Spherical Lenses

For fiber lasers, high-power lasers, and UV lasers

Spherical lenses are optical components that are permeable to certain light spectra. At least one of the two optically active surfaces is curved. Single lenses are available with concave and convex radii and combinations thereof. Depending on the type of curvature &#; concave or convex &#; they focus a laser beam or widen it.

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Lens systems, i.e. individual lenses combined to form lens groups, are used to correct the spherical aberrations that generally occur when spherical lenses are used. The areas of application for spherical lenses are diverse and range &#; depending on the material, curvature, and coating &#; from UV lasers to IR lasers.

Coated Spherical Lenses

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LASER COMPONENTS has extensive manufacturing capabilities for coating spherical lenses of almost any shape &#; from plano-convex/concave to biconvex/concave to meniscus-shaped &#; with diameters from 6 mm to over 300 mm of the highest quality (typical for a Ø of 1&#;: 3/0.2, S&D 20-10) in various materials (BK7, quartz glass, and sapphire; other substrate materials are available upon request). The surface roughness is <0.5 nm RMS.

Anti-reflective (AR) coatings are applied to the optical surfaces to increase the performance of the optics through higher transmission and to reduce laser-induced risks due to reflections. All AR coatings used by LASER COMPONENTS are optimized for high-power lasers and are available for the wavelength range from 248 mm to mm. Both the bandwidth (depending on the wavelength) and the efficiency of the coating are influenced by different designs and different coating materials.

Many lenses are available from stock at low cost. Customized optics are our day-to-day business and can be manufactured in-house at short notice. We advise you in the selection of a suitable substrate, with regards to the lens shape/lens radius, and on a suitable AR coating.

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