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CO2 Beam Expanders

CO<sub>2</sub> Beam Expanders

CO2 Beam Expanders


  • Designed for CO2 Laser Sources at 10.6μm
  • Compact Housing for Easy System Integration
  • II-VI Infrared ZnSe Optical Elements

CO2 Beam Expanders are designed to collimate and improve the energy distribution of high power CO2 laser beams. Featuring premier grade Zinc Selenide (ZnSe) optical elements from II-VI, these beam expanders provide minimum beam deviation and greater than 99.4% transmission at 10.6μm. A high-efficiency anti-reflective coating on the ZnSe substrates results in reflectance less than 0.2% per surface and absorbance less than 0.1% per surface at 10.6μm. CO2 Beam Expanders feature a compact housing design with M25 input threading for easy integration into CO2 laser systems. For additional expansion power options, please contact us.

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