2PCS laser focus lens D20mm USA CVD Znse Meniscus For CO2 laser
By Cloudray Laser
Product Description
â‘ Material: USA CVD ZnSe â‘¡ Diameter tolerance: +0/-0.1mm â‘¢ Wavelength:10.6um
④ Thickness tolerance: +0/+0.2mm ⑤ Transmittance: 99.5% ⑥ FL Tolerance: <±2%
⑦ Clear Aperture: >90% ⑧ Surface Figure: <λ/2 per 1″Dia
⑨ AR/AR coating: R<0.5% per surface ⑩ Surface Quality: 40-20scratch and dig
High quality ZnSe crystal
• CVD ZnSe Material • Excellent optical properties • Up to 200 W CO2 laser resistance
Superb coating process
• Double-sided solid coating • Wiping resistant • Extended durability
High precision process
• Precision slicing, polishing, and grinding processes • High temperature, laser resistance
High transmittance
• High quality material and coating
• Reduced the laser loss
• Laser transmittance Up To 99.5% • Higher working efficiency
Individually packaged
â‘ CVD ZnSe focus lens
Laser light path schematic
①Laser tube ② First mirror ③ Second mirror ④ Third mirror ⑤ Focus lens
â‘ Lens tube
â‘¡ Focus lens (Be sure lens convex faces lazer and concave faces material)
③ Lens ring ④ Nozzle ⑤ Gas nozzle
â‘¥ Focal length (Distance Between the Lens and the cutting/engraving material)
⑦ Working table
Lens cleaning
â‘ For loose lint or dust: use an air bulb to blow off any loose particles.
â‘¡ For smudges or fingerprints: squeeze a few drops of acetone onto the lens tissue, wetting the diameter of the optic.
â‘¢ For droplets or oils: use a cotton swab and distilled vinegar to wipe the lens, then use a wet cotton swab to remove any acetic acid. Clean with a dry cotton swab.
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