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Custom Off-Axis Paraboloids

Optical Surfaces Ltd.Request Info
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Optical Surfaces Ltd. can typically produce off-axis parabolic mirrors up to 600 mm in diameter with surface accuracies to λ/20 peak-to-valley, depending upon off-axis angles. With proprietary polishing techniques, the company can, depending upon the surface accuracy required, achieve the natural limit to the off-axis angle of around 25° to 30° and surface micro-roughness on aspherics of ~1 nm rms. Coatings are available for standard and custom components from metallic, with or without protective overcoat, to multilayer dielectrics and ultrahard coatings. Applications include high-power laser focusing, focusing upon astronomical objects, collimating reference wavefronts, beam expansion, median time to failure measurement, minimum resolvable temperature difference testing and boresight alignment for missile guidance systems.

Photonics Spectra
Jul 2011

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asphericsastronomical objectsbeam expansionbore sight alignmentbroadbandcoatingscollimating reference wavefrontsEnglandEuropeISO 9001-2000laser focusingmetallicmirrorsmissile guidanceMRTDMTFmultilayer dielectricsmultiple wavelengthNew Productsoff-axis anglesOptical Surfacesopticsparabolic mirrorsresolvable temperature differenceultrahard coatingsunobstructed aperture

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