Test method of detection sensitivity of starring laser detecting systems
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Department of Optics and Electron Engineering, Ordnance Engineering College, Shijiazhuang 050003, China
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Received Date:
2008-11-20
Accepted Date:
2009-03-02
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Abstract
In order to study the detection sensitivity of a starring laser detecting system, considering the features of the starring laser detecting system and the fact that the detected laser energy varying with different view field angle, based on the available measure condition in laboratory,an indirect method was presented to test the detection sensitivity in laboratory. Probable problems in each part of the design were analyzed, and their resolution methods were put forward accordingly. Based on the experimental setup, experiments were carried out and the detection sensitivity was obtained at seven view angles.the detection sensitivity in center view field reaches 0.259nJ/cm2 with a relative deviation of 3.4%～4.2%. The measurement error was also theoretically analyzed. The test results confirm that the method is feasible and practical, and the accuracy meets the requirement. This method is useful for the design of high precision test systems.
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