Wedge, also named Wedge Prism, is of high precision light deviation, high precision dimension control and large size. For those features, they are widely used in projection optical systems, imaging systems, optical measurement & optical display systems. |
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| BK7 Wedge |
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| Specifications: |
| Material |
BK7 grade A optical glass |
| Design Wavelength |
632.8nm |
| Design Index |
1.51467¡À0.0005 |
| Dimension Tolerance |
+0.00/-0.10mm |
Thickness Tolerance |
¡À0.2mm |
| Clear Aperture |
>80% |
| Surface Quality |
60-40 S/D |
Wedge Angle Tolerance |
< 1 arc minute |
Flatness |
λ/4 @632.8nm |
| Protective Bevel |
<0.25mm x 45¡ã |
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| BK7 Wedge Standard Products: |
Part No. |
¦Õ (mm) |
¦Â (mm) |
¦Á (mm) |
PWG0101 |
25.4 |
1° |
1°57' |
PWG0201 |
25.4 |
2° |
3°53' |
PWG0301 |
25.4 |
4° |
7°46' |
PWG0401 |
25.4 |
6° |
11°39' |
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| Fused Silica Wedge |
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| Specifications: |
| Material |
UV grade fused silica |
| Design Wavelength |
308nm |
| Design Index |
1.48575¡À0.00005 |
| Dimension Tolerance |
+0.00/-0.10mm |
Thinkness Tolerance |
¡À0.2mm |
| Clear Aperture |
>80% |
| Surface Quality |
60-40 S/D |
Wedge Angle Tolerance |
< 1 arc minute |
Flatness |
λ/4 @632.8nm |
| Protective Bevel |
<0.25mm x 45¡ã |
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| Fused Silica Wedge Standard Products: |
Part No. |
¦Õ (mm) |
¦Â (mm) |
¦Á (mm) |
PWG0101 |
25.4 |
1° |
2°4' |
PWG0201 |
25.4 |
2° |
4°7' |
PWG0301 |
25.4 |
4° |
8°14' |
PWG0401 |
25.4 |
6° |
12°21' |
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Note: Other sizes and coatings are available upon request.
The general tolerance specifications above provide a guideline regarding manufacturing capabilities for optics ranging in size from 3-100mm. The manufacturing limits are not absolute; tighter tolerances may be possible. Part specific tolerances may vary depending on component size, shape, and/or material. |
