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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.
Basic Technical Parameters
Material : H-K9L；Fused Silicate（Customized）
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%
Chamfer：Safety Bevel<0.2X45°
Coating：Customized as customer required
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.
Basic Technical Parameters
Material : H-K9L；Fused Silicate（Customized）
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%
Chamfer：Safety Bevel<0.2X45°
Coating：Customized as customer required