On-Demand Optical Singularities Strengthen Range of Applications - IDEX Health & ScienceIDEX Health & Science

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    On-Demand Optical Singularities Strengthen Range of Applications

    Article obtained from Photonics RSS Feed.

    A group led by Federico Capasso at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) has broadened the study of optical singularities to include to zero-dimensional (point) and 2D (sheet) optical singularities. The group developed a way to engineer 2D singularity sheets on demand.

    The advance could have practical value for numerous applications. To date, the study of optical singularities — regions of darkness surrounded by light — has centered on optical vortices. These beams have helical wavefronts and a 1D singularity along the optical axis.

    “Conventional holography techniques are good at shaping light, but struggle to shape the darkness,” Capasso said. “We have…

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    Jul, 26 2021 |

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