BK7 Windows
BK7 is a pure optical borosilicate-crown glass material and is a high quality choice for a window, substrate or wafer. Mainly for the visible spectrum and near IR it is supplied for industrial, medical and high precision lower power laser applications with AR coatings applied for increased transmission. BK7 windows are used to protect elements and optical enclosures between two environments, they are made from large blocks of stocked glass so can be polished to a wide size range.
UQG optics BK7 windows are made as diameters, squares and rectangles to a standard stock range or custom made to your design.
Please contact our sales team.
View RoHS Statement
| Dimensions: | Diameters 3mm to 300mm |
| Squares/Rectangles 1mm x 1mm to 300mm x 500mm | |
| Thickness Range: | 0.10 to 50mm (subject to dimension) |
| Dimension/Thickness: | Tol up to 0.02mm |
| Surface Quality: | 80/50 to 20/10 scratch/dig |
| Surface Finish: | 60/40 |
| Surface Flatness: | Up to lambda 10 (@633nm) |
| Parallelism: | Up to 10 seconds |
| Coating Options: | AR single layer, multi layer & V coatings |
| Options: | Drilled holes, edges polished, bevelled angles, wedges & shapes |
Please contact us for discount pricing for stock parts over 10+ and volume/OEM quantities.
Part numbers listed with enquire, please contact us for prices & delivery times.
Select Your Currency:
| Part No | Data sheet |
Description | Thickness (mm) | Dimensions (mm) | Unit price (1-10) excl. VAT |
Qty |
Qty (10+)Volume pricing available for 10+, please add to quote. |
|---|---|---|---|---|---|---|---|
| WBK-251 | BK7 Window | 1 | Ø 25 | $12.50 | |||
| WBK-252 | BK7 Window | 2 | Ø 25 | $13.75 | |||
| WBK-253 | BK7 Window | 3 | Ø 25 | $15.00 | |||
| WBK-503 | BK7 Window | 3 | Ø 50 | $32.50 |
Part Number
WBK-251
BK7 Window
PDF Data sheet
Thickness (mm) 1
Dimensions (mm) Ø 25
Focal Length (mm) 0
UNIT PRICE (1-10)
$12.50 Inc. VAT
Part Number
WBK-252
BK7 Window
PDF Data sheet
Thickness (mm) 2
Dimensions (mm) Ø 25
Focal Length (mm) 0
UNIT PRICE (1-10)
$13.75 Inc. VAT
Part Number
WBK-253
BK7 Window
PDF Data sheet
Thickness (mm) 3
Dimensions (mm) Ø 25
Focal Length (mm) 0
UNIT PRICE (1-10)
$15.00 Inc. VAT
Part Number
WBK-503
BK7 Window
PDF Data sheet
Thickness (mm) 3
Dimensions (mm) Ø 50
Focal Length (mm) 0
UNIT PRICE (1-10)
$32.50 Inc. VAT
