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Momentum of Light Drives Elastic Waves with Unique Signatures

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The exact nature of how light interacts with matter is the focus of an international research study including researchers from Brazil and Slovenia and led by professor Kenneth Chau at the University of British Columbia (UBC). The team measured picometer-scale surface displacements on a solid-state dielectric mirror illuminated by a laser light pulse, under experimental conditions designed to minimize absorption. Simulations of momentum deposition and material deformation yielded waveforms that closely matched the experimental measurement, confirming that the measured surface...Read full article

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    Published: August 2018
    Research & TechnologyAmericasEuropeeducationLasersLight SourcesOpticsoptical physicsphotoacousticsMaterialsTech Pulse

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