Cloudray CO2 Laser Lens 20mm Mirror CO2 Laser Focal Lens CO2 Focus Lens, CVD ZnSe for CO2 Laser Engraving Machine Cutter 40W-200W,Dia 20mm FL50.8mm;

Feature:

CVD ZnSe Imported From USA, High Quality Material Make Sure the Steady of Laser System.

The CO2 Laser Transmittance of Lens can is more than 99.5% with Excellent Transparency.

Excellent High-Power Density Endurance.

Firm Surface Membrane. High Durabilityand Great Scratch Resistance.

Focusing Spot Size more Smaller. 

Note: In general,a laser machine needs 1 pies of focusing lens and 3 reflective mirrors.

CO2 Laser Mirrors Purchase ASIN: B07B8YZLCP or B07BJHL3Y4

CO2 Laser Head Purchase ASIN: B07BGTWRY1

Specification:

Material:USA CVD ZnSe

Wavelength:10.6um

Transmittance:99.5%

Clear Aperture>90%

AR/AR coating R<0.5% per surface

Diameter tolerance:+0/-0.1mm

Thickness tolerance:+0/+0.2mm

FL Tolerance<±2%

Surface Figure<λ/2 per 1"Dia

Surface Quality 40-20scratch and dig

The difference between USA ZnSe and China PVD:

The China ZnSe can withstand less than 100W Laser power. While USA material can withstand higher power up to 200W.

And USA ZnSe has better focusing spot and better laser transmittance than China matierial.

Packing List:

Focus Lens USA x1pcs