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Custom Off-Axis Paraboloids

Photonics Spectra
Jul 2011
Optical Surfaces Ltd.Request Info
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.


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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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