Design And Optimization Of Integrated Optical System For Imaging And Communication In Laser Communication

The design and research of laser imaging and communication integration is an important research field in the field of space laser communication.In the integration of laser imaging and communication,the design and optimization of integrated optical system integrating image and communication functions is a core Key technology.Therefore,it is necessary to optimize the design and research of the optical system in laser communication.Based on the existing research results at home and abroad,this paper proposes an imaging and communication integrated optical system with both imaging function and communication function,and optimizes the optical system.This thesis firstly carried out detailed domestic and international dynamic research on space laser communication system,laser imaging technology and optical system in space optical communication,and summarized,summarized and analyzed in all aspects.Based on the existing researches at home and abroad,this paper further proposes the overall structural design scheme of laser imaging and communication integrated optical system,and gives the design idea and detailed principle structure diagram.The design and optimization of the optical antenna subsystem in the design of the integrated laser imaging and communication optical system is the most technically difficult.The design of the optical antenna subsystem is directly related to whether the entire imaging and communication optical system can be completed.The imaging function of the target object,and the communication function of transmitting the laser of the specified band range with the specified information.Therefore,this thesis focuses on the analysis and research of the design and optimization of the optical antenna subsystem,and gives detailed simulation results,designed a variety of structures,including reflective,transmissive,optical lens systems with different lens counts.In this thesis,the experimental and performance tests of the integrated imaging and communication optical system have been carried out.The experimental results show that the integrated optical system of imaging and communication can complete the expected technical indicators,which can not only complete the imaging function,but also complete the Specifies the communication function for transmitting light waves.In this thesis,the optimization research of imaging and communication integrated optical system is carried out.The whole optical system is optimized by changing the way of transmitting light wave of optical antenna subsystem and changing the number of lenses,so that the whole imaging and communication integrated optical system The image quality is excellent and the structure is small and light.This thesis completes a laser imaging and communication integrated optical system structure that can passively image distant target objects and communicate information between two places through designated laser light waves.The optical system can work in the 55 nm to 1100 nm range,with a long transmission distance and a maximum transmission distance of 10 km.The optical system has excellent imaging quality and accurate imaging.