精选国产a∨精选一区二区,一二三四社区在线中文视频,国产片AV国语免费,日日噜噜夜夜狠狠视频无码,国产在线精品无码不卡手机免费,亚洲精品国产精品乱码不卡,国产一区二区三区,久久人人爽人人爽人人AV

   Diamond is an excellent optical material with high transmittance in the whole band from X-ray to microwave. For example, MPCVD single crystal diamond can be made into the energy transmission window of high-power laser devices, but also can be made into the diamond window of space detectors. Diamond has the characteristics of heat shock resistance, chemical corrosion resistance and mechanical wear resistance, and has been studiedand applied in infrared window, microwave window, high power laser window, thermal imaging system window, X-ray window and other aspects.