H-K9L Cylindrical Lenses
Description
Plano-Convex Cylindrical Lenses are ideal for applications requiring magnification in one dimension. While spherical lenses act symmetrically in two dimensions on an incident ray, cylindrical lenses act in the same manner but only in one dimension. A typical application is to use a pair of cylindrical lenses to provide anamorphic shaping of a beam. A pair of positive cylindrical lenses can be used to collimate and circularize the output of a laser diode. Another application possibility would be to use a single lens to focus a diverging beam onto a detector array. To minimize the introduction of spherical aberrations, collimated light should be incident on the curved surface when focusing it to a line, and light from a line source should be incident on the plano surface when collimating.The focal length of each lens can be calculated using the following equation:
f= R/(n-1),
where n is the index of refraction and R1,R2 is the radius of curvature for each surface of the lens.
They can be also coated with MgF2 to protect the surface or AR coated to increase the transmission.
H-K9L Cylindrical Lenses
Specifications |
|
|---|---|
| Lens Type: | Positive |
| Material: | H-K9L |
| Size: | 20 mm |
| Focal Length: | 50 mm |
| Center Error: | 3 arc min |
Features
Plano-convex cylindrical lenses
Rod cylindrical lenses
Plano-concave cylindrical lenses
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 2015
Frequently Asked Questions
Cylindrical lenses are used for applications requiring magnification in one dimension, such as anamorphic shaping of a beam, collimating and circularizing the output of a laser diode, or focusing a diverging beam onto a detector array.
To minimize the introduction of spherical aberrations, collimated light should be incident on the curved surface when focusing it to a line, and light from a line source should be incident on the plano surface when collimating.
The focal length of each lens can be calculated using the following equation: f= R/(n-1), where n is the index of refraction and R1,R2 is the radius of curvature for each surface of the lens.
While spherical lenses act symmetrically in two dimensions on an incident ray, cylindrical lenses act in the same manner but only in one dimension.
Yes, they can be coated with MgF2 to protect the surface or AR coated to increase the transmission.