Windows
BK7 Glass windows
Our uncoated windows are available in a variety of materials to suit the particular application.
Regular price
£136.00
| Model | Window type | Quantity | Diameter (mm) | Price | Order |
|---|---|---|---|---|---|
| W-BK7-STD12.7-5 | Standard Window | 5 pack | 12.7 | £136.00 | |
| W-BK7-STD12.7-10 | Standard Window | 10 pack | 12.7 | £144.00 | |
| W-BK7-STD12.7-20 | Standard Window | 20 pack | 12.7 | £168.00 | |
| W-BK7-STD25.4-5 | Standard Window | 5 pack | 25.4 | £140.00 | |
| W-BK7-STD25.4-10 | Standard Window | 10 pack | 25.4 | £152.00 | |
| W-BK7-STD25.4-20 | Standard Window | 20 pack | 25.4 | £176.00 | |
| W-BK7-STD50.8-5 | Standard Window | 5 pack | 50.8 | £152.00 | |
| W-BK7-STD50.8-10 | Standard Window | 10 pack | 50.8 | £192.00 | |
| W-BK7-STD50.8-20 | Standard Window | 20 pack | 50.8 | £288.00 | |
| W-BK7-HP12.7-5 | High Precision Window | 5 pack | 12.7 | £152.00 | |
| W-BK7-HP12.7-10 | High Precision Window | 10 pack | 12.7 | £184.00 | |
| W-BK7-HP12.7-20 | High Precision Window | 20 pack | 12.7 | £208.00 | |
| W-BK7-HP25.4-5 | High Precision Window | 5 pack | 25.4 | £160.00 | |
| W-BK7-HP25.4-10 | High Precision Window | 10 pack | 25.4 | £200.00 | |
| W-BK7-HP25.4-20 | High Precision Window | 20 pack | 25.4 | £240.00 | |
| W-BK7-HP50.8-5 | High Precision Window | 5 pack | 50.8 | £180.00 | |
| W-BK7-HP50.8-10 | High Precision Window | 10 pack | 50.8 | £240.00 | |
| W-BK7-HP50.8-20 | High Precision Window | 20 pack | 50.8 | £368.00 |
Summary Box:
Our uncoated windows are available in a variety of materials to suit the particular application.Description:
The uncoated windows can be made from BK7 glass, fused silica, CaF2 and Sapphire. This range of materials allows broadband transmission to be tailored to the desired wavelength. BK7 windows are transparent from 330-2100nm with a refractive index of 1.5164 at 588nm. The BK7 window offers good performance over visible and near IR spectrum for a variety of applications.Specifications:
| BK7 Windows | ||||||||||
| Product | Quantity | Diameter (mm) | Thickness (mm) | Coating Range | Material | Surface quality | Clear Aperture | Surface Flatness (per 25mm) | Parallelism | Damage Threshold |
| Standard Window | 5 | 12.7 | 3 | Uncoated | BK7 | 60-40 | > 80% | λ @ 633nm | < 1 arc min | >10J/cm2 |
| Standard Window | 10 | 12.7 | 3 | Uncoated | BK7 | 60-40 | > 80% | λ @ 633nm | < 1 arc min | >10J/cm2 |
| Standard Window | 20 | 12.7 | 3 | Uncoated | BK7 | 60-40 | > 80% | λ @ 633nm | < 1 arc min | >10J/cm2 |
| Standard Window | 5 | 25.4 | 3 | Uncoated | BK7 | 60-40 | > 80% | λ @ 633nm | < 1 arc min | >10J/cm2 |
| Standard Window | 10 | 25.4 | 3 | Uncoated | BK7 | 60-40 | > 80% | λ @ 633nm | < 1 arc min | >10J/cm2 |
| Standard Window | 20 | 25.4 | 3 | Uncoated | BK7 | 60-40 | > 80% | λ @ 633nm | < 1 arc min | >10J/cm2 |
| Standard Window | 5 | 50.8 | 3 | Uncoated | BK7 | 60-40 | > 80% | λ @ 633nm | < 1 arc min | >10J/cm2 |
| Standard Window | 10 | 50.8 | 3 | Uncoated | BK7 | 60-40 | > 80% | λ @ 633nm | < 1 arc min | >10J/cm2 |
| Standard Window | 20 | 50.8 | 3 | Uncoated | BK7 | 60-40 | > 80% | λ @ 633nm | < 1 arc min | >10J/cm2 |
| High Precision Window | 5 | 12.7 | 3 | Uncoated | BK7 | 10-5 | > 80% | λ/10 @ 633nm | < 10 arc sec | >10J/cm2 |
| High Precision Window | 10 | 12.7 | 3 | Uncoated | BK7 | 10-5 | > 80% | λ/10 @ 633nm | < 10 arc sec | >10J/cm2 |
| High Precision Window | 20 | 12.7 | 3 | Uncoated | BK7 | 10-5 | > 80% | λ/10 @ 633nm | < 10 arc sec | >10J/cm2 |
| High Precision Window | 5 | 25.4 | 3 | Uncoated | BK7 | 10-5 | > 80% | λ/10 @ 633nm | < 10 arc sec | >10J/cm2 |
| High Precision Window | 10 | 25.4 | 3 | Uncoated | BK7 | 10-5 | > 80% | λ/10 @ 633nm | < 10 arc sec | >10J/cm2 |
| High Precision Window | 20 | 25.4 | 3 | Uncoated | BK7 | 10-5 | > 80% | λ/10 @ 633nm | < 10 arc sec | >10J/cm2 |
| High Precision Window | 5 | 50.8 | 3 | Uncoated | BK7 | 10-5 | > 80% | λ/10 @ 633nm | < 10 arc sec | >10J/cm2 |
| High Precision Window | 10 | 50.8 | 3 | Uncoated | BK7 | 10-5 | > 80% | λ/10 @ 633nm | < 10 arc sec | >10J/cm2 |
| High Precision Window | 20 | 50.8 | 3 | Uncoated | BK7 | 10-5 | > 80% | λ/10 @ 633nm | < 10 arc sec | >10J/cm2 |
