N-BK7 Plano-Convex Cylindrical Lenses

Our N-BK7 Cylindrical Lenses are manufactured from fine annealed glass and are available in many shapes, uncoated or coated. Rectangular, plano-convex and plano-concave cylindrical lenses feature λ/2 and λ/4 surface accuracy in the Y- and X-axis, respectively, 40-20 scratch-dig surface quality, and they can be coated with a variety of multi-layer antireflection coatings. Circular, plano-convex cylindrical lenses feature 60-40 scratch-dig surface quality and can be coated with a single-layer MgF2 antireflection coating. N-BK7 is an excellent lens material for most visible and NIR applications. It provides great performance at a good value with its high homogeneity, low bubble and inclusion content and straightforward manufacturability.

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