BK7

BK7

Transmission range	340 nm ~ 2000 nm
Thermal Expansion Coefficient	7,3x10^-6 C-1, for -30/+70 C
Specific Heat Capacity	Capacity 0.858 x 103 J / (kg x °C)
Density	2,51 g/cm³

Choose your items

or tell us your request

Attention! You can customise this product to your needs.

Description Tables

BK7 is a borosilicate crown optical glass with high homogeneity and low bubble and inclusion content. Its good physical and chemical properties, inexpensiveness make it widely used in visible and NIR large variety optical components: windows, lenses or prisms.

BK7 Refractive Index

Wavelength, Microns	Refractive Index
0,4047	1,53024
0,365	1,53626
0,4800	1,52283
0,5893	1,51673
0,6563	1,51432
0,7065	1,51289
0,8521	1,50981
1,0600	1,50669
1,5296	1,50094
1,9700	1,49500
2,3254	1,48929

Order your item

No catalog items for this product. Please contact [email protected]

Customize

You can customise this product to your needs. If you do not find suitable specifications for your application please contact us for custom solution.

Fill form

InStockOptics

Laser optics direct from stock. All products are inspected at metrology laboratory, certified and delivered worldwide direct from European Union.

Visit e-Shop