Andover中性密度滤光片
中性密度滤光片
品牌:Andover
上海尖丰光电技术有限公司代理美国Andover厂家提供的中性密度滤光片可应用于宽带谱源的衰减器,也在光线平衡的反射镜中得到了很广泛的应用,还可以用作中性分光器。金属镀膜的中性滤光片可以通过在底层上镀金属膜来获得光学密度。吸收中性滤光片用Schott NG玻璃制作,由于玻璃的吸收率高,才使得我们得到理想中的衰减率。
中性密度滤光片
品牌:Andover
上海尖丰光电技术有限公司代理美国Andover厂家提供的中性密度滤光片可应用于宽带谱源的衰减器,也在光线平衡的反射镜中得到了很广泛的应用,还可以用作中性分光器。金属镀膜的中性滤光片可以通过在底层上镀金属膜来获得光学密度。吸收中性滤光片用Schott NG玻璃制作,由于玻璃的吸收率高,才使得我们得到理想中的衰减率。
一、中性密度滤光片
品牌:Andover
上海尖丰光电技术有限公司代理美国Andover厂家提供的中性密度滤光片可应用于宽带谱源的衰减器,也在光线平衡的反射镜中得到了很广泛的应用,还可以用作中性分光器。金属镀膜的中性滤光片可以通过在底层上镀金属膜来获得光学密度。吸收中性滤光片用Schott NG玻璃制作,由于玻璃的吸收率高,才使得我们得到理想中的衰减率。
1、金属镀膜型中性密度滤光片
金属镀膜型中性密度滤光片技术参数描述:
Thickness: 1.5 ±0.5mm
Dimensional Tolerances: +0/-0.2mm
Clear Aperture: 90% of outside dimension
Surface Quality: 80/50 per MIL-0-13830B
Coating Adherence: Per MIL-M-13508C
Humidity: Per MIL-STD-810F
Max. Operating Temperature: +100°C
Substrate Materials: Glass (350–2000nm region) or
fused silica (250–2000nm region)
Optical Quality: Glass: Flatness of 3–5 waves per inch and parallelism
of 3 arc minutes or better. Fused Silica: Flatness of λ/4
per inch and parallelism of 30 arc seconds or better.
Mechanical: Unmounted
Optional: Mounted in threaded ring - see pg 60 for thread sizes
Metallic Neutral Density Transmittance Specifications | |||||
Transmission Deviation From Normal | |||||
Optical Density (OD) |
Nominal Transmittance (%) |
250nm to 350nm |
350nm to 700nm |
700nm to 800nm |
800nm to 2000nm |
0.10 | 79.49 | ± 8% | ± 2% | ± 2% | ± 8% |
0.15 | 70.79 | ± 7% | ± 2% | ± 2% | ± 7% |
0.20 | 63.10 | ± 6% | ± 2% | ± 2% | ± 6% |
0.30 | 50.12 | ± 5% | ± 2% | ± 2% | ± 5% |
0.40 | 39.81 | ± 4% | ± 1.5% | ± 1.5% | ± 4% |
0.50 | 31.62 | ± 4% | ± 1.5% | ± 1.5% | ± 4% |
0.60 | 25.12 | ± 4% | ± 1.5% | ± 1.5% | ± 4% |
0.70 | 19.95 | ± 4% | ± 1.5% | ± 1.5% | ± 4% |
0.80 | 15.85 | ± 4% | ± 1.5% | ± 1.5% | ± 4% |
0.90 | 12.59 | ± 3.5% | ± 1.0% | ± 1.0% | ± 3.5% |
1.00 | 10.00 | ± 3.5% | ± 1.0% | ± 1.0% | ± 3.5% |
1.30 | 05.01 | ± 3.0% | ± 1.0% | ± 1.0% | ± 3.0% |
1.50 | 03.16 | ± 1.5% | ± 0.5% | ± 0.5% | ± 1.5% |
Optical Density O.D. |
Nominal Transmittance (%) |
12.5mmØ | 25mmØ | 50mmØ | 50mm x 50mm |
0.10 | 79.43 | 010FN46-12.5 | 010FN46-25 | 010FN46-50 | 010FN46-50S |
0.15 | 70.79 | 015FN46-12.5 | 015FN46-25 | 015FN46-50 | 015FN46-50S |
0.20 | 63.10 | 020FN46-12.5 | 020FN46-25 | 020FN46-50 | 020FN46-50S |
0.30 | 50.12 | 030FN46-12.5 | 030FN46-25 | 030FN46-50 | 030FN46-50S |
0.40 | 39.81 | 040FN46-12.5 | 040FN46-25 | 040FN46-50 | 040FN46-50S |
0.50 | 31.62 | 050FN46-12.5 | 050FN46-25 | 050FN46-50 | 050FN46-50S |
0.60 | 25.12 | 060FN46-12.5 | 060FN46-25 | 060FN46-50 | 060FN46-50S |
0.70 | 19.95 | 070FN46-12.5 | 070FN46-25 | 070FN46-50 | 070FN46-50S |
0.80 | 15.85 | 080FN46-12.5 | 080FN46-25 | 080FN46-50 | 080FN46-50S |
0.90 | 12.59 | 090FN46-12.5 | 090FN46-25 | 090FN46-50 | 090FN46-50S |
1.00 | 10.00 | 100FN46-12.5 | 100FN46-25 | 100FN46-50 | 100FN46-50S |
1.30 | 5.01 | 130FN46-12.5 | 130FN46-25 | 130FN46-50 | 130FN46-50S |
1.50 | 3.16 | 150FN46-12.5 | 150FN46-25 | 150FN46-50 | 150FN46-50S |
2.00 | 1.00 | 200FN46-12.5 | 200FN46-25 | 200FN46-50 | 200FN46-50S |
2.50 | 0.32 | 250FN46-12.5 | 250FN46-25 | 250FN46-50 | 250FN46-50S |
3.00 | 0.10 | 300FN46-12.5 | 300FN46-25 | 300FN46-50 | 300FN46-50S |
4.00 | 0.01 | 400FN46-12.5 | 400FN46-25 | 400FN46-50 | 400FN46-50S |
Optical Density O.D. |
Nominal Transmission(%) |
12.5mmØ | 25mmØ | 50mmØ | 50mm x 50mm |
0.10 | 79.43 | 010FN52-12.5 | 010FN52-25 | 010FN52-50 | 010FN52-50S |
0.15 | 70.79 | 015FN52-12.5 | 015FN52-25 | 015FN52-50 | 015FN52-50S |
0.20 | 63.10 | 020FN52-12.5 | 020FN52-25 | 020FN52-50 | 020FN52-50S |
0.30 | 50.12 | 030FN52-12.5 | 030FN52-25 | 030FN52-50 | 030FN52-50S |
0.40 | 39.81 | 040FN52-12.5 | 040FN52-25 | 040FN52-50 | 040FN52-50S |
0.50 | 31.62 | 050FN52-12.5 | 050FN52-25 | 050FN52-50 | 050FN52-50S |
0.60 | 25.12 | 060FN52-12.5 | 060FN52-25 | 060FN52-50 | 060FN52-50S |
0.70 | 19.95 | 070FN52-12.5 | 070FN52-25 | 070FN52-50 | 070FN52-50S |
0.80 | 15.85 | 080FN52-12.5 | 080FN52-25 | 080FN52-50 | 080FN52-50S |
0.90 | 12.59 | 090FN52-12.5 | 090FN52-25 | 090FN52-50 | 090FN52-50S |
1.00 | 10.00 | 100FN52-12.5 | 100FN52-25 | 100FN52-50 | 100FN52-50S |
1.30 | 5.01 | 130FN52-12.5 | 130FN52-25 | 130FN52-50 | 130FN52-50S |
1.50 | 3.16 | 150FN52-12.5 | 150FN52-25 | 150FN52-50 | 150FN52-50S |
2.00 | 1.00 | 200FN52-12.5 | 200FN52-25 | 200FN52-50 | 200FN52-50S |
2.50 | 0.32 | 250FN52-12.5 | 250FN52-25 | 250FN52-50 | 250FN52-50S |
3.00 | 0.10 | 300FN52-12.5 | 300FN52-25 | 300FN52-50 | 300FN52-50S |
4.00 | 0.01 | 400FN52-12.5 | 400FN52-25 | 400FN52-50 | 400FN52-50S |
General Specifications | |
Thickness: | 4.0mm (maximum) |
Dimensional Tolerances: |
±0.5mm |
Clear Aperture: | 90% of diameter |
Surface Quality: | 60/40 Per MIL-0-13830B |
Max. operating temperature: |
+100°C |
Substrate Material: |
Schott® absorption glass |
Optical Quality: | Flatness of 3 to 5 waves per inch and parallelism of 3 arc minutes or better |
Anti-Reflection Coatings |
< or = .5% avg. per surface from 400nm to 700nm |
Mechanical: | Not mounted in metal holder |