D20mm Series Fused Silica Protective Window
Material: Quartz Fused Silica
Wavelength: 1064nm
Transmittance: 99.5%
Application: Fiber YAG Laser Cutting Welding Machine
Product name: YAG focusing lens
Uses: used in fiber lasers, YAG lasers over 1000W
Features: Coated with low absorption film using fused silica material. Equipped with a protective window,
The lens and window are separated to facilitate the use of water cooling system
Protective lens specification table / complete supply of specifications
No. Name Diameter (mm) Thickness (mm) Material
1 Laser Protection Lens D10 1, 1.5, 2, 3, 4, 5 k9, Quartz
2 Laser protection lens D12.7 1, 1.5, 2, 3, 4, 5 k9, quartz
3 Laser protection lens D15 1, 1.5, 2, 3, 4, 5 k9, quartz
4 Laser protection lens D16 1, 1.5, 2, 3, 4, 5 k9, quartz
5 Laser protection lens D20 1, 1.5, 2, 3, 4, 5 k9, quartz
6 Laser protection lens D25 1, 1.5, 2, 3, 4, 5 k9, quartz
7 Laser protection lens D25.4 1, 1.5, 2, 3, 4, 5 k9, quartz
8 Laser protection lens D30 1, 1.5, 2, 3, 4, 5 k9, quartz
9 Laser protection lens D38.1 1, 1.5, 2, 3, 4, 5 k9, quartz
Application: Widely used in protective window of laser equipment
Features: Fused silica/BK7 has low thermal expansion coefficient, laser protection lens, high light transmittance from UV to near range, low scattering and low cost.
Features: Coated with low absorption film using fused silica material. Equipped with a protective window,
The lens and window are separated to facilitate the use of water cooling system
technical parameter:
Diameter tolerance: +0.0, -0.13mm
Thickness tolerance: ±0.25mm
Clear aperture: >80%
Parallelism: <3 points arcmin
Surface: L/4@632.8nm
Surface Quality: 40/20S/D
