Several key technologies of high-power laser reflector
Power excitationLight reflector mirrorSeveral key technologies
（Institute of Optoelectronics Technology, Chinese Academy of Sciences,Chengdu Shuangliu350mailbox, 610209）
SummaryAnalyzed the production of high-power continuousLaser reflectorThermal properties, defects, and processing techniques of materials,Several key issues to consider in the production of high-power laser reflectors have been proposed:The comprehensive thermal performance ratio of reflective mirror materialsS,Selection of microstructure, defect size, and crystal orientation of materials,And the design of processing technology. And introduced the experimental results.
Keywords:reflectorThermal performance defect roughness
Classification number of the middle imageTN 244
High power continuousLaser reflector（hereinafter referred to asreflector）It is the main optical component in high-energy continuous laser systems,The quality of it is good or bad,Directly affecting the performance of high-energy laser systems. past,People only focus on researching how to improve the reflectivity of mirrors,Measuring solely based on the quality of the surface coating layerreflectorGood or bad. With the rapid development of high-energy continuous laser technology,In laser systemsreflectorEnduring increasingly high power density,Traditional material and surface quality standards are no longer suitable for the needs of high-energy continuous laser systems. In current and future high-energy continuous laser systems,Constrained byreflectorThe performance factor is no longer just reflectivity,It also includes the thermal properties, microstructure, defects, crystal orientation, and processing technology of the reflective mirror material. And these factors,Not only in the past,Even now, it is often overlooked by our designers and processors. Therefore,This article will focus on analyzing the impact of these factors on mirrors.