Laser window - Spectro Optics
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Laser window

Laser windows are high-precision optical components engineered for laser system protection and beam transmission optimization. Crafted from premium materials (sapphire, fused silica, CaF₂, BaF₂, etc.), they feature low laser absorption, high transmittance, and exceptional durability.​
Designed to withstand high laser power densities, thermal shock, and harsh operating environments, they effectively shield internal optics from dust, moisture, and debris while minimizing beam loss. Suitable for CO₂ lasers, fiber lasers, UV lasers, and IR lasers, their applications span industrial cutting/welding, medical equipment, laser processing, research laboratories, and aerospace systems.​
Customizable in size, thickness, and anti-reflection (AR) coatings to match specific laser wavelengths and performance requirements.

Specifications

Material: N-BK7, Fused Silica, Sapphire, etc
Diameter: 1mm - 600mm
Thickness: 1mm - 70mm
Surface Quality: 20-10 / 40-20
Parallelism: < 3 arcsec
Laser Damage Threshold: > 20 J/cm²@1064nm or customized

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