AWI Fresnel Lens
Description
The advantage of using a Fresnel lens is its compact size compared with a conventional lens. Common usage includes overhead projectors, pocket-size magnifiers and motion detectors. The word "Fresnel" comes from the person who first used this design to construct lighthouse lenses, Augustin-Jean Fresnel, in 1820. The idea of dividing a lens surface into concentric rings in order to reduce weight and size, however, can be dated back to 1748 by Georges-Louis Leclerc. Fresnel Lenses can be made from plastic or glass. There are also different design variations such as Positive Fresnel Lens, Negative Fresnel Lens, Cylindrical Fresnel Lens, Fresnel Lens Array, Linear Fresnel Lens, Lenticular Lens and Fresnel Prism.
AWI Fresnel Lens
Specifications |
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|---|---|
| Material: | PMMA Acrylic |
| Lens Type: | Spherical, Non-Imaging - Spot, Non-Imaging - Linear |
| Focal Length: | 3 mm |
| Facet Spacing: | -- mm |
| Clear Aperture: | 15 mm |
| Thickness: | 2 mm |
Applications
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Frequently Asked Questions
Common usage includes overhead projectors, pocket-size magnifiers, motion detectors, imaging, vision, metrology, and laser optics.
The advantage of using a Fresnel lens is its compact size compared with a conventional lens.
There are different design variations such as Positive Fresnel Lens, Negative Fresnel Lens, Cylindrical Fresnel Lens, Fresnel Lens Array, Linear Fresnel Lens, Lenticular Lens, and Fresnel Prism.
A Fresnel lens is a type of lens that is made up of many small narrow concentric rings.
Fresnel lenses can be made from plastic or glass.