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18mm Dia ZnSe Focus Lens for CO2 Laser Engraver/Cutter Cutting Machine FL 1.5/2/2.5/3/4/5/7.5″


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                  Name: ZnSe Focus Lens
                  Material: ZnSe
                  Diameter: 18mm
                  Thinckness: 2mm
                  Anti-Reflective Coating: at 10.6 μm
                  Size Focal Length
                  #1 38.1mm/1.5"
                  #2 50.8mm/2"
                  #3 63.5mm/2.5"
                  #4 75mm/3"
                  #5 100mm/4"
                  #6 127mm/5"
                  #7 190.5mm/7.5"
                  – ZnSe is used for optical windows, lenses, mirrors, prisms and optical blanks, plates, disks, sheets, slabs particularly for infrared applications
                  – Zinc Selenide (ZnSe) is transparent in wide spectral range from yellow (visible) to far IR. ZnSe material is a chemically inert, non-hygroscopic and highly pure product that is very effective in many optical applications due to its extremely low bulk losses, high resistance to thermal shock and stability in virtually all environments, easily machined.
                  – To obtain superior transmittance, ZnSe crystals are grown by Chemical Vapor Deposition process. Zinc Selenide is polycrystalline material, demonstrates superior CO2 laser transmittance and is employed in the transmission optical components used in CO2 laser processing.
                  Package Included:
                  1 x 18mm Dia ZnSe Focus Lens

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