一、引言 激光可见光探针是激光等离子体研究中有效的诊断工具,能达到很高的时空分辨率。在钕玻璃激光打靶实验中,通常采用从打靶光分出一部分经倍频和受激喇曼前向散射来得到可见光探针。倍频和散射过程使光脉冲得到了压缩,但是,受激喇曼前向散射的压缩性 I. INTRODUCTION Laser visible light probe is an effective diagnostic tool in laser plasma research, which can achieve high spatial and temporal resolution. In neodymium glass laser targeting experiments, visible light probes are usually obtained by splitting a portion of the multiplied and stimulated Raman forward scatter from the target light. The frequency multiplication and scattering processes compress the light pulse, however, the compressibility of the stimulated Raman forward scattering