Biconvex Lens Series
Yongli Biconvex Lens Series: Optimized aberration correction for high-quality spots. These advanced focusing elements for precision lasers differ from ordinary plano-convex lenses by using a precision convex/concave dual-surface structure, to compensate and control spherical aberration. Full-field consistency: Traditional spots degrade off-center. In complex galvanometer scanning and large-area processing, these lenses optimize energy distribution, reduce wavefront distortion and focal size, and maintain uniform, fine, consistent results from center to edge. Advanced applications: The meniscus lens is essential for defect-free aesthetic-medical equipment, precision electronic marking and ultrafine engraving. It offers deeper effective focus and sharper edges; smaller spots reduce thermal effects in reflective or heat-sensitive materials. Coating/stability: High-performance ultra-low-absorption AR coatings and pure optical substrates minimize expansion under sustained high power and prevent focus drift. The series supports OEM integration and replacement upgrades as an advanced CO2 focusing solution.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | ZnSe |
| Diameter [ZnSe； Diameter Ø12.00mm/0.47in] | Ø12.00 |
| Diameter [ZnSe； Diameter Ø12.00mm/0.47in] | 0.47 in |
| Thickness [ZnSe； Diameter Ø12.00mm/0.47in] | 2.50 mm |
| Thickness [ZnSe； Diameter Ø12.00mm/0.47in] | 0.10 in |
| Diameter [ZnSe； Diameter Ø15.00mm/0.59in] | Ø15.00 |
| Diameter [ZnSe； Diameter Ø15.00mm/0.59in] | 0.59 in |
| Thickness [ZnSe； Diameter Ø15.00mm/0.59in] | 2.00 mm |
| Thickness [ZnSe； Diameter Ø15.00mm/0.59in] | 0.08 in |
| Diameter [ZnSe； Diameter Ø16.00mm/0.63in] | Ø16.00 |
| Diameter [ZnSe； Diameter Ø16.00mm/0.63in] | 0.63 in |
| Thickness [ZnSe； Diameter Ø16.00mm/0.63in] | 2.00 mm |
| Thickness [ZnSe； Diameter Ø16.00mm/0.63in] | 0.08 in |
| Diameter [ZnSe； Diameter Ø18.00mm/0.71in] | Ø18.00 |
| Diameter [ZnSe； Diameter Ø18.00mm/0.71in] | 0.71 in |
| Thickness [ZnSe； Diameter Ø18.00mm/0.71in] | 2.00 mm |
| Thickness [ZnSe； Diameter Ø18.00mm/0.71in] | 0.08 in |
| Diameter [ZnSe； Diameter Ø19.05mm/0.75in] | Ø19.05 |
| Diameter [ZnSe； Diameter Ø19.05mm/0.75in] | 0.75 in |
| Thickness [ZnSe； Diameter Ø19.05mm/0.75in] | 2.00 mm |
| Thickness [ZnSe； Diameter Ø19.05mm/0.75in] | 0.08 in |
| Diameter [ZnSe； Diameter Ø20.00mm/0.79in] | Ø20.00 |
| Diameter [ZnSe； Diameter Ø20.00mm/0.79in] | 0.79 in |
| Thickness [ZnSe； Diameter Ø20.00mm/0.79in] | 2.00 mm |
| Thickness [ZnSe； Diameter Ø20.00mm/0.79in] | 0.08 in |
| Diameter [ZnSe； Diameter Ø25.00mm/0.98in] | Ø25.00 |
| Diameter [ZnSe； Diameter Ø25.00mm/0.98in] | 0.98 in |
| Thickness [ZnSe； Diameter Ø25.00mm/0.98in] | 2.00/3.00 mm |
| Thickness [ZnSe； Diameter Ø25.00mm/0.98in] | 0.08/0.12 in |
| Diameter [ZnSe； Diameter Ø28.00mm/1.10in] | Ø28.00 |
| Diameter [ZnSe； Diameter Ø28.00mm/1.10in] | 1.10 in |
| Thickness [ZnSe； Diameter Ø28.00mm/1.10in] | 2.00/3.00 mm |
| Thickness [ZnSe； Diameter Ø28.00mm/1.10in] | 0.08/0.12 in |
| Diameter [ZnSe； Diameter Ø38.10mm/1.50in] | Ø38.10 |
| Diameter [ZnSe； Diameter Ø38.10mm/1.50in] | 1.50 in |
| Thickness [ZnSe； Diameter Ø38.10mm/1.50in] | 7.00/9.00 mm |
| Thickness [ZnSe； Diameter Ø38.10mm/1.50in] | 0.28/0.35 in |
| Focal length [ZnSe； Applicable Diameter ：Ø12.00mm（0.47in）、Ø15.00mm（0.59in）、Ø16.00mm（0.63in）] | 25.4/38.1/50.8/63.5 mm |
| Focal length [ZnSe； Applicable Diameter ：Ø12.00mm（0.47in）、Ø15.00mm（0.59in）、Ø16.00mm（0.63in）] | 1.0/1.5/2.0/2.5 in |
| Focal length [ZnSe； Applicable Diameter ：Ø18.00mm（0.71in）、Ø19.05mm（0.75in）、Ø20.00mm（0.79in）、Ø25.00mm（0.98in）、Ø28.00mm（1.10in）、Ø38.10mm（1.50in）] | 38.1/50.8/63.5/76.2/101.6/127/160/190.5 mm |
| Focal length [ZnSe； Applicable Diameter ：Ø18.00mm（0.71in）、Ø19.05mm（0.75in）、Ø20.00mm（0.79in）、Ø25.00mm（0.98in）、Ø28.00mm（1.10in）、Ø38.10mm（1.50in）] | 1.5/2.0/2.5/3.0/4.0/5.0/6.3/7.5 in |
Key Features
Datasheet
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Supplier Information
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