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Wide-Ranging Crystals

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NEW YORK, May 22, 2008 -- Crystals with a tunability range of as much as 460 nm -- about triple those of earlier crystals -- have the widest bandwidth and the most NIR-shifted wavelength range for laser operation ever demonstrated for the Cr3+ ion, said Robert R. Alfano, who earlier this month was awarded the Optical Society of America’s Charles Hard Townes Award for his discovery of and work on the supercontinuum. Alfano is a science and engineering professor and director of the Institute for Ultrafast Spectroscopy and Lasers (IUSL) in the physics department at City College of New York (CCNY) , where the new...Read full article

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    Published: May 2008
    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.
    optical
    Pertaining to optics and the phenomena of light.
    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...
    BiophotonicsCCNYCharles Hard TowneschromiumCommunicationscrystalsfiber opticsnanoNews & FeaturesNIRopticalOptical Society of AmericaphotonicstunabilitytunableTunable LasersultrafastDr. Robert AlfanoLasers

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