光学元件标识升级公告
光学材质：N-BK7
工作波长：350 nm-2.0 μm
用途：光路偏转
光学材质：紫外熔融石英
工作波长：200 nm-2.1 μm
光学材质：CaF2
工作波长：200 nm-8.0 μm
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