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Etched Titania Films Could Speed Production of Integrated Photonics

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Tokyo Metropolitan University researchers have achieved high-throughput production of thin, ordered, titania through-hole membranes. The method relies on anodization — a process that increases the thickness of a natural oxide layer on the surface of metal parts, in this case mask-etched titanium — and charts a course for industrial production of ordered titania membranes for integrated photonics. Also known as titanium dioxide, titania is commonly used to make photonic crystals, as the reflective layers in mirrors, as a coating for self-cleaning and anti-fogging surfaces, as...Read full article

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    Published: January 2021
    Glossary
    thin film
    A thin layer of a substance deposited on an insulating base in a vacuum by a microelectronic process. Thin films are most commonly used for antireflection, achromatic beamsplitters, color filters, narrow passband filters, semitransparent mirrors, heat control filters, high reflectivity mirrors, polarizers and reflection filters.
    photonic crystals
    Photonic crystals are artificial structures or materials designed to manipulate and control the flow of light in a manner analogous to how semiconductors control the flow of electrons. Photonic crystals are often engineered to have periodic variations in their refractive index, leading to bandgaps that prevent certain wavelengths of light from propagating through the material. These bandgaps are similar in principle to electronic bandgaps in semiconductors. Here are some key points about...
    industrialproductionfilmfilm coaterthin filmtitaniametal coatingmetal coatingsAsia-Pacifictitanium oxidemanufacturingUVphotonic crystalsResearch & TechnologyeducationCoatingscoatings aerospacearraysnanostructuresMaterialsmaterials coatingsTech Pulse

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