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Proceedings Paper

Perfect Optical Compensator With 1:1 Shutter Ratio Used For High Speed Camera
Author(s): Rong Zhihong
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Paper Abstract

An optical compensator used for high speed camera is described. The method of compensation, the analysis of the imaging quality and the result of experiment are introduced. The compensator consists of pairs of parallel mirrors. It can perform perfect compensation even at 1:1 shutter ratio. Using this compensator a high speed camera can be operated with no shutter and can obtain the same image sharpness as that of the intermittent camera. The advantages of this compensator are summarized as follows: . While compensating, the aberration correction of the objective would not be damaged. . There is no displacement and defocussing between the scanning image and the film in frame center during compensation. Increasing the exposure angle doesn't reduce the resolving power. . The compensator can also be used in the projector in place of the intermittent mechanism to practise continuous (non-intermittent) projection without shutter.

Paper Details

Date Published: 1 March 1983
PDF: 5 pages
Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); doi: 10.1117/12.967714
Show Author Affiliations
Rong Zhihong, Chinese Academy of Sciences (China)


Published in SPIE Proceedings Vol. 0348:
15th Intl Congress on High Speed Photography and Photonics
Lincoln L. Endelman, Editor(s)

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