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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Coating Copies Biosurfaces

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UNIVERSITY PARK, Pa., Sept. 17, 2008 -- A thin coating of glass has been used to rapidly and inexpensively copy the micro- and nanostructure of biological surfaces to exploit properties such as light interaction, thermal ability and adhesion. The research could one day lead to cars with an insect-like metallic finish, or the deep black of a butterfly's wing, with reflectors patterned after the nanostructure of a fly's eyes, according to Penn State researchers who have developed the method. Butterflies, flies, flower petals, leaves and other plants and animals may one day become the template for ultrathin coatings of glass,...Read full article

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    Published: September 2008
    Glossary
    adhesion
    The intermolecular attraction between two surfaces, as between a substrate and a coating; it is an important factor in the durability of optical thin films.
    infrared
    Infrared (IR) refers to the region of the electromagnetic spectrum with wavelengths longer than those of visible light, but shorter than those of microwaves. The infrared spectrum spans wavelengths roughly between 700 nanometers (nm) and 1 millimeter (mm). It is divided into three main subcategories: Near-infrared (NIR): Wavelengths from approximately 700 nm to 1.4 micrometers (µm). Near-infrared light is often used in telecommunications, as well as in various imaging and sensing...
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    optical
    Pertaining to optics and the phenomena of light.
    optoelectronic
    Pertaining to a device that responds to optical power, emits or modifies optical radiation, or utilizes optical radiation for its internal operation. Any device that functions as an electrical-to-optical or optical-to-electrical transducer. Electro-optic often is used erroneously as a synonym.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    reflector
    A type of conducting surface or material used to reflect radiant energy.
    surface
    1. In optics, one of the exterior faces of an optical element. 2. The process of grinding or generating the face of an optical element.
    adhesionAkhlesh LakhtakiabioinspirationbiologicalbiomimeticsBiophotonicsbutterflyCEFRchalcogenic glassCoatingsconformal evaporated film by rotationenergyflygreen photonicsinfrarediridescentleaveslensesLOTUSMartin-PalmaMEMSmetallicnanonanostructureNews & FeaturesopticaloptoelectronicPenn Statephotonicsphotovoltaicsreflectorsolarsuperhydrophobicsurfacethermalwings

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