Plano-Convex Cylindrical Lens, N-BK7, AR Coating T4: 1050-1700 nm OLYC2001342-T4
The plano-convex cylindrical lens offered by JCOPTIX is a type of aspheric lens that shapes the beam in one dimension to change the spot size. It uses a flat surface and a convex cylindrical surface and has a positive focal length. When light enters the lens, using the convex surface as the entrance surface effectively reduces spherical and chromatic aberration. N-BK7 is a common optical lens material with good consistency and high homogeneity, widely used in visible and near-infrared applications. The N-BK7 series of cylindrical lenses offered by JCOPTIX are all made of N-BK7 and can be used with high-power lasers, satellite technology and astronomical optical equipment. JCOPTIX offers optical lenses in different materials, including N-BK7 and UV fused silica. Lenses in these materials can be supplied without antireflection coatings for a wide operating wavelength range and a high damage threshold, or with optional antireflection coatings. JCOPTIX currently offers three antireflection coating wavelength bands for N-BK7 lenses: 350-700 nm, 650-1100 nm and 1050-1700 nm. JCOPTIX provides customization for different application scenarios and requirements, including lens dimensions, material, focal length and coating. For other requirements, please contact technical support.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Optical element material | N-BK7 |
| Coating | T4 antireflection coating |
| Operating Wavelength | 1050-1700 nm |
| Antireflection Coating R_avg [@ 1050-1700 nm] | R_avg< 0.5% @ 1050-1700 nm |
| Clear Aperture Dimension [of Surface Dimensions] | >90% of Surface Dimensions |
| Focal Length | 40.0 mm |
| Focal Length Tolerance | ± 1% |
| Length (L) | 40.0 mm |
| Width (H) | 20.0 mm |
| Dimensional Tolerance | +0.0/-0.1 mm |
| Radius | 20.7 mm |
| Center Thickness | 4.6 mm |
| Center Thickness Tolerance | ± 0.1 mm |
| Edge Thickness [REF] | 2.0 mm (REF) |
| Back Focal Length | 37.0 mm |
| Surface quality (scratch/dig) | 60/40 |
| Surface flatness [@633 nm] | λ/2 |
| Curved surface PV value | λ/4 |
| Curved surface fringe count | 3 |
| Decentration | < 3 arcmin |
| Damage Threshold [1542 nm, 10 ns, 10 Hz, Ø0.123 mm] | 7.5 J/cm² @ 1542 nm, 10 ns, 10 Hz, Ø0.123 mm |
Key Features
Datasheet
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Supplier Information
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