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Proceedings Paper

Laser Trigger For High Speed Camera
Author(s): Rong-Seng Chang; Chin-Wu Lin; Tung Cheng
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Paper Abstract

High speed camera coorperated with laser trigger to catch high speed unpredictable events has many applications: such as scoring system for the end game of missile interception, war head explosive study etc. When the event happening in a very short duration, the repetition rate of the laser ranging must be as high as 5K herze and the pulse duration should be less than 10 nsec. In some environment, like inside the aircraft, the abailable space for high speed camera to set up is limited, large film capacity camera could not be used. In order to use the small capacity film, the exact trigger time for the camera are especially important. The target velocity, camera acceleration characteristics, speed regulation, camera size, weight and the ruggedness are all be considered before the laser trigger be designed. Electric temporal gate is used to measure the time of flight ranging datum. The triangular distance measurement principle are also used to get the ranging when the base line i.e. the distance between the laser transmitter and receiver are large enough.

Paper Details

Date Published: 1 September 1987
PDF: 9 pages
Proc. SPIE 0674, 17th Intl Congress on High Speed Photography and Photonics, (1 September 1987); doi: 10.1117/12.975557
Show Author Affiliations
Rong-Seng Chang, Chung Shan Inst. of Science & Tech (Taiwan)
Chin-Wu Lin, Chung Shan Inst. of Science & Tech (Taiwan)
Tung Cheng, Chung Shan Inst. of Science & Tech (Taiwan)


Published in SPIE Proceedings Vol. 0674:
17th Intl Congress on High Speed Photography and Photonics
Donald Hollingworth; Maurice W. McDowell, Editor(s)

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