Laser optical fiber high-speed camera

Sheng-jie Xia; Ye-min Yang; Di-zhu Tang

doi:10.1117/12.23966

1 April 1991 Laser optical fiber high-speed camera

Sheng-jie Xia, Ye-min Yang, Di-zhu Tang

Proceedings Volume 1358, 19th Intl Congress on High-Speed Photography and Photonics; (1991) https://doi.org/10.1117/12.23966
Event: 19th International Congress on High-Speed Photography and Photonics, 1990, Cambridge, United Kingdom

Abstract

An optical fiber transformer as an optical shutter and a light source divider both, a shadowgraphic set as an image system and a polygonal cone as an image divider are employed to form a camera for high speed photography. One end of the fiber transformer is arranged in a row and other end is in a circle, and by means of a small high sensitive optical scanner, a laser beam is swept from one end to the other end of this row and flashed on the circle. A high speed shadowgraphic camera with multi-point light source rounded within 1 0mm in dia. is obtained. The framing rate will be 1 o6 pp or more and the exposure time of each frame will be O.8jts or less if an 1 KHz scanner is used. Sixteen shadowgrams can be obtained at a time. The distance between any two fibers can be adjusted individually to get the records with nonequal time interval to match the event under study. The high speed interferography will be made if the single mode fibers are used. The framing rate can also be increased by use of a faster scanner and a more power laser.

Citation Download Citation

Sheng-jie Xia, Ye-min Yang, and Di-zhu Tang "Laser optical fiber high-speed camera", Proc. SPIE 1358, 19th Intl Congress on High-Speed Photography and Photonics, (1 April 1991); https://doi.org/10.1117/12.23966

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