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Plano-Concave Cylindrical Lens

Plano-concave cylindrical lens has one plane and one cylinder, with a negative focal length. Unlike a spherical lens, a cylindrical lens acts on a beam in only one direction. Cylindrical lenses are commonly used for beam shaping.

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Plano-concave Cylindrical Lens

Plano-concave cylindrical lens has one plane and one cylinder, with a negative focal length. Unlike a spherical lens, a cylindrical lens acts on a beam in only one direction. Cylindrical lenses are commonly used for beam shaping. Typical applications include dual cylindrical lens collimation and circular laser diode output beams. In order to reduce the spherical aberration, the plane concave cylindrical lens is used to focus the collimated beam into a line, and the beam should be incident on the lens surface; as quasi-linear light source, the beam should be incident on the lens plane.



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Basic Technical Parameters


Material : H-K9LFused SilicateCustomized

Tolerance of Dimension+0/-0.1mm   

Tolerance of Thickness: ±0.1mm

Tolerance of Angle< 30 '' 

Surface Accuracy : λ/10-λ/2   

Surface Quality : 60/40 ; 40/20; 10/5

Clear Aperture>90%   

ChamferSafety Bevel<0.2X45°   

CoatingCustomized as customer required








"Quality first, customer first, development and innovation"
Nanjing April Electro-Optics Ltd. founded in 2012, is specialized in high-precision cold processing of crystal materials, with sapphire, quartz and optical glass as raw materials. Core products including window, lens, crystal rod, prism, ball, filter, cylindrical mirror, ball cover, and so forth. 

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