu, Yan Jan Gu, Jun Fan Qu

摘要:

提出了一种提高强激光对比度的纳米结构靶:当激光预脉冲照射纳米结构固体靶表面时,预脉冲被纳米结构表面有效地吸收。纳米结构尺寸应小于激光波长。在预脉冲吸收后,主脉冲的前部破坏了微结构,使表面成为平坦的等离子体镜。主脉冲的主体几乎被完美地反射。与传统的等离子体反射镜相比,纳米结构表面对强度高于10^14 W/cm 2的强激光预脉冲具有良好的吸收效果。纳米结构的激光清洁器将激光脉冲对比度提高了约一百倍。纳米结构的激光清洁器适用于下一代强激光器。

英文摘要:

A nanostructured target is proposed to enhance an intense-laser contrast: when a laser prepulse irradiates a nanostructured solid target surface, the prepulse is absorbed effectively by the nanostructured surface. The nanostructure size should be less than the laser wavelength. After the prepulse absorption, the front part of the main pulse destroys the microstructure and makes the surface a flat plasma mirror. The body of the main pulse is reflected almost perfectly. Compared with conventional plasma mirrors, the nanostructured surface is effective for the absorption of the intense laser prepulse, whose intensity is higher than 10^14 W/cm2. The nanostructured laser cleaner improves the laser pulse contrast by about a hundredfold. The nanostructured laser cleaner works well for next-generation intense lasers.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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