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We manufacture Birefringent Filter in crystalline quartz to our customers. The crystal axis of our birefringent filter is parallel to the face of the plates. They are used in dye laser tuning and laser line narrowing. |
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| Specifications: |
| Material |
Crystal quartz |
| Diameter Tolerance |
+0.00/-0.10mm |
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Thickness (nT) |
0.50mm |
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Thickness Tolerance |
¡À0.02mm (Standard), up to ¡À0.002mm |
| Clear Aperture |
>Central 90% of diameter |
| Surface Quality |
40-20 S/D (Standard), up to 10-5 S/D |
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Parallelism |
< 5 arc seconds (Standard), up to 1 arc second |
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Wavefront Distortion |
¦Ë/10 @632.8nm (Standard), up to ¦Ë/20 @632.8nm |
| Protective Bevel |
<0.2mm x 45¡ã |
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Coating |
Uncoated | |
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| Birefringent Filter Standard Products: |
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Diameter(mm) |
¦Õ10.0 |
¦Õ15.0 |
¦Õ20.0 |
¦Õ25.4 |
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Part No. |
FBF0101 |
FBF0201 |
FBF0301 |
FBF0401 | |
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| Note: The general tolerance specifications above provide a guideline regarding manufacturing capabilities for optics ranging in size from 1-200mm. The manufacturing limits are not absolute; tighter tolerances may be possible. Part specific tolerances may vary depending on component size, shape, and/or material. |
