UM OPTICS CaF2 BaF2 MgF2 BK7 Fused silica Ge Si ZnSe ZnS Meniscus Lens
Description
Meniscus Lenses are concave-convex lenses that contain both positive and negative meniscus lenses. The Positive meniscus lenses are thicker in the middle than at the edges, allowing light to converge, and are designed to reduce tertiary spherical aberration. When they are used to converge a collimated beam, the convex side should face the light source to reduce spherical aberration.The negative meniscus lenses are thinner in the middle than at the edges and are designed to reduce tertiary spherical aberration. When used to diffuse the beam, the convex side should face the beam to reduce spherical aberration.
UM OPTICS CaF2 BaF2 MgF2 BK7 Fused silica Ge Si ZnSe ZnS Meniscus Lens
Specifications |
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| Material: | UVFS, CaF2, ZnSe, Ge, H-K9L |
| Diameter: | 12.7 mm |
| ROC1: | 7.5 mm |
| ROC2: | 72.4 mm |
Features
Its shape is meniscus, with one side convex and the other side concave. This kind of lens can be a converging lens or a diverging lens, which is determined by the refractive index, curvature and radius.
Applications
The main application areas of meniscus lenses include optical components in laser systems, thermal imaging components in infrared optics, UV cut-off optical crystals in ultraviolet optics, and sensitive components in high-energy detectors.
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Ships from:
China
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On FindLight:
since 2024
Frequently Asked Questions
The Positive meniscus lenses are thicker in the middle than at the edges, allowing light to converge, and are designed to reduce tertiary spherical aberration. When they are used to converge a collimated beam, the convex side should face the light source to reduce spherical aberration.The negative meniscus lenses are thinner in the middle than at the edges and are designed to reduce tertiary spherical aberration. When used to diffuse the beam, the convex side should face the beam to reduce spherical aberration.