更新時間:2012-04-28 09:22:43
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●Product Description
smission Tolerances (at 550nm): | |
For OD <1.0 | ±0.05 OD from nominal |
For OD 1.0–3.0 | ±0.1 OD from nominal |
For OD >3.0 | ±0.2 OD from nominal |
Neutrality Tolerance |
The variation in optical density from 400 to 700nm will be less than 10% of the OD measured at 550nm |
Outer Dimension Tolerance | +0, -0.25mm (+0, -0.01”) |
Clear Aperture | 4mm less than nominal outside dimension |
Maximum Thickness | 4mm |
Substrate Material | Optical quality glass or UV-grade quartz |
Surface Quality | 80/50 scratch/dig per Mil-O-13830A |
Operating Temperature Range | -60°C to +80°C |
Coating | Vacuum-deposited metallic alloy, if not absorption glass type |
Construction |
Either (a) exposed, front-surface metalic coating, (b) metallic coating laminated and protected in a moisture-resistant assembly, or (c) absorption glass |
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