Photonchina Cylindrical Lens
Description
Cylindrical lens, also called a cylinder, is an optical lens which focuses light on to a line instead of on to a point, as a spherical lens would. The curved face or faces of a cylindrical lens are sections of a cylinder, and focus the image passing through it onto a line parallel to the intersection of the surface of the lens and a plane tangent to it. The lens compresses the image in the direction perpendicular to this line, and leaves it unaltered in the direction parallel to it (in the tangent plane).
Photonchina Cylindrical Lens
Specifications |
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| Lens Type: | Positive, Negative |
| Material: | BK7, FS, UVFS, CaF2, ZnSe, Ge, H-K9L |
| Size: | Custom mm |
| Focal Length: | Custom mm |
Features
Cylindrical lens from Phtonchina is among top-level in terms of surface quality, irregularity and dimension tolerance. It also provides the high precision, special shapes and specifications designed by customers.
Applications
Laser optics
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How to order?
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Ships from:
China
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Sold by:
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On FindLight:
since 2019
Frequently Asked Questions
A cylindrical lens is an optical lens that focuses light onto a line instead of a point, compressing the image in the direction perpendicular to the line and leaving it unaltered in the direction parallel to it.
Photonchina's cylindrical lens has top-level surface quality, irregularity, and dimension tolerance. It also provides high precision, special shapes, and specifications designed by customers.
Cylindrical lenses are used to correct the output from diode lasers, to produce a round beam from the diode's elliptical output. They are also applied in optical systems to correct the shape of laser beams, change image aspect ratios, and illuminate in the shape of a line source.
The manufacturing limits for Photonchina are represented by a general list of soft limits and are intended for reference only. As requirements move closer to a min or max shown, fabrication becomes more difficult. Certain combinations are attainable, with extra significant fixturing costs, e.g. crossed axis cylinders, cylinders/spheres. Aperture coverage is often limited by the range of diffractive nulls available.
Photonchina's cylindrical lens has a diameter tolerance of +/-0.100 mm, central thickness tolerance of +/-0.150 mm, and radius tolerance of +/-1.0%. It also has surface quality of 60-40, irregularity of 1/4 Lambda, and centration of +/-8 arc min.