Abstract

This paper will discussion multiple flash lidar camera options and will compare sensitivity by calculating the required energy to map a certain area under specific conditions. We define two basic scenarios, and in each scenario look at bare earth 3D imaging, 3D imaging with 64 grey levels, or 6 bits of grey scale, 3D imaging with 3 return pulses from different ranges per detector element, and 3D imaging with both grey scale and multiple returns in each detector. We will compare Gieger Mode Avalanche Photo-Diodes, GMAPDs, Linear Mode Avalanche PhotoDiodes, LMAPDs, and low bandwidth cameras traditionally used for 2D imaging, but capable of being used for 3D imaging in conjunction with a rapid polarization rotation stage.

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