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| Specifications |
| Material: |
Calcium Fluoride single crystal |
| Diameter: |
We offer standard round windows with diameter from 10.0mm to 50.8mm. Some are listed below. |
| Thickness: |
from 1.0mm to 7.0mm |
| Parallelism: |
± 1~5 arc minutes |
| Clear Aperture: |
> 90%~95% central |
| Chamfer: |
< 0.25 mm at 45o |
| Antireflection Coating: |
single layer, multi-layer, customer specified |
| Part No. | Diameter | Thickness | Surface Quality | Surface Flatness |
| CFW0075 | 10.0 mm | 2.0 mm | 20-10 | l/4 |
| CFW0112 | 12.7 mm | 3.0 mm | 20-10 | l/4 |
| CFW0116 | 12.7 mm | 4.0 mm | 20-10 | l/4 |
| CFW0122 | 12.7 mm | 5.0 mm | 20-10 | l/4 |
| CFW0223 | 25.4 mm | 3.0 mm | 20-10 | l |
| CFW0227 | 25.4 mm | 4.0 mm | 20-10 | l |
| CFW0233 | 25.4 mm | 5.0 mm | 20-10 | l |
| CFW0240 | 25.4 mm | 6.0 mm | 20-10 | l |
| CFW0311 | 38.1 mm | 3.0 mm | 40-20 | l |
| CFW0316 | 38.1 mm | 4.0 mm | 40-20 | l |
| CFW0323 | 38.1 mm | 5.0 mm | 40-20 | l |
| CFW0441 | 50.8 mm | 3.0 mm | 60-40 | 2l |
| CFW0448 | 50.8 mm | 4.0 mm | 60-40 | 2l |
| CFW0453 | 50.8 mm | 5.0 mm | 60-40 | 2l |
| CFW0459 | 50.8 mm | 6.0 mm | 60-40 | 2l |
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