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Hamamatsu Corp. - Earth Innovations LB 2/24

Focusing on nanoplasmonics

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By imaging fluorescence from gold within a bow tie-shaped plasmonic device, scientists can now study plasmonic fields in nanostructures such as a strand of DNA or a quantum dot without altering the structures’ behavior. Typical plasmonic devices crowd electromagnetic waves into tiny metal structures that concentrate the energy into nanoscale dimensions. By coupling electronics with photonics in these nanostructures, these devices could be harnessed for high-speed data transmission or ultrafast detector arrays. However, studying nanostructures is problematic because examining them...Read full article

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    Published: April 2011
    Glossary
    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.
    quantum dots
    A quantum dot is a nanoscale semiconductor structure, typically composed of materials like cadmium selenide or indium arsenide, that exhibits unique quantum mechanical properties. These properties arise from the confinement of electrons within the dot, leading to discrete energy levels, or "quantization" of energy, similar to the behavior of individual atoms or molecules. Quantum dots have a size on the order of a few nanometers and can emit or absorb photons (light) with precise wavelengths,...
    AmericasantennaeBasic ScienceBiophotonicsbowtie-shaped plasmonic devicesdata transmissionDepartment of Energydetector arraysdetectorsDNAelectromagnetic wavesFiltersImagingimaging fluorescenceLawrence Berkeley National Laboratorymetal nanostructuresMITMolecular Foundrynanonano-color sorterNanoscale Science Research CenternanostructuresNational Science FoundationaNetwork for Computational Nanotechnologyplasmonic devicesplasmonic fieldsquantum dotsResearch & TechnologySensors & DetectorsSoftwareTech Pulsevisible lightLasers

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