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| Material: |
BK7A & UV Fused Silica |
| Surface Flatness: |
¦Ë/4@632.8nm |
| Transmission wavefront distortion: |
See table@632.8nm |
| Wedge: |
<1 arcmin |
| Surface Quality: |
20/10 on both sides |
| Dimension Tolerance: |
¡À0.1mm |
| Thickness Tolerance: |
¡À0.1mm |
| Clear Aperture: |
>90% of central diameter |
| Coating: |
Optional |
| Bevel: |
0.2mmx45¡ã |
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Product number |
Dimension |
Thickness |
TWD |
Material |
TWI-25.4x25.4D1.5-B |
25.4x25.4 |
1.5 |
¦Ë/4 |
BK7A |
TWI-25.4x25.4D2.0-B |
25.4x25.4 |
2.0 |
¦Ë/8 |
BK7A |
TWI-25.4x25.4D1.5-U |
25.4x25.4 |
1.5 |
¦Ë/4 |
UV FS |
TWI-25.4x25.4D2.0-U |
25.4x25.4 |
2.0 |
¦Ë/8 |
UV FS |
TWI-25.4D1.5-B |
¦Õ 25.4 |
1.5 |
¦Ë/8 |
BK7A |
TWI-25.4D2.0-B |
¦Õ 25.4 |
2.0 |
¦Ë/8 |
BK7A |
TWI-25.4D1.5-U |
¦Õ 25.4 |
1.5 |
¦Ë/8 |
UV FS |
TWI-25.4D2.0-U |
¦Õ 25.4 |
2.0 |
¦Ë/8 |
UV FS |
TWI-50.8x50.8D1.5-B |
50.8x50.8 |
1.5 |
¦Ë/4 |
BK7A |
TWI-50.8x50.8D2.0-B |
50.8x50.8 |
2.0 |
¦Ë/4 |
BK7A |
TWI-50.8D1.5-B |
¦Õ 50.8 |
1.5 |
¦Ë/4 |
BK7A |
TWI-50.8D2.0-B |
¦Õ 50.8 |
2.0 |
¦Ë/4 |
BK7A |
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¡¤All dimensions are in mm unless otherwise specified
¡¤Other sizes and special shapes are available upon request.
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