Plano-Concave Cylindrical Lenses
Plano-concave cylindrical lenses correct astigmatism and expand laser beams in laser diode systems and optical instrumentation. Coated for high transmission, they reduce unwanted reflections. Offered in standard and custom sizes with material options like CaF₂, N-SF11, and Germanium for broadband performance. The ATOPTIK Plano-Concave Cylindrical Lens is a negative cylindrical lens designed to diverge light into a line rather than a point, unlike a spherical lens. This unique optical property makes it an essential component in applications requiring linear light divergence. The curved surface of the lens forms part of a cylinder, causing the transmitted light to focus along a line parallel to the intersection of the cylindrical surface and its tangent plane.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material [Normal] | Optical glass |
| Material [High Precision] | Optical glass |
| Material [Mfg. Limit] | Optical glass |
| Length Tolerance [Normal] | +0/-0.1mm |
| Length Tolerance [High Precision] | +0/-0.05mm |
| Length Tolerance [Mfg. Limit] | +0/-0.01mm |
| Width Tolerance [Normal] | +0/-0.1mm |
| Width Tolerance [High Precision] | +0/-0.05mm |
| Width Tolerance [Mfg. Limit] | +0/-0.01mm |
| Thickness Tolerance [Normal] | +/-0.1mm |
| Thickness Tolerance [High Precision] | +/-0.05mm |
| Thickness Tolerance [Mfg. Limit] | +/-0.02mm |
| Focal Length Tolerance [Normal] | +1-2% |
| Focal Length Tolerance [High Precision] | +/-1% |
| Focal Length Tolerance [Mfg. Limit] | +/-0.5% |
| Centration [Normal] | 3 arc min |
| Centration [High Precision] | 1 arc min |
| Centration [Mfg. Limit] | 30 arc sec |
| Surface Quality [Normal] | 60-40 |
| Surface Quality [High Precision] | 40-20 |
| Surface Quality [Mfg. Limit] | 10-5 |
| Surface Figure [Normal] | 3 lambda |
| Surface Figure [High Precision] | 2 lambda |
| Surface Figure [Mfg. Limit] | 1 lambda |
| Surface Irregularity [Normal] | 1 lambda |
| Surface Irregularity [High Precision] | 1/4 lambda |
| Surface Irregularity [Mfg. Limit] | 1/10 lambda |
| Clear Aperture [Normal] | >80% |
| Clear Aperture [High Precision] | >90% |
| Clear Aperture [Mfg. Limit] | 100% |
| Bevel [Normal] | +/-0.2*45 degree |
| Bevel [High Precision] | +/-0.1*45 degree |
| Bevel [Mfg. Limit] | +/-0.05*45 degree |
Key Features
Datasheet
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Supplier Information
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