AXICON - PLANO CONCAVE
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Catalog excerpts

AXICON - PLANO CONCAVE - 1

axicons Axicons are optical components with at least one conical surface. It is possible to have different combinations of concave or convex conical surfaces on one side with plano or spherical surfaces on the other side, i.e., plano-convex, plano-concave, double convex, etc. Optical axicons are optical components with a conical surface on one side and plan or spherical surface on the other side. They are made of optically transparent or filter materials with polished opposite sides, ground edges and chamfers. An axicon made up of conical and flat surface produces a line image along the axis from a point light source. On the other hand, an axicon made up of conical and spherical surfaces focus parallel beam into a ring on a given distance. The conical surface can be concave or convex depending of the axicon angle. Different coatings can be applied on the polished sides of axicons. The convex conical surface can be used as a mirror axicon. Axicons are used to transform laser beams into infinite focus beams or to focus collimated beam into a ring. They later can be used for laser material processing. Lens Type Operating Wavelength Available base angle Available diameter Diameter tolerance Central Thickness function of base abgle and diameter Conic Irregularities Flatness (plano side) 2S-VIS : broad band 2 side AR coating @ 600 – 900 nm 2S-NIR : broad band 2 side AR coating @ 750 – 1100 nm other custom base angle and AR coating are available upon request

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AXICON - PLANO CONCAVE - 2

Lens Type Operating Wavelength Available base angle Available diameter Diameter tolerance Central Thickness function of base abgle and diameter Conic Irregularities Flatness (plano side) 2S-VIS : broad band 2 side AR coating @ 600 – 900 nm 2S-NIR : broad band 2 side AR coating @ 750 – 1100 nm other custom base angle and AR coating are available upon request

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AXICON - PLANO CONCAVE - 3

Lens Type Material Operating Wavelength Available base angle Available focal length Available diameter Diameter tolerance Central Thickness function of base abgle and diameter Conic Irregularities Radius tolerance Radius irregularities 2S-VIS : broad band 2 side AR coating @ 600 – 900 nm 2S-NIR : broad band 2 side AR coating @ 750 – 1100 nm other custom diameter and custom AR coating are available upon request

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