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Complex States of Light Generated via Metasurface

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Researchers have designed a method for converting arbitrary spin angular momentum (SAM) states of light into total angular momentum states. This method is characterized by the superposition of independent orbital angular momentum (OAM) and could lead to the generation of novel states of light for research and applications. A metasurface uses circularly polarized light to generate and control new and complex states of light, such as swirling vortices. The tool can be used to develop new applications for structured light. Courtesy of Second Bay Studio/Harvard SEAS. Researchers at the...Read full article

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    Published: November 2017
    Glossary
    freeform optics
    Freeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes, such as spheres or aspheres. Unlike standard optical components with symmetric and rotationally invariant surfaces, freeform optics feature non-rotationally symmetric and often complex surfaces. These surfaces can be tailored to meet specific optical requirements, offering greater flexibility in designing optical systems and achieving improved performance. Key points about...
    structured light
    The projection of a plane or grid pattern of light onto an object. It can be used for the determination of three-dimensional characteristics of the object from the observed deflections that result.
    Research & TechnologyeducationAmericasLight SourcesOpticsfreeform opticsCommunicationsmetasurfaceorbital momentumstructured lightpolarized lightorbital angular momentumspin angular momentumCapasso LabFederico CapassoTech Pulse

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