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METHOD AND SYSTEM FOR MEASURING THE PROPAGATION PROPERTIES OF A LIGHT BEAM
METHOD AND SYSTEM FOR MEASURING THE PROPAGATION PROPERTIES OF A LIGHT BEAM
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机译:测量光束传播特性的方法和系统
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摘要
A system for obtaining a propagation factor for determining the performance of a light beam (32) includes a light sensor (10), a lens element (30) operable to focus a beam from a light source to be tested towards the sensor element (10); wherein the lens element is a variable focus lens (30).
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