Cylindrical Lenses

Cylindrical Lenses Cylindrical lenses focus light on a straight line rather than on a single point as spherical lenses do.Its surface is the cross section of the cylinder, focusing the image passing through it onto a straight line parallel to the surface of the lens and intersecting the plane tangent to it.The lens compresses the image in a direction perpendicular to the line, keeping it constant in a direction parallel to it. Specification： Material： Dimensional tolerance： Surface flatness： Focal length Surface quality： Centration:： Coating: N-BK7/Fused Silica etc. +0/-0.05mm 1/4λ~1/8λ @632.8nm +/-1% 40-20 <3’ AR or upon request

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Cylindrical Lenses

Cylindrical lenses focus light on a straight line rather than on a single point as spherical lenses do.Its surface is the cross section of the cylinder, focusing the image passing through it onto a straight line parallel to the surface of the lens and intersecting the plane tangent to it.The lens compresses the image in a direction perpendicular to the line, keeping it constant in a direction parallel to it.

Specification：

● Material：

● Dimensional tolerance：

● Surface flatness：

● Focal length

● Surface quality：

● Centration:：

● Coating:

N-BK7/Fused Silica etc.

+0/-0.05mm

1/4λ~1/8λ @632.8nm

+/-1%

40-20

<3’

AR or upon request

柱面透镜是把光聚焦到一条直线上，而不是像球面透镜那样聚焦到一点。它的曲面是圆柱体的截面，将通过它的图像聚焦到平行于透镜表面与与之相切的平面相交的直线上。透镜在垂直于这条线的方向上压缩图像，使它在平行于它的方向上保持不变。

Keyword:

柱面镜

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