Abstract

This chapter covers the basics of scanning imaging systems that are designed to mitigate the effects of light scattering within the imaging medium on the resultant formed image. Descriptions of the basic principles of operation for the laser line scan system (LLS) and laser range gated system, are covered as well as details for the dual pyramidal and single hexagonal polygonal scanners. Aside from covering monostatic or quasi-monostatic scanner configurations, also discussed are bistatic and multistatic systems that can employ temporal or frequency division coding in the reconstruction of the scanned object space. This is followed by a brief review of 3D scanning imagers and those using optical wavelength or frequency conversion methodology.

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