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Hamamatsu Corp. - Earth Innovations LB 2/24

Subwavelength Optical Fiber Sensitive to Sound

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Subwavelength optical fibers that produce a newly identified type of Brillouin light scattering could guide the development of highly sensitive sensors. A team at the Femto-ST Institute, in collaboration with the Institute of Optics’ Charles Fabry Laboratory, made this discovery upon heating and stretching optical fibers used in telecommunications that measured 125 µm in diameter, and then injecting a laser beam into silica microwires. Brillouin light scattering was observed during the process. In conventional optical fibers, the phenomenon induces...Read full article

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    Published: November 2014
    Glossary
    acousto-optics
    Discipline within optical physics that addresses sound vibration, phonon effects and their influencing behavior within optical elements and systems.
    Research & TechnologySensors & Detectorsfiber opticsFemto-ST InstituteInstitut d'OptiqueCharles Fabry LaboratoryBrillouin light scatteringSubwavelength optical fiberseducationEuropeacousto-opticssoundBrillouinTech Pulse

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