Original data of femtosecond laser ultraviolet synchronous switch feedback time drift
收藏科学数据银行2025-10-11 更新2026-04-23 收录
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资源简介：
This experiment uses a CCD camera to record the interference fringes on the focal plane and outputs the light intensity distribution of the selected area of the aperture to a CSV table at a frequency of 20Hz. In Matlab, the spatial Gaussian integration algorithm is used to unpack the phase change, that is, the time drift of the two pulse beams. The control program of the stepper motor reads and feeds back at a frequency of 2Hz to stabilize the time drift. The data we collected is divided into two parts. One is the data collected without enabling feedback, and the other is the data collected when feedback is enabled. In both cases, the actual collection time is about two hours.
提供机构：
Shanghai Institute of Optics and Fine Mechanics; University of Science and Technology of China
创建时间：
2025-10-11
