用1khz激光产生聚焦强度为3/spl倍/10/sup 18/ W/cm/sup 2/

O. Albert, H.-W. Wang, D. Liu, G. Mourou, Z. Chang
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引用次数: 0

摘要

只提供摘要形式。超高聚焦强度(>10/sup 18/ W/cm/sup 2/)对于在相对论状态下进行高场物理研究非常重要。千赫激光脉冲的聚焦必须使用非常小的光学器件。然而,聚焦强度受到光学像差和激光系统波前畸变的限制。我们使用的激光器是自制的1 kHz钛蓝宝石激光系统。激光器的振荡器产生宽带飞秒脉冲(120 nm FWHM)。
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Producing focused intensity of 3/spl times/10/sup 18/ W/cm/sup 2/ with a 1 kHz laser
Summary form only given. Ultrahigh focused intensities (>10/sup 18/ W/cm/sup 2/) is very important for high field physics studies at the relativistic regime. Very small number optics must be used for focusing of kHz laser pulses. However, the focused intensity is limited by the aberration of the optics and the wavefront distortion of the laser system. The laser we used is a home-built 1 kHz Ti:sapphlre laser system. The oscillator of the laser generates broadband femtosecond pulses (120 nm FWHM).
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