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Cylindrical LensesThese cylindrical lenses are designed for applications requiring one-dimensional shaping of a light source. They are offered in either plano-concave or plano-convex configurations, which are meant to expand or focus light, respectively. Choose from N-BK7 glass, UV fused silica, or CaF2, all of which are available uncoated or with an antireflection coating. For more information on these substrates, please visit our Optical Substrates page. We also offer round versions of our cylindrical lenses. For applications requiring minimal aberration, we offer acylindrical lenses and cylindrical achromatic doublets. Powell lenses, which are used to generate flat-top laser line projections, are also available.