Abstract
We describe a high-speed, two-frame shadowgraph method for the two-dimensional visualization of an expanding laser-induced plasma and shock wave in two time instances. The developed experimental method uses a , green-laser, polarized pulse for the direct and delayed illumination separated by a variable time delay in the range from to . Since the exposed images of a single event are captured with two CCD cameras, the established method enables velocity measurements of the fast laser-induced phenomena within the nanosecond excitation- laser pulse as well as at later times—when the excitation-laser radiation has already ended.
© 2011 Optical Society of America
Full Article | PDF ArticleMore Like This
Vid Agrež, Tomaž Požar, and Rok Petkovšek
Opt. Lett. 45(6) 1547-1550 (2020)
Joachim Noack and Alfred Vogel
Appl. Opt. 37(19) 4092-4099 (1998)
Zhi Yang, Hengzhu Bao, Lunan Dai, Hongchao Zhang, and Jian Lu
Opt. Express 31(13) 21845-21862 (2023)