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Meadowlark Optics - Wave Plates 6/24 LB 2024

Optical Coatings with Atomic Precision

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Atomic layer deposition allows for conformal coatings on arbitrarily shaped surfaces — and with nanopores, performance capabilities go even higher.

ADRIANA SZEGHALMI, FRAUNHOFER IOF

Today, optical coatings are a commodity: They exist on all types of professional and consumer optics. Among the various technologies for depositing optical coatings1,2, atomic layer deposition (ALD) stands out for its conformal coating on high-aspect-ratio nanostructured and steeply curved surfaces. ALD is a cyclic procedure in which single atomic layers are grown on surfaces, which allows for precise thickness and composition control. It is a modified version of chemical vapor deposition (CVD), which is still dominant for numerous applications. And with the miniaturization of integrated...Read full article

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    Published: April 2019
    atomic layer depositionALDnanoporesnovel plasma enhanced ALDPEALDaspheric lensesOpticscurved surfacesAR coatingsnanoporous coatingsNP coatingshigh damage thresholdhigh-power lasersnanostructuresFeatures

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