Super-resolution hollow beams with long depth of focus formed by diffractive optical elements

Ning Xu; Qiaofeng Tan

doi:10.1364/FIO.2020.FW1A.7

Frontiers in Optics / Laser Science
OSA Technical Digest (Optica Publishing Group, 2020),
paper FW1A.7
•https://doi.org/10.1364/FIO.2020.FW1A.7

Super-resolution hollow beams with long depth of focus formed by diffractive optical elements

Ning Xu and Qiaofeng Tan

Frontiers in Optics 2020

Washington, DC United States
14–17 September 2020
ISBN: 978-1-943580-80-4

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Coherence and Vector Beams (FW1A)

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N. Xu and Q. Tan, "Super-resolution hollow beams with long depth of focus formed by diffractive optical elements," in Frontiers in Optics / Laser Science, B. Lee, C. Mazzali, K. Corwin, and R. Jason Jones, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper FW1A.7.

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Abstract

We generate the super-resolution hollow beams with long depth of focus (DOF) by diffractive optical elements (DOEs). The hollow beams can provide great flexibility by controlling spot size and DOF through the DOEs parameters.

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