Research Progress of Single-Shot Ultrafast Optical Imaging
Single-shot ultrafast optical imaging is a technique that can characterize transient events under universal conditions,opening the door to the study of nonrepeatable and difficult-to-reproduce ultrafast phenomena.It is an essential tool for exploring unknown fields and has great scientific and technological value.This article introduces the research progress of single-shot ultrafast optical imaging in recent years,including the principles,technical characteristics,applications,advantages,and limitations of typical representative technologies.Specifically,we summarize the active detection methods,focusing on 15 representative techniques in 5 subcategories.Then,we provide a brief explanation of the passive detection methods.Finally,we review the applicable scenes and existing problems of various single-shot ultrafast optical imaging techniques and discuss the possible development trend in the future.
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