Special Properties |
· High quality optical glass |
·Practically bubble and inclusion free |
· Very clear and colorless appearance |
· Economy |
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Typical Applications |
·General optical applications |
· Mirror substrates |
·Substrates for mirror coatings |
·Substrate for filter coatings |
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Technical Specifications For BK7 Optical glass Material |
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Laser Optex provide two level BK7 optical window from the stock. |
BK7 Windows |
High Precision |
High Precision |
Specifications |
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Diameter Tolerance |
+0.0/-0.1mm |
+0.0/-0.1mm |
Thickness tolerance |
±0.2mm |
±0.2mm |
Clear Aperture |
>80% |
>80% |
Parallelism |
<10 seconds |
3' |
Surface Quality |
10-5 scratch and dig |
60-40 scratch and dig |
Wavefront Distortion |
λ/10 per 25mm at 632nm |
λ per 25mm at 632nm |
Bevel |
< 0.35mm×45° |
<0.35mm×45° |
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Standard stock |
High Precision |
Standard |
Part No. |
Dimension mm |
Part No. |
Dimension mm |
BKH106 |
Φ10×6 |
BKS103 |
Φ10×3 |
BKH106 |
Φ25×6 |
BKS153 |
Φ15×3 |
BKH5010 |
Φ50×10 |
BKS251 |
Φ25×1 |
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BKS252 |
Φ25×2 |
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BKS253 |
Φ25×3 |
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BKS503 |
Φ50×3 |
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