Review of development of laser active imaging technology in China and foreign countries

Abstract

Range-gated laser active imaging technology is an effective way to image detection and precise tracking of remote, dark, and small targets that overcomes the shortcomings of passive visible or infrared imaging technology, thus has important practical value and broad application prospects in the military. The paper based on the analysis of its principle, technical advantages and key technologies focus on the typical systems under atmospheric conditions at home and abroad and the latest research results, and discusses the development trends of this technology.

Design and Implementation of High Precision Synchronization Controller for Gated Imaging

“…Since the laser was introduced into the imaging system in the 1970s, laser active imaging has become a research hotspot in many countries for its advantages of long imaging distance and clearer imaging. [1][2][3][4] However, in the process of laser imaging, as the imaging distance becomes longer, the image quality is affected more seriously by the backscattered light produced by atmospheric molecules and suspended particles, which seriously restricts the application of the imaging system. [5] Range gated imaging technology is based on controlling the relative delay between gating and laser pulse, which can realize the target imaging at a specific distance.…”