D21.5×2-PW-12KW Protective Lens
The D21.5×2-PW-12KW Protective Lens is a premium fused silica protective window designed for high-power fiber laser cutting heads up to 12kW. It protects the internal optical components from dust, smoke, molten metal, and welding spatter while maintaining excellent laser transmission and cutting performance.
- SKU: VLT-PW-D21.5X2-12KW
- Category: Laser Cutting Lens
Technical Specifications
| Product Name | D21.5×2-PW-12KW Protective Lens |
| Diameter & Thickness | 21.5 mm×2.0 mm |
| Laser Power | Up to 12kW |
| Material | Optical Grade Fused Silica (Quartz) |
| Coating | Double-Sided Anti-Reflective (AR) Coating |
| Laser Type | Fiber Laser |
| Wavelength | 1064–1080 nm |
| Application | Laser Cutting Machine |
| Transmission | ≥99.5% |
| Temperature Resistance | High Temperature Resistant |
| Features | High Precision, Scratch Resistant, Long Service Life |
Description
The D21.5×2-PW-12KW Protective Lens is manufactured from high-purity optical-grade fused silica with advanced anti-reflective (AR) coating for superior laser transmission and durability. Designed specifically for 12kW fiber laser cutting systems, this protective window shields expensive collimation and focusing lenses from contamination and damage.
Its precision-polished surface minimizes optical distortion and ensures stable laser output, resulting in cleaner cuts, improved efficiency, and extended laser head life. The lens offers exceptional resistance to high temperatures, thermal shock, and laser energy, making it ideal for continuous industrial operation.
Suitable for stainless steel, carbon steel, aluminum, brass, copper, and other metal cutting applications, this protective lens is an essential consumable for maintaining consistent cutting quality and reducing maintenance costs.
