Our BK7 high precision optical window is ideally suitable for industrial and low power laser application. The design of 1/10λ surface accuracy effectively minimizes beam distortion as well as beam scatter. Broadband coating options expand the range of the precision windows through the visible and near-infrared spectrum. In the process of the conventional laser wavelength coating, laser coating will optimize the transmission and reflection properties at the specified laser wavelength through adopting the dielectric coating. This enhances the laser damage threshold and allows anti-reflection coatings to offer less than 0.2% reflectivity. For batch purchase, we could provide a more favorable price.
Technical Specifications
Description: Plano/Plano
Material: BK7
Diameter Tolerance: +0/-0.1mm
Thickness Tolerance: ±0.1mm
Flatness: λ/10 @632.8nm
Clear Aperture: 90%
Surface Quality: 20-10
Parallelism: <10arc sec
Bevel: <0.25mm x 45 º
Design Wavelength: 587.6nm
Note: The price per run of common single wavelength anti-reflection coating is shown below. However, the actual price will fluctuate frequently due to the influence of size, time, quantity, and exchange rate. If you want to know of the current price, you can contact us immediately. Moreover, please skim through the page of coating film on our website for more information.
| Catalog No. | Diameter (mm) | Thickness (mm) | Price-Uncoated | AR @ 1064nm Double Sides | |||
| 5--10 | 50-100 | 10p | 50p | 100p | |||
| BJP-WHB-6.0-3 | 6 | 3 | ($)11.6 | ($)7.3 | ($)43.9 | ($)15.3 | ($)12.1 |
| BJP-WHB-10.0-3 | 10 | 3 | ($)11.6 | ($)7.3 | ($)43.9 | ($)15.3 | ($)12.1 |
| BJP-WHB-12. 7-3 | 12.7 | 3 | ($)11.6 | ($)7.3 | ($)43.9 | ($)15.3 | ($)12.1 |
| BJP-WHB-15.0-3 | 15 | 3 | ($)11.6 | ($)7.3 | ($)43.9 | ($)15.3 | ($)12.1 |
| BJP-WHB-15.0-4 | 15 | 4 | ($)11.6 | ($)7.3 | ($)43.9 | ($)15.3 | ($)12.1 |
| BJP-WHB-20.0-4 | 20 | 4 | ($)11.6 | ($)7.3 | ($)43.9 | ($)15.3 | ($)12.1 |
| BJP-WHB-20.0-5 | 20 | 5 | ($)11.6 | ($)7.3 | ($)43.9 | ($)15.3 | ($)12.1 |
| BJP-WHB-25.0-4 | 25 | 4 | ($)13.5 | ($)8.5 | ($)45.8 | ($)16.5 | ($)13.3 |
| BJP-WHB-25.4-4 | 25.4 | 4 | ($)13.5 | ($)8.5 | ($)45.8 | ($)16.5 | ($)13.3 |
| BJP-WHB-30.0-4 | 30 | 4 | ($)15.5 | ($)9.7 | ($)47.7 | ($)17.7 | ($)14.5 |
| BJP-WHB-30.30-4 | 30x30 | 4 | ($)18.1 | ($)11.3 | ($)50.3 | ($)19.4 | ($)16.1 |
| BJP-WHB-40.0-3 | 40 | 3 | ($)18.1 | ($)11.3 | ($)50.3 | ($)19.4 | ($)16.1 |
| BJP-WHB-40.0-4 | 40 | 4 | ($)18.1 | ($)11.3 | ($)50.3 | ($)19.4 | ($)16.1 |
| BJP-WHB-42.0-3 | 42 | 3 | ($)19.4 | ($)12.9 | ($)51.6 | ($)21.0 | ($)17.7 |
| BJP-WHB-48.0-3 | 48 | 3 | ($)20.6 | ($)14.5 | ($)52.9 | ($)22.6 | ($)22.6 |
| BJP-WHB-50.0-4 | 50 | 4 | ($)20.6 | ($)14.5 | ($)52.9 | ($)22.6 | ($)22.6 |
| BJP-WHB-50.8-4 | 50.8 | 4 | ($)20.6 | ($)14.5 | ($)52.9 | ($)22.6 | ($)22.6 |
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