Plano Concave Cylindrical Lens
  • Plano Concave Cylindrical Lens
  • Plano Concave Cylindrical Lens

Plano Concave Cylindrical Lens

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A plano-concave cylindrical lens is used to expand light in on axis.  A negative cylindrical lens is able to diverge collimated input light away from a line.  Plano-concave cylindrical lenses are used for one-dimensional compression of images, anamorphic beam shaping, and laser line generation.

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A negative cylindrical lens acts like a flat concave spherical lens, but the former works only on one axis. These cylindrical lenses are used in applications where the point source needs to be shaped in a one-dimensional direction. A typical application is to convert a collimated laser beam into a linear beam using a single cylindrical lens. A pair of cylindrical lenses can be used to shape the image. To minimize spherical aberration, the surface of the lens should be oriented toward the source when diverging the beam.Plano Concave Cylindrical Lens

Specification


MaterialOptical glass/ Fused silica/ sapphire   etc.
Dimension2mm~300mm
Dimension   tolerance±0.05mm~±0.1mm
Centre   Thickness2mm~20mm
Surface   quality60/40, 40/20, 20/10
Surface   accuracyλ/2~λ/10@632.8nm,532nm
Clear   Aperture>85% dig diameter
Centration<3arc min~ 30arc sec
CoatingAs per customer’s request




Type No.Length x Weight
    (mm)
EFL
    (mm)
BFL
    (mm)
Radius
    (mm)
TC
    (mm)
TE
    (mm)
BRD-PCAC-110x10-12.7-14.02-6.562.04.31
BRD-PCAC-210x10-25-26.32-12.912.03.01
BRD-PCAC-320x10-12.7-14.023-6.562.04.31
BRD-PCAC-420x10-25-26.32-12.912.03.01
BRD-PCAC-520x20-50-51.322-25.822.04.02
BRD-PCAC-620x20-75-76.32338.733.03.31
BRD-PCAC-720x20-100-101.325-51.643.03.98
BRD-PCAC-820x20-150-151.987-77.463.03.65.
BRD-PCAC-920x20-200-201.971-103.283.03.49
BRD-PCAC-1020x20-250-251.974-129.093.03.39
BRD-PCAC-1120x20-299.7-301.726-154.913.03.32
BRD-PCAC-1220x20-500-501.969-258.183.03.19
BRD-PCAC-1320x20-1000-1002.23-516.53.03.1
BRD-PCAC-1440x20-50-51.981-25.823.05.02
BRD-PCAC-1540x20-75-76.983-38.733.04.31
BRD-PCAC-1640x20-100-101.325-51.643.03.98
BRD-PCAC-1740x20-150-151.987-77.463.03.65
BRD-PCAC-1840x20-200-201.971-103.283.03.49
BRD-PCAC-1940x20-250-251.974-129.093.03.39
BRD-PCAC-2040x20-500-501.969-258.183.03.19
BRD-PCAC-2140x20-1000-1002.23-516.53.03.1



Cylindrical optics (or “Cylinders” ) are lenses or mirrors characterized by curvature in one axis and flat in the orthogonal axis. This gives them the unique property of acting as a lens or focusing element in a single axis only. Cylindrical lenses form line focii instead of a point. This is useful in applications such as bar code scanning, laser projection, astigmatism correction, beam shaping, and illumination systems. Our customers use cylindrical optics in analytic instruments, lithography, scientific research and a variety of high-tech commercial applications. Cylindrical optics can be reflective or transmissive and can be plano-concave plano-convex or of various combinations of convex and concave to form specific focal lengths.


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