光学材质：N-BK7
提供单面或双面磨砂
120砂，220砂，600砂，1500砂可选
工作波长：350 nm-2.0 um
中心带对准孔
用途：消除光束的空间不均匀性，改善光束的质量
工作波长400 nm-2000 nm
带安装工程漫射体兼容30 mm同轴系统
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