Briserm Fiber Laser Protective Lens (27.9x4.1 / 34x5 / 37x7mm)

Protect your valuable laser cutting head optics with these premium fused silica laser protective lenses. Designed for high-power 1064nm fiber lasers, they shield your focusing lens and internal optical systems from metal spatter, dust, and contaminants that cause costly damage or poor beam quality.

Key Features & Benefits

Precision Sizes Available: Choose from 27.9x4.1mm, 34x5mm, or 37x7mm to fit your specific laser cutting head.
Premium Fused Silica Material: Made of high-purity quartz with advanced anti-reflective (AR) coating for exceptional clarity and durability.
High Transmittance & Low Absorption: Optimized for 1064nm fiber lasers, delivering high light transmittance while minimizing energy loss and self-heating.
High-Power Compatibility: Supports 0-40kW fiber lasers, ideal for industrial-grade cutting and welding machines.
Universal Fit: Compatible with Raytools, Precitec, Bodor, WSX, and other industry-standard laser cutting heads.
Cost-Effective Protection: Prevents splatter, debris, and contaminants from damaging expensive focusing lenses and optical systems.

Product Specifications

Product Type: Fiber Laser Protective Lens / Protective Window
Available Sizes: 27.9x4.1mm, 34x5mm, 37x7mm
Material: High-purity fused silica (quartz) with AR coating
Wavelength: 1064nm (fiber laser)
Supported Power: 0-40kW
Compatibility: Raytools, Precitec, Bodor, WSX, and most mainstream laser cutting heads