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| Coad | 668181 | 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 | 2.2mm | Parallelism | ≤3 arcmin | |
| Wavelength(nm) | 245 - 400 | Surface Quality | 40-20 | |
| Focal Length(mm) | 1003.50 | Focal Length Tolerance | ±1% | |
| Radius of Curvature | 460.1mm | Back Focal Length | 1002.0mm | |
| 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@245-400nm | |||
LBTEK plano-convex lenses are made of UV fused silica, which offers better homogeneity and a lower thermal expansion coefficient compared to N-BK7 glass, making them well-suited for use in the ultraviolet and near-infrared spectral ranges. LBTEK plano-convex lenses have a positive focal length and are commonly used in imaging, beam collimation, and similar applications. LBTEK provides both unmounted and mounted plano-convex lenses. The operating wavelength range is 245 nm to 400 nm, with available diameters of 12.7 mm, 25.4 mm, and 50.8 mm. Mounted versions are pre-assembled in standard lens tubes, with the product model, type, diameter, and focal length engraved on the tube surface for quick and convenient identification of lens parameters.
LBTEK plano-convex lenses are made of UV fused silica, which offers better homogeneity and a lower thermal expansion coefficient compared to N-BK7 glass, making them well-suited for ultraviolet and near-infrared applications. With a positive focal length, LBTEK plano-convex lenses are commonly used for imaging and beam collimation. The unmounted versions can be installed in LBTEK standard lens tubes, fixed lens mounts, or various coaxial mounting plates, allowing customers to choose the most suitable installation method for different application scenarios.
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