Plano-convex lens element
cylindricalBK7visible

plano-convex lens element
plano-convex lens element
plano-convex lens element
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Characteristics

Geometry/curvature
plano-convex, cylindrical
Material
BK7
Optical characteristics
visible
Other characteristics
anti-reflective

Description

Features Fabricated from N-BK7 Glass Collimates and Circularizes the Output of a Laser Diode Uncoated Wavelength Range: 350 nm - 2.0 µm Focal Lengths from 3.9 mm to 1000.0 mm Available Positive cylindrical lenses are ideal for applications requiring magnification in one dimension. While spherical lenses act symmetrically in two dimensions on an incident ray, cylindrical lenses act in the same manner but only in one dimension. A typical application is to use a pair of cylindrical lenses to provide anamorphic shaping of a beam. A pair of positive cylindrical lenses can be used to collimate and circularize the output of a laser diode. Another application possibility would be to use a single lens to focus a diverging beam onto a detector array. To minimize the introduction of spherical abberations, collimated light should be incident on the curved surface when focusing it to a line, and light from a line source should be incident on the plano surface when collimating.

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