Cylindrical Plano-concave Lens (Synthetic Fused Silica) 20×20mm −250mm Focal Length
CLSQ-2020-250N
Cylindrical plano concave lens has a concave curvature in the vertical direction and has no curvature in the horizontal direction. When used in combination with a plano-convex cylindrical lens an elliptical shaped beam can be sharped into a circular beam for use in semiconductor and other laser applications.
◦Plano Concave Cylindrical lenses are available in highstrength synthetic fused silica which has high laser damage threshold used in applications with 350nm ultraviolet light.
◦Cylindrical lenses are often used in an optical system to change the shape and aspect ratio of the illumination light beam.
◦Cylindrical lenses are often used in an optical system to change the shape and aspect ratio of the illumination light beam.
| Name | Cylindrical Plano-concave Lens (Synthetic Fused Silica) 20×20mm −250mm Focal Length |
|---|---|
| Weight | 0.0050kgs |
| Standard Coatings Available | Yes |
| Guide |
|
| Remark | - |
| Attention |
|
| A x B | 20mm x 20mm |
| Focal length | 250mm |
| Material | Synthetic fused silica |
| Design Wavelength | 546.1nm |
| Refractive index | 1.46 |
| Coating | Uncoated |
| Clear aperture | Circle or ellipse inscribed in a rectangular of 90% of the dimension |
| Surface Quality (Scratch-Dig) | 20-10 |
| A×B | 20×20mm |
| Focal length f | −250mm |
| Edge thickness te | 4mm |
| Center thickness tc | 3.6mm |
| Back focal length fb | −252.4mm |
| Radius of curvature r | 115mm |
In stock
SKU
CLSQ-2020-250N
€215.00
Cylindrical plano concave lens has a concave curvature in the vertical direction and has no curvature in the horizontal direction. When used in combination with a plano-convex cylindrical lens an elliptical shaped beam can be sharped into a circular beam for use in semiconductor and other laser applications.
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