A New Continuous Light Source for High-Speed Imaging

被引：0
|
作者：
Paton, R. T. [1 ]
Hall, R. E. [1 ]
Skews, B. W. [1 ]
机构：
[1] Univ Witwatersrand, Flow Res Unit, 1 Jan Smuts Ave, ZA-2050 Johannesburg, South Africa
来源：
SELECTED PAPERS FROM THE 31ST INTERNATIONAL CONGRESS ON HIGH-SPEED IMAGING AND PHOTONICS | 2017年 / 10328卷
关键词：
High frame rate; light source; Xenon; shock wave; Megaray;
D O I：
10.1117/12.2268869
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Xenon arc lamps have been identified as a suitable continuous light source for high-speed imaging, specifically high-speed Schlieren and shadowgraphy. One issue when setting us such systems is the time that it takes to reduce a finite source to the approximation of a point source for z-type schlieren. A preliminary design of a compact compound lens for use with a commercial Xenon arc lamp was tested for suitability. While it was found that there is some dimming of the illumination at the spot periphery, the overall spectral and luminance distribution of the compact source is quite acceptable, especially considering the time benefit that it represents.
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页数：5
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