Long Depth-of-Focus Imaging by a Non-Diffracting Optical Needle under Strong Aberration

Yuichi Kozawa; Yuichi Kozawa; Shunichi Sato

doi:10.1364/CLEO_SI.2017.SF2C.4

Conference on Lasers and Electro-Optics
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper SF2C.4
•https://doi.org/10.1364/CLEO_SI.2017.SF2C.4

Long Depth-of-Focus Imaging by a Non-Diffracting Optical Needle under Strong Aberration

Yuichi Kozawa and Shunichi Sato

CLEO: Science and Innovations 2017

San Jose, California United States
14–19 May 2017
ISBN: 978-1-943580-27-9

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Frequency Comb Applications (SF2C)

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Y. Kozawa and S. Sato, "Long Depth-of-Focus Imaging by a Non-Diffracting Optical Needle under Strong Aberration," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optica Publishing Group, 2017), paper SF2C.4.

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Abstract

We experimentally investigated the focusing property of an annular-shaped beam. Apparent robustness against optical aberration was revealed when an annular-shaped beam is tightly focused in the presence of strong spherical aberration.

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