Abstract
High illumination resolution, which directly determines the applied characteristic of night vision system in flashlight or high light level condition, is an important performance parameter for evaluating the characteristic of low light level image intensifier used in high light level condition. In this article, according to the limited resolution test technique, the test principle, test condition and test method to high illumination resolution are described in detail associated with operation mode and protective way of low light level image intensifier. Test system for measuring the high illumination resolution has been founded based on the limited resolution test system. The value of high illumination for measuring the high illumination resolution has been calculated in theory and measured by illuminometer. High illumination resolution of low light level image intensifiers have been measured in test system, results show that high illumination resolution test system is satisfied the need for measuring high illumination resolution of low light level image intensifier, and test system output light illumination must be greater than 1×10<sup>3</sup> lux. Light of high illumination, which can be correctly measured by illuminometer, is transferred legitimately. That is worthwhile to evaluate the operational characteristic of low light level image intensifier.
Published Version
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