BK7 Glass windows
Windows

BK7 Glass windows

Our uncoated windows are available in a variety of materials to suit the particular application.
Regular price $174.00 $0.00
Model Window type Quantity Diameter (mm) Price Order
W-BK7-STD12.7-5 Standard Window 5 pack 12.7 $174.00

W-BK7-STD12.7-10 Standard Window 10 pack 12.7 $185.00

W-BK7-STD12.7-20 Standard Window 20 pack 12.7 $215.00

W-BK7-STD25.4-5 Standard Window 5 pack 25.4 $180.00

W-BK7-STD25.4-10 Standard Window 10 pack 25.4 $195.00

W-BK7-STD25.4-20 Standard Window 20 pack 25.4 $226.00

W-BK7-STD50.8-5 Standard Window 5 pack 50.8 $195.00

W-BK7-STD50.8-10 Standard Window 10 pack 50.8 $246.00

W-BK7-STD50.8-20 Standard Window 20 pack 50.8 $369.00

W-BK7-HP12.7-5 High Precision Window 5 pack 12.7 $195.00

W-BK7-HP12.7-10 High Precision Window 10 pack 12.7 $236.00

W-BK7-HP12.7-20 High Precision Window 20 pack 12.7 $267.00

W-BK7-HP25.4-5 High Precision Window 5 pack 25.4 $205.00

W-BK7-HP25.4-10 High Precision Window 10 pack 25.4 $256.00

W-BK7-HP25.4-20 High Precision Window 20 pack 25.4 $308.00

W-BK7-HP50.8-5 High Precision Window 5 pack 50.8 $231.00

W-BK7-HP50.8-10 High Precision Window 10 pack 50.8 $308.00

W-BK7-HP50.8-20 High Precision Window 20 pack 50.8 $471.00

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

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