D20mm Series Fused Silica Laser Protective Window for 1064nm Fiber Laser Machine

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