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首页> 外文期刊>Optics Letters >Ultrasound measurements of cavitation bubble radius for femtosecond laser-induced breakdown in water
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Ultrasound measurements of cavitation bubble radius for femtosecond laser-induced breakdown in water

机译:超声测量空化气泡半径的飞秒激光在水中的分解

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摘要

A recently developed ultrasound technique is evaluated by measuring the behavior of a cavitation bubble that is induced in water by a femtosecond laser pulse. The passive acoustic emission during optical breakdown is used to estimate the location of the cavitation bubble's origin. In turn, the position of the bubble wall is defined based on the active ultrasonic pulse-echo signal. The results suggest that the developed ultrasound technique can be used for quantitative measurements of femtosecond laser-induced microbubbles.
机译:通过测量飞秒激光脉冲在水中引起的空化气泡的行为来评估最近开发的超声技术。光学击穿过程中的无源声发射用于估计空化气泡起源的位置。进而,气泡壁的位置是基于有效超声脉冲回波信号定义的。结果表明,开发的超声技术可用于飞秒激光诱导的微气泡的定量测量。

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