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| Coad | 668552 | Substrate | UVFS | |
| Type | Plano-Convex Lenses | Clear Aperture | 90% CA | |
| Diameter(mm) | 12.70 | Diameter Tolerance | +0/-0.1mm | |
| Thickness(mm) | 1.80 | Thickness Tolerance | +0/-0.1mm | |
| Center Thickness | 2.7mm | Parallelism | ≤3 arcmin | |
| Wavelength(nm) | 200 - 2100 | Surface Quality | 40-20 | |
| Focal Length(mm) | 50.20 | Focal Length Tolerance | ±1% | |
| Radius of Curvature | 23.0mm | Back Focal Length | 48.3mm | |
| Sagittal Aperture | 0.5 | Aperture on Curved Surface | 3 | |
| Surface Irregularity | λ/2@633 nm | Laser Damage Threshold | 0.80J/cm2@980nm，190fs，100Hz，Ø12.684μm (100 Pulses) 0.11J/cm2@355nm，180.5fs，100Hz，Ø6.558μm (100 Pulses) | |
| Coating Type | Uncoated | Mechanical Housing | SM05-8A（Lens sleeve with SM05 internal and external threads） | |
| Coating Specifications | Uncoated | |||
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 well-suited for applications 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. LBTEK provides both unmounted and mounted versions of plano-convex lenses, covering the 200 nm–2.1 μm wavelength range, with element diameters available in 6 mm, 12.7 mm, 25.4 mm, and 50.8 mm.
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 ideal 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. 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.
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