Optical Window

Glass Optics Optical Window

Product TypePart NumberWavelength (nm)Diameter (mm)ET (mm)Material
Protective WindowWBK-0.5-2G53212.72.0N-BK7
Protective WindowWBK-24-1.4-YG532 / 106424.01.4N-BK7
Protective WindowWBK-25-1.1106425.01.1N-BK7
Protective WindowWBK-30-1.4106430.01.4N-BK7
Protective WindowWBK-38-3106438.03.0N-BK7
Protective WindowWBK-60-3106460.03.0N-BK7
Protective WindowWBK-72-3106472.03.0N-BK7
Protective WindowWBK-74-2.5G53274.02.5N-BK7
Protective WindowWBK-75-1.6G532/106475.01.6N-BK7
Protective WindowWBK-76-3106476.03.0N-BK7
Protective WindowWBK-78-1.5106478.01.5N-BK7
Protective WindowWBK-80-2.5532/106480.02.5N-BK7
Protective WindowWBK-84-2YG532 / 106484.02.0N-BK7
Protective WindowWBK-85-2106485.02.0N-BK7
Protective WindowWBK-86-2.5G532/106486.02.5N-BK7
Protective WindowWBK-96-3106496.03.0N-BK7
Protective WindowWBK-97-2.5106497.02.5N-BK7
Protective WindowWBK-98-2.5106498.02.5N-BK7
Protective WindowWBK-106-31064106.03.0N-BK7
Protective WindowWBK-108-2.5GR532 / 650108.02.5N-BK7
Protective WindowWBK-110-2.51064110.02.5N-BK7
Protective WindowWBK-116-21064116.02.0N-BK7
Protective WindowWBK-116-31064116.03.0N-BK7
Protective WindowWBK-118-3G532118.03.0N-BK7
Protective WindowWBK-120-31064120.03.0N-BK7
Protective WindowWBK-123-31064123.03.0N-BK7
Protective WindowWBK-126-3G532/1064126.03.0N-BK7
Protective WindowWBK-128-21064128.02.0N-BK7
Protective WindowWBK-150-31064150.03.0N-BK7
Protective WindowWFS-15-21030-109015.02.0Fused Silica
Protective WindowWFS-16-1.55-YG515-545 / 1030-109016.01.6Fused Silica
Protective WindowWFS-18-31030-109018.03.0Fused Silica
Protective WindowWFS-20-2-YG515-545 / 1030-109020.02.0Fused Silica
Protective WindowWFS-22-31030-109022.03.0Fused Silica
Protective WindowWFS-25-31030-109025.03.0Fused Silica
Protective WindowWFS-1-3UG1030-1090/515-545/343-35525.43.0Fused Silica
Protective WindowWFS-28-41030-109028.04.0Fused Silica
Protective WindowWFS-30-51030-109030.05.0Fused Silica
Protective WindowWFS-36-21030-109036.02.0Fused Silica
Protective WindowWFS-1.5-51030-109038.15.0Fused Silica
Protective WindowWFS-43-2G515-54543.02.0Fused Silica
Protective WindowWFS-50-1.51030-109050.01.5Fused Silica
Protective WindowWFS-55-1.51030-109055.01.5Fused Silica
Protective WindowWFS-70-9.51030-109070.09.5Fused Silica
Protective WindowWFS-90-3U343-35590.03.0Fused Silica
Protective WindowWFS-104-3U343-355104.03.0Fused Silica
Protective WindowWFS-104-31030-1090104.03.0Fused Silica
Protective WindowWFS-110-2.51030-1090110.02.5Fused Silica
Protective WindowWFS-110-31030-1090110.03.0Fused Silica
Protective WindowWFS-140-41030-1090140.04.0Fused Silica
Protective WindowWFS-150-31030-1090150.03.0Fused Silica
Protective WindowWFS-170-31030-1090170.03.0Fused Silica

Optical Window Medical Laser Window IR Window Diagram

From UV to VIS to IR wavelength, we have Fused Silica (WFS)/BK7 (WBK) optical windows, which are known for its low coefficient of thermal expansion, it has a high transmittance for light from ultraviolet to the near-infrared range, low scattering, and excellent cost-effectiveness. Coated Fused Silica windows are widely used in fiber laser cutting and welding systems.

Diameter Tolerance: +0/-0.25mm
Thickness Tolerance: ±0.25mm
Parallelism: ≤ 10arcsec or 30 ± 5arcmin
Clear Aperture: ≥ 85% of central diameter
Surface Quality: 10–5 Scratch & Dig
AR Coating: R≤0.25% per surface @ 1064nm (Single Wavelength) | R≤0.3% @ 1064nm (Dual Wavelength)
Damage Threshold: 10J/cm2, 10ns, 20Hz @ 1064nm (Single Wavelength) | 3.5J/cm2, 10ns, 20Hz @ 532nm (Dual Wavelength) | 7J/cm2, 10ns, 20Hz @ 1064nm (Dual Wavelength)

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