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Single-shot ultrafast sequential holographic imaging with high temporal resolution and a large field of view

机译：单次超快顺序全息全息成像，具有高时间分辨率和大视野

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摘要

A compact system for single-shot sequential holographic imaging (SSSHI) with high temporal resolution and a large field of view is proposed. In this system, a specially designed sequence pulse train generator with a group of diffractive gratings inserted is adopted to simultaneously generate the probe pulse train and the reference pulse train required for recording a single-shot spatial frequency division multiplexing hologram. The system successfully overcomes the walk-off effect of the ultrashort pulse laser in SSSHI and, hence, effectively avoids the influence of the short coherence of ultrashort pulses on the spatial resolution (or field of view) of SSSHI; the complexity of the system and the difficulty in the precise synchronous alignment of the probe and the reference pulses also can be greatly reduced. An experimental setup of the system was constructed, and a SSSHI of dynamical air plasmas induced by a femtosecond pulse laser is successfully realized. (C) 2019 Optical Society of America
机译：提出了一种具有高时间分辨率的单次顺序全息成像（SSSHI）的紧凑型系统和大视野。在该系统中，采用具有一组衍射光栅的专用设计的序列脉冲序列发生器，同时产生探针脉冲系和记录单射空间频分复用全息图所需的参考脉冲系。该系统成功地克服了SSSHI中超短脉冲激光器的步伐效果，因此有效地避免了超短脉冲短暂相干性对SSSHI的空间分辨率（或视野）的影响;系统的复杂性和探针的精确同步对准和参考脉冲的难度也可以大大降低。构造了系统的实验设置，成功地实现了由飞秒脉冲激光诱导的动态空气等离子体的SSSHI。 （c）2019年光学学会

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