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Knight Optical can offer Cylindrical Lenses for use within Optical Systems. We supply a range of cylindrical lenses for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers with optical systems. Cylindrical lenses are designed to light to a straight line, rather than a point. Cylindrical lenses are often used to change the profile of laser beams, for example to correct for astigmatism and elliptic shape in diode lasers or to generate lines from single mode lasers. For more information read the PDF… Typical specs::. Material::N-BK7 or equivalent, UV Fused Silica, SF11 or equivalent Dimensional Tolerances::+/- 0.1mm Shapes::Diameter/Rectangular, Convex/Concave Centering::< 3 arcminutes Surface quality::< 40-20 Scratch/Dig Surface Figure: :< 5(1) @ 633nm Coating::Antireflective coatings for application bandwidth (if required)