Series LC Plano Concave Lenses
These low absorption ZnSe negative focusing lenses provide an extended lifetime in laser cutting applications where depth of field is an important factor. Ideally suited for welding, cutting and heat treating, these low cost lenses have superior thermal characteristics which can prevent thermal runaway in high power CO2 lasers.
*Prices listed are for small quantity orders, for large quantity discounts please Contact Us.
All series LC lenses are coated and optimized for use at 10.6 microns.
View Category Specifications
| Specifications: | |
|---|---|
| Diameter Tolerance: | + 0.000″ / – 0.005″ |
| Thickness Tolerance: | +/- 0.010″ |
| Centering Tolerance: | 3 Arc Minutes Maximum |
| Sphericity: | < 1/40th wave at 10.6 microns |
| Surface Quality: | 40-20 Scratch-Dig |
| Focal Length Tolerance: | +/- 0.5 % |
| Absorption: | 0.25 % total |
| AR Coating Reflectivity: | R < 0.5 % at 10.6 microns |
Showing all 11 results
| Catalog No. | Material | Diameter | Focal Length | Edge Thickness | QOH | Order |
|---|---|---|---|---|---|---|
| LC-0610-Z-ET4.6 | ZnSe | 0.600" | 1.000" | 0.180" | 8 | Register for Pricing |
| LC-0620-Z-ET2.0 | ZnSe | 0.600" | 2.000" | 0.080" | 12 | Register for Pricing |
| LC-0710-Z-ET5.0 | ZnSe | 0.750" | 1.000" | 0.200" | 3 | Register for Pricing |
| LC-0715-Z-ET4.0 | ZnSe | 0.750" | 1.500" | 0.160" | 23 | Register for Pricing |
| LC-0720-Z-ET2.5 | ZnSe | 0.750" | 2.000" | 0.100" | 16 | Register for Pricing |
| LC-0725-Z-ET3.0 | ZnSe | 0.750" | 2.500" | 0.120" | 21 | Register for Pricing |
| LC-0750-Z-ET2.5 | ZnSe | 0.750" | 5.000" | 0.100" | 1 | Register for Pricing |
| LC-1020-Z-ET4.0 | ZnSe | 1.000" | 2.000" | 0.160" | 2 | Register for Pricing |
| LC-1110-Z-ET6.0 | ZnSe | 1.100" | 1.000" | 0.236" | 15 | Register for Pricing |
| LC-1115-Z-ET5.0 | ZnSe | 1.100" | 1.500" | 0.200" | 4 | Register for Pricing |
| LC-1125-Z-ET3.0 | ZnSe | 1.100" | 2.500" | 0.120" | 34 | Register for Pricing |