高性能反热镜（HotMirror)近红外800-1200nm平均反射R =95%(典型值大于97%)Near-infrared800-1200nm,averagereflectionR =95%(typicalvalues 97%)可见光450-650nm 平均透射率T =90%(典型值大于93%)。Visiblelight450-650nm,averagetransmitrateT =90%(typicalvalues 93%)。 石英玻璃 近红外800-1200nm平均反射R =90%(典型值大于92%)紫外区250-400nm 平均T〉=80%Quartzglass,near-infrared800-1200nm,averagereflectionR =90%(typicalvalues 92%)UV250-400nm,averageT〉=80%