减弱激光回波的隐身技术

针对激光主动探测技术对光电装备造成的探测威胁，提出了一种基于减弱猫眼效应的隐身技术。以夜视仪物镜为例，运用矩阵光学追迹法对这种隐身技术作定量分析，并用实验进行验证。研究结果表明:猫眼效应回波强度容易受到侦察环境和系统装配误差等因素的影响，例如:光敏面倾斜、离焦。因而，在有限改变光电设备光学结构及降低成像质量的前提下，人为地的制造一些装配误差可以减弱系统的猫眼效应，从而达到隐身的目的。这一技术能有效减少自身在军事对抗中被敌方侦察打击的概率，具有一定的军事参考价值。

Stealth technology by weakening the laser echoes

Aiming at the detection threat on photoelectric equipment caused by active laser detection technology, the stealth technology by weakening the cat's eye effect was studied in this paper. Take the night vision objective lens as an example, the stealth technology was studied quantitatively by means of matrix optics tracing, and was proved by experiments. The results show that the echo intensity of the cat's eye effect was affected easily by reconnaissance environment and system assembly errors, such as the tilt and the defocus of photosensitive surface. Thus, under the premise of the limited change optical structure of photoelectric devices and the reduction of their image quality, some assembly errors created artificially can weaken the cat's eye echo of the system, so as to achieve stealth. This technology can effectively reduce the probability of being detected and attacked by the enemy in military confrontation, so it has certain reference value in the military. Key words: stealth technology; echo; cat's eye effect; matrix optics