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| Coad | 668335 | Substrate | UVFS | |
| Type | Plano-Convex Lenses | Clear Aperture | 90% CA | |
| Diameter(mm) | 25.40 | Diameter Tolerance | +0/-0.1mm | |
| Thickness(mm) | 2.00 | Thickness Tolerance | +0/-0.1mm | |
| Center Thickness | 7.1mm | Parallelism | ≤3 arcmin | |
| Wavelength(nm) | 700 - 1100 | Surface Quality | 40-20 | |
| Focal Length(mm) | 40.10 | Focal Length Tolerance | ±1% | |
| Radius of Curvature | 18.4mm | Back Focal Length | 35.3mm | |
| Sagittal Aperture | 0.5 | Aperture on Curved Surface | 3 | |
| Surface Irregularity | λ/2@633 nm | Laser Damage Threshold | - | |
| Coating Type | Anti-Reflective Coating | Mechanical Housing | - | |
| Coating Specifications | Ravg<0.5%a@700-1100nm | |||
LBTEK Plano-Convex Lenses are made from UV fused silica, offering better homogeneity and a lower thermal expansion coefficient compared to N-BK7 glass, making them well-suited for use in the UV and near-infrared spectral ranges. LBTEK plano-convex lenses feature positive focal lengths and are commonly used for imaging or beam collimation applications. LBTEK provides both unmounted and mounted plano-convex lenses for operation in the 700–1100 nm wavelength range, with element diameters available in 12.7 mm, 25.4 mm, and 50.8 mm. The mounted versions are pre-installed in standard lens tubes, with the tube surfaces engraved with the product model, type, diameter, and focal length, allowing users to quickly identify lens specifications.
LBTEK Plano-Convex Lenses are made from UV fused silica, which offers better homogeneity and a lower thermal expansion coefficient compared to N-BK7 glass, making them suitable for use in the UV and near-infrared ranges. These plano-convex lenses feature positive focal lengths and are commonly used for imaging or beam collimation applications. All unmounted LBTEK lenses can be installed in LBTEK standard lens tubes, fixed lens mounts, or various coaxial mounting plates, allowing customers to choose the most suitable mounting method for different application scenarios.
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