Our high-quality ZnSe (Zinc Selenide) protective windows are precision-engineered for CO₂ laser cutting, engraving, and marking machines. These sapphire-coated lenses offer excellent infrared transmittance and durability, protecting your laser optics from debris and contamination.

Material: ZnSe (Zinc Selenide)

Coating: Sapphire Coated

Standard sizes: 12/19.05/20/38.1mm

Focal lengths: 2" / 2.5" / 3"

Fast lead time: 3-5 days for samples, 10-15 days for bulk orders

✅ Key Features

- High transmittance: 95% infrared light transmittance optimized for CO₂ lasers

- Sapphire coating: Enhanced scratch resistance and durability for long service life

- Standard sizes available: Common clear apertures and focal lengths for popular laser machines

- Customizable options: OEM/ODM available for special sizes and specifications

- Made in China: Factory direct supply with strict quality control

✅ Common Applications

- CO₂ laser cutting and engraving machines

- Laser marking and processing equipment

- Industrial laser systems and optical instruments

All our ZnSe laser windows undergo rigorous quality testing, including transmittance checks and durability tests. We support small batch orders and large-scale production to meet your project needs.

If you need help selecting the right size for your laser machine, please contact our sales team today. We are happy to provide professional advice and a free quote based on your exact requirements.

✅ 95% infrared transmittance for clear laser processing

✅ Sapphire coating for scratch and impact resistance

✅ Standard sizes for popular CO₂ laser machines

✅ Custom sizes and OEM/ODM service available

✅ 24-hour fast quotation with detailed specifications

✅ 100% inspected before shipment