强Laser光在凝聚介质中传输的全光控制
All-optical Control of the Propagation of Intense Laser Light in Condensed Media
摘要：
我们通过实验证明了在强超短激光脉冲通过氟化钡和蓝宝石等晶体的传播过程中发生的光学控制。通过旋转入射激光辐射的偏振平面来进行控制，并通过六光子吸收诱导的荧光直接可视化在体中的双折射来证明，同时，通过探测所产生的白光的光谱和空间特性来证明。
英文摘要：
We experimentally demonstrate optical control of filamentation that occurs during propagation of intense, ultrashort laser pulses through crystals like barium fluoride and sapphire. Control is exercised by rotating the plane of polarization of the incident laser radiation and is demonstrated by directly visualizing filamentation in the bulk via six-photon absorption-induced fluorescence and, concomitantly, by probing the spectral and spatial properties of white light that is generated.
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