Precision CVD ZnSe IR Focus Lens
ZnSe Cylindrical Lens | Dia 28.0mm, EFL 99.8mm, CVD Grade IR Optics
Premium CVD ZnSe cylindrical lens (Dia 28mm, EFL 99.8mm) for 10.6um CO2 lasers. High transmission & custom coatings. Get a quote from iroptical today!
Product Overview
ZnSe Cylindrical Lens | Dia 28.0mm, EFL 99.8mm, CVD Grade IR Optics
The iroptical CVD zinc selenide lens is designed for demanding mid-to-long wave infrared applications, particularly high-power 10.6 µm CO2 laser beam shaping. Featuring a 28.0mm diameter, a precise 99.8mm effective focal length, and superior bulk absorption characteristics, this optical element provides exceptional one-dimensional focusing performance. Manufactured from optical-grade CVD ZnSe material, it guarantees low scatter and ultra-high damage thresholds essential for precision laser processing and thermal imaging optics.
Technical Specifications
| Material | Diameter (Dia) | Effective Focal Length (EFL) | Center Thickness (CT) | Edge Thickness (ET) | Clear Aperture |
|---|---|---|---|---|---|
| CVD Zinc Selenide | 28.0 ± 0.1 mm | 99.8 ± 1.0 % | 3.7 ± 0.2 mm | 3.0 ± 0.2 mm | > 85% of Diameter |

Primary Applications
Engineered specifically for CO2 laser optical trains and specialized infrared optics systems, this 28mm cylindrical lens excels in:
CO2 Laser Beam Shaping: Converts circular laser beams into sharp, linear focal lines for sheet cutting, wire stripping, and surface ablation.
Astigmatism Correction: Rectifies elliptical beam profiles emitted by specialized IR diode lasers or quantum cascade lasers.
Thermal Line Scanning: Focuses infrared thermal radiation onto linear detector arrays for high-speed non-destructive testing.
Customization & Manufacturing Services
As a specialized supplier of precision laser optics, iroptical maintains comprehensive inventory reserves for fast prototype dispatch. We offer complete custom fabrication to meet your optical system specifications:
Custom Antireflective Coatings: Standard broadband AR (8-12 µm) or high-efficiency V-coatings designed for 10.6 µm to maximize total throughput.
Dimensional Adjustments: Custom aspect ratios, rectangular cuts, edge chamfering, or custom center/edge thickness options.
Guaranteed Quality: Every optical component undergoes rigorous interferometric surface accuracy and dimensional testing prior to shipment.
Technical Support & Inquiries
Struggling with thermal lensing issues or inconsistent delivery schedules for your IR optics components? iroptical resolves OEM production risks with verified spectral data, robust coating durability, and predictable lead times.
Contact our technical engineering team at sales@iroptical.com or request a quote online to receive datasheets and custom optical engineering guidance today.
Technical Parameters
Detailed specifications are not available for this product yet. Please contact the team for application guidance.