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线性偏振薄膜/N-BK7窗口片，三明治平片结构，辅有机械外壳
元件平面内透振方向一致
可用于产生特定偏振方向的线偏振光束
圆偏振薄膜/N-BK7窗口片，三明治平片结构，辅有机械外壳
可用于实现左/右旋圆偏振光和线偏振光之间的相互转化
操作简易，高性价比，大入射角
更高消光比
更高损伤阈值
更大工作温度范围
工作波长：420-1100 nm
金属线栅偏振薄膜/N-BK7窗口片，三明治平片结构，辅有机械外壳
工作波长：400-700 nm、700-1700 nm
包含两片薄膜线性偏振片
应用：连续降低亮度
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