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Acousto-optic interaction with the use of cylindrical ultrasonic waves in the laser cavity

机译:在激光腔中使用圆柱形超声波进行声光相互作用

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摘要

In this paper, acousto-optic interaction between laser light and cylindrical airborne ultrasound in both He-Ne laser and argon-ion laser cavities is considered. The modulation properties of these acousto-optic systems were studied. The schlieren technique has been used to visualize a cylindrical ultrasonic wave generated in the air by radial vibration of a cylindrical piezoelectric shell. It was revealed that acoustic nonlinear effects together with acoustic absorption appear in the vicinity of the axis, where the ultrasound is focused. The observed waveforms of ultrasonic wave correspond to the curves of modulation of laser light.
机译:在本文中,考虑了氦氖激光腔和氩离子激光腔中激光与圆柱形机载超声之间的声光相互作用。研究了这些声光系统的调制特性。 schlieren技术已被用于可视化由圆柱形压电壳的径向振动在空气中产生的圆柱形超声波。已经发现,声非线性效应和声吸收一起出现在聚焦超声的轴附近。观察到的超声波波形对应于激光的调制曲线。

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