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Alluxa - Optical Coatings LB 8/23

Thin-Film-Coating Nuances of UV Optics

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The ultraviolet region of the spectrum comes with unique coating challenges, but choosing the right coating technique can optimize the optics for the application at hand.

Alan Graham and Stephen Vincent, Agilent Technologies

Over the past decade, thin-film coating technology and designs have improved significantly, resulting in lower-loss filters and in mirrors that are more spectrally accurate and that perform better under a variety of operational environments. In the previous decade, state-of-the-art evaporation chambers were limited to much fewer than 100 coating layers; now with the improvements in ion-assisted deposition and sputtering, key process metrics (i.e., pressure, temperature and deposition rate) can be controlled with sufficient precision to enable thin films with several hundred coating...Read full article

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    Published: February 2008
    Glossary
    metrology
    Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement, including the development of measurement standards, techniques, and instruments, as well as the application of measurement principles in various fields. The primary objectives of metrology are to ensure accuracy, reliability, and consistency in measurements and to establish traceability to recognized standards. Metrology plays a crucial role in science, industry,...
    CoatingsCommunicationsFeaturesFiltersindustrialmetrologymirrorsthin-film coating technology

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