6.二向色滤光片
美国Andover公司的二向色性滤光片（颜色分离滤光片），可用于隔离特定范围的可见光谱，少量应用于颜色增补以及影印机中的颜色平衡。
二向色性滤光片在将入射光分为两束或更多的光束中发挥着很大的作用，下面的光谱图反映的光谱曲线是在正入射的情况下得到的，但是在其他应用中，例如颜色的结合中，入射角为45°也是可取的。
产品技术参数描述： |
General Specifications |
Size Tolerance: |
+0.0mm/-0.25mm |
Thickness: |
1.0mm ±0.25mm |
Minimum Clear Aperture: |
95% of O.D. |
Substrate Material: |
Soda Lime Glass |
Flatness: |
3 to 5 wave per 25mm |
Parallelism: |
3 Arc minutes or better |
Surface Quality: |
80/50 Per MIL-O-13830B |
Coating Quality: |
40/20 Per MIL-O-13830B |
Humidity and Abrasion: |
Per MIL-C-675A |
Max Operating Temperature: |
+100°C |
Mechanical: |
Not mounted in metal holders |
增色滤光片（color additive filtters）
红光增色滤波片选型表 |
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Filter type |
25mm Ø |
50mm Ø |
50mm sq. |
Red additive filter |
585FD62-25 |
585FD62-50 |
585FD62-50S |
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绿光增色滤波片选型表 |
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Filter type |
25mm Ø |
50mm Ø |
50mm sq. |
Green additive filter |
540FD66-25 |
540FD66-50 |
540FD66-50S |
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蓝光增色滤波片选型表 |
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Filter type |
25mm Ø |
50mm Ø |
50mm sq. |
Blue additive filter |
505FD64-25 |
505FD64-50 |
505FD64-50S |
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2)减色滤光片（color subtractive filtters） |
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青色减色滤光片 |
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Filter type |
25mm Ø |
50mm Ø |
50mm sq. |
Cyan subtractive filter |
590FD24-25 |
590FD24-50 |
590FD24-50S |
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洋红减色滤光片 |
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Filter type |
25mm Ø |
50mm Ø |
50mm sq. |
Magenta subtractive filter |
550FD26-25 |
550FD26-50 |
550FD26-50S |
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黄色减色滤光片 |
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Filter type |
25mm Ø |
50mm Ø |
50mm sq. |
Yellow subtractive filter |
520FD22-25 |
520FD22-50 |
520FD22-50S |
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3)反射滤光片（Reflectible filters:） |
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红色反射滤光片 |
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Filter type |
25mm Ø |
50mm Ø |
50mm sq. |
Red reflective filter |
580FD70-25 |
580FD70-50 |
580FD70-50S |
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蓝色反射滤光片 |
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Filter type |
25mm Ø |
50mm Ø |
50mm sq. |
Blue reflective filter |
475FD68-25 |
475FD68-50 |
475FD68-50S |
4）Andover 二向色滤光片Data sheet，请点击下载
