DescriptionCr2+:ZnSe/S lasers are promising for spectroscopy,Website:http://www.meta-laser.com, sensing, medical and defense related applications, as well as for seeding or pumping middle-infrared optical parametric oscillators. Features:Ultrbroadband gain bandwidthHigh absorption coefficientsHigh conversion efficiencyMeta-Photonics Cr:ZnSe Cr doped single crystal ZnSe materialsSpecificationParameters of MaterialsMaterialsCr:ZnSeConcentrations　Orientation<111>or <100>Coatings　Polishing Specification for Laser GradeOrientation Tolerence< 0.5°Thickness/Diameter Tolerance±0.05mmSurface Flatness<λ/8@632nmWavefront Distortion<λ/4@632nmSurface Quality10/5Parallel30〞Perpendicular15ˊClear Aperture>90%Chammfer<0.2×45°