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    Researchers Demonstrate VCSEL Control Using Ultrathin Metalenses

    Article obtained from Photonics RSS Feed.

    Researchers led by Patrice Genevet of the Centre de Recherche sur l’Hétéro-Epitaxie et ses Applications (CRHEA) at the University Côte d’Azur and collaborators at the Key Laboratory of Optoelectronics Technology at Beijing University of Technology have demonstrated a way to achieve single-axis control in vertical-cavity surface-emitting lasers (VCSELs) using flat, ultrathin optical structures called metalenses.
    Beam deflection performance of the MS-VCSELs. a. Optical images of the designed metasurfaces for beam steering. b. Radius of the beams deflected at different angles as a function of the propagation distance, which can be well-fitted into Gaussian functions. c. Measured beam patterns of the…

    Feb, 11 2020 |

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