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3D Imaging Flash Lidar System by Polarization Modulating

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Abstract

Based on polarization-modulating, a 3D imaging lidar system was established. In the lidar receiving system, the returned light was separated into two orthogonal polarized components with polarization beam splitting. The polarizations of two splitting components were modulated, and then are received by two electron multiplying charge-coupled devices (EMCCD), respectively. Therefore, time-resolved imaging could be implemented with the polarization-modulated method. Furthermore, this method can perform range-gated imaging since the photosensitive time is able to be controlled by electro-optic gating. Based on this structure, both a depth map and an intensity image can be reconstructed by one laser illumination pulse, which will enhance the performance of dynamic imaging. The system developing, imaging procedure and an elementary result were presented.

© 2016 Optical Society of America

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This paper was not presented at the conference

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