BK7 window from Fuzhou Siaon Optoelectronic

BK7 window from FuzhouSiaon Optoelectronic

Fuzhou Siaon Optoelectronic Technology Co., Ltd. provideBK7 window

BK7 window is the most common type of window, it has good performance over visible and near infrared wavelength region. The refractive index is 1.5168 at 587.6nm.

Material:BK7 Grade A Optical Glass

Dimension Tolerance:+0.0/-0.2mm

Thickness Tolerance:+0.0/-0.2mm

Clear Aperture: >85%

Flatness: λ/2@632.8nm

Surface Quality:60-40

Parallelism:1 arc min

Bevel:0.2mm to 0.5mm x 45°

Coating:Uncoated