Meniscus Lens
Meniscus lenses—with their distinctive convex-concave design—excel at minimizing spherical aberration while controlling light convergence or divergence. Positive meniscus lenses focus parallel light into tight spots (convex side toward the source) or, when paired with other optics, shorten focal lengths to boost numerical aperture (NA). Conversely, negative meniscus lenses (thinner at the center) diverge light and are often combined with other lenses to lengthen focal distances and reduce NA. Ideal for precision systems requiring aberration correction and tailored light manipulation. ATOPTIK’s meniscus lens is a high-performance optical component with an asymmetric concave-convex structure. Its unique shape offers excellent performance in reducing aberrations, enhancing beam quality, minimizing spherical aberration, and controlling beam divergence. Meniscus lenses are commonly used in applications such as beam collimation, optical imaging, laser beam expansion, fiber coupling, and sensors.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material [Normal] | Optical glass |
| Material [High Precision] | Optical glass |
| Material [Mfg. Limit] | Optical glass |
| Diameter Tolerance [Normal] | +0/-0.1mm |
| Diameter Tolerance [High Precision] | +0/-0.05mm |
| Diameter Tolerance [Mfg. Limit] | +0/-0.01mm |
| Thickness Tolerance [Normal] | +/-0.1mm |
| Thickness Tolerance [High Precision] | +/-0.05mm |
| Thickness Tolerance [Mfg. Limit] | +/-0.01mm |
| Focal Length Tolerance [Normal] | +/-2% |
| Focal Length Tolerance [High Precision] | +/-1% |
| Focal Length Tolerance [Mfg. Limit] | +/-0.5% |
| Centeration [Normal] | 3 arc min |
| Centeration [High Precision] | 1 arc min |
| Centeration [Mfg. Limit] | 10 arc sec |
| Surface Quality [Normal] | 60-40 |
| Surface Quality [High Precision] | 40-20 |
| Surface Quality [Mfg. Limit] | 10-5 |
| Surface Figure [High Precision] | 2 lambda |
| Surface Figure [Mfg. Limit] | 1 lambda |
| Surface Irregularity [Normal] | 1/4 lambda |
| Surface Irregularity [High Precision] | 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*45degree |
Datasheet
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Supplier Information
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