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Scan Patterns Measurement of a Risley-prism System

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Abstract

An exact scan footprint formula of beam refracted by Risley-prism is derived. Based on this, a prototype of a Risley-prism system is designed to prove the exact beam footprint model. A scan patterns measurement method is proposed and measurement apparatus is set up to measure the footprint. The comparison of simulation results and measurement results indicate the correctness of the exact formula and the rationality of the measurement method.

© 2014 Optical Society of America

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