Single-shot visualization of evolving, light-speed structures by multiobject-plane phase-contrast imaging.
Single-shot visualization of evolving, light-speed structures by multiobject-plane phase-contrast imaging.
复制标题
通过多目标平面相衬成像对不断变化的光速结构进行单次可视化。
DOI：
10.1364/ol.38.005157
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发表时间：
2013
期刊：
影响因子：
3.6
通讯作者：
M. Downer
中科院分区：
文献类型：
--
作者：
Zhengyan Li;C. Pai;Yen;R. Zgadzaj;Xiaoming Wang;M. Downer
我们演示了一种单次方法，可以可视化光速激光生成结构在脆弱介质中传播数百个瑞利长度（通常≥10厘米）时的演变。超短探测脉冲以小角度 (θ<5°) 和特定时间延迟穿过物体的路径。然后，对相位调制探头的副本进行中继成像，以沿着传播路径将探测器与选定的物平面分开。基于克尔效应和非线性吸收的相衬技术将相位调制转换为强度调制，从而提高了脆弱介质中的灵敏度。重建探针相位调制沿传播路径的连续记录。
We demonstrate a single-shot method of visualizing the evolution of light-speed, laser-generated structures as they propagate over hundreds of Rayleigh lengths (typically ≥10 cm) through a tenuous medium. An ultrashort probe pulse crosses the object's path at a small angle (θ<5°) and a specific time delay. Copies of the phase-modulated probe are then relay-imaged to separate detectors from selected object planes along the propagation path. A phase-contrast technique based on Kerr effect and nonlinear absorption converts phase to intensity modulation, improving sensitivity in tenuous media. A continuous record of the probe phase modulation along the propagation path is reconstructed.
影响因子：
19.6
作者：
Buck, Alexander;Nicolai, Maria;Veisz, Laszlo
通讯作者：
Veisz, Laszlo