Study On The Vibration Misalignment Of Three-Dimension Optical System

Based on the requirement of the ATP technique in laser communications and high-energy laser weapons, the light-beam tracing equations under the vibration condition are developed by the theory of geometric optics, matrix optics and mechanical vibrations. And software named "Analysis on misalignment of optical system" was developed. The main work includes:1. Based on the theory of geometric optics and matrix optics, the vibration misalignment of light-beam propagating matrices of lens and planar reflector are derived. Due to these propagating matrices, the propagating recursion model of optical system is developed, which provides theoretical method of estimating and analyzing vibration misalignment of light-beam.2. Based on the linear elastic vibration theory and the finite element method, the dynamics method of the mode characteristics and vibration displacement response of the optical platform structure are described, and the dynamics response expressions under periodical vibration and random vibration are provided. All the above provides theoretical method of calculating the vibration misalignment of optics elements.3. Software named "Analysis on misalignment of optical system" was developed. The specifications of some key part are given, which provides the reference and the basis for the following development work.4. The finite element analysis was carried on to a ATP installment, and obtained this equipment structure modality characteristic. Based on the result, time domain dynamic response and frequency response of the optics-element's displacement and the light-beam's vibration misalignment are analyzed by using Analysis on misalignment of optical system software.