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Meadowlark Optics - Wave Plates 6/24 LB 2024

Intrazeolite PbS Quantum Dots with Nonlinear Properties Observed

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Michael A. Greenwood

At Sogang University in Seoul, South Korea, scientists have successfully incorporated lead sulfide quantum dots into zeolite-Y films and found high levels of third-order nonlinear optical activity. The material could be used for optical switches, computers and limiters; saturable absorbers; infrared detectors for medical and military applications; and laser components. Intrazeolite quantum dots offer several advantages: They are nearly identical in size, usually smaller than 1.5 nm and exist regularly within the crystalline hosts. Measuring their optical properties, however, has not been...Read full article

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    Published: January 2007
    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.
    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...
    BiophotonicsCommunicationsdefenseFeatureslead sulfide quantum dotsnanononlinear optical activityphotonicsSensors & DetectorsSogang University

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