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金屬鍍膜型中性密度濾光片技術(shù)參數(shù)描述：
| 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% |
金屬鍍膜型中性密度濾光片選型表：
UV-VIS-NIR ND filters （UV-VIS-ND中性密度濾光片，熔融石英，250-2000nm）
| Optical Density O.D. | Nominal Transmittance (%) | 12.5mm? | 25mm? | 50mm? | 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 |
VIS-NIR ND filters （VIS-NIR中性密度濾光片，玻璃基底，350-2000nm）
| Optical Density O.D. | Nominal Transmission(%) | 12.5mm? | 25mm? | 50mm? | 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 |
2、吸收型中性密度濾光片
吸收型中性密度濾光片技術(shù)參數(shù)：
| 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 |
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