Briserm Laser Protective Lens

Protect your expensive laser cutting head optics with these premium fused silica laser protective lenses. Designed for high-power fiber lasers up to 40kW, these windows deliver exceptional transmittance and durability for Raytools, Precitec, Bodor, and other major cutting head brands.

Key Features & Benefits

High-Power Compatibility: D20 series lenses support fiber lasers from 6kW up to 40kW, ideal for industrial-grade cutting and welding machines.
Premium Fused Silica Material: Crafted from high-quality fused silica (quartz) with double-sided precision polishing for exceptional clarity and heat resistance.
Superior Transmittance: Multi-layer anti-reflective (AR) coating delivers >99.8% transmittance at 1064nm, minimizing energy loss and maximizing cutting/welding efficiency.
Rigorous Quality Control: Each lens undergoes strict inspection to ensure zero scratches, bubbles, or impurities, guaranteeing consistent performance.
Multi-Brand Compatibility: Designed to fit Raytools, Precitec, Bodor, Bochu, WSX, HSG, DNE, and most mainstream fiber laser cutting heads.

Product Specifications

Product Type: Laser Protective Lens / Protective Window
Material: Fused Silica (Quartz)
Wavelength: 1064nm (Fiber Laser)
Transmittance: >99.8%
Available Sizes: 18x2, 20x2, 20x3, 24.9x1.5, 25x4, 27.9x4.1mm (and more)
Supported Power: 6kW / 10kW / 15kW / 20kW / 30kW / 40kW fiber lasers
Compatibility: Raytools, Precitec, Bodor, Bochu, WSX, HSG, DNE laser cutting heads