Octagonal pyramid optical splitting system in nanosecond framing camera

Baozhong Shan; Baoping Guo; Shuyan Wang; Hanben Niu

doi:10.1117/12.725256

11 January 2007 Octagonal pyramid optical splitting system in nanosecond framing camera

Baozhong Shan, Baoping Guo, Shuyan Wang, Hanben Niu

Proceedings Volume 6279, 27th International Congress on High-Speed Photography and Photonics; 62792J (2007) https://doi.org/10.1117/12.725256
Event: 27th International congress on High-Speed Photography and Photonics, 2006, Xi'an, China

Abstract

The high-speed photography is essential diagnostic tool in research on the ultra fast process. Usually, such process has the duration of hundreds nanoseconds to dozens microseconds. The image diagnostic instrumentation is required to obtain high speed framing images, which should be in fixed time in the duration with short exposure time and suitable gap. A kind of nanosecond framing camera has been developed, which uses octagonal pyramid mirror to split one image to eight. One image is split to eight in the space and each split image has equal optical energy. A nearly-pasted image intensifier with gate selection is also developed to enhance the weak optical image. Each channel uses independent image intensifier with gate and CCD camera. This system can capture eight images one time in the minimum interval time of 10ns while the exposure time is 3ns The framing speed achieves 100 million/second. The dynamic spatial resolution achieves 15 lp/mm. Many experiments, such as beam diagnose of electron pulse, plasma luminescence process have adopted this camera and many useful results have been obtained.

Citation Download Citation

Baozhong Shan, Baoping Guo, Shuyan Wang, and Hanben Niu "Octagonal pyramid optical splitting system in nanosecond framing camera", Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 62792J (11 January 2007); https://doi.org/10.1117/12.725256

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