Plano-Concave Cylindrical Lens TJFSGXPAZM2010018
Plano-concave cylindrical lenses use the negative power of concave cylindrical surfaces to diverge light perpendicular to the optical axis. They are key components for beam expansion, aberration balancing, or shaping, especially where divergence control is required. One surface is flat; the other is concave cylindrical, described as curved inward along the cylinder axis. They diverge light perpendicular to the optical axis, opposite to plano-convex cylindrical convergence, while keeping light parallel along the optical-axis direction without refraction. Available specifications: size (mm): 8*4-50*50; EFL (mm): -10 to -1000; center thickness Tc (mm): 2.0-3.0; edge thickness Te (mm): 3.0-11.0; materials: optical glass, calcium fluoride, zinc selenide, silica, etc.; coatings: AR, high-reflective, bandpass, beamsplitting, etc. Note: only some plano-concave cylindrical sizes are shown; contact us for others. Custom sizes/coatings are supported. Selection balances wavelength, optical performance, environmental resistance, and cost. Material | advantages | disadvantages | applications. Quartz crystal (JGS1) | broad UV-to-NIR transmission, high purity/low scattering, high-temperature resistance | higher cost, difficult processing | UV-to-NIR lasers/windows and semiconductor lithography lenses. Calcium fluoride (CaF₂) | broad UV-to-IR transmission (0.15-9μm), low fluorescence background for precision imaging | brittle, fragile, impact-sensitive | excimer lasers, infrared spectrometers, X-ray optics. Zinc selenide (ZnSe) | high mid-IR transmission (3-12μm), low absorption for high-power lasers | strong chemical corrosiveness requiring protective coatings, higher cost | mid-IR CO₂ processing/medical lasers and thermal-imaging lenses.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Quartz Plano-Concave Cylindrical Lens - Dimensions X*Y/Diameter | 20.0 mm × 20.0 mm |
| Quartz Plano-Concave Cylindrical Lens - Focal Length (EFL) | -150.00 mm |
| Quartz Plano-Concave Cylindrical Lens - Center Thickness Tc | 3.00 mm |
| Quartz Plano-Concave Cylindrical Lens - Edge Thickness Te | 3.65 mm |
| Quartz Plano-Concave Cylindrical Lens - Coating | Antireflection Coating |
| Quartz Plano-Concave Cylindrical Lens - Material | Quartz (JGS1) |
| Quartz Plano-Concave Cylindrical Lens - Surface Quality | 40/20 |
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