All-fiber STED microscopy illumination system

Lu Yan; Poul Kristensen; Siddharth Ramachandran

doi:10.1364/CLEO_SI.2016.SM4P.3

Conference on Lasers and Electro-Optics
OSA Technical Digest (2016) (Optica Publishing Group, 2016),
paper SM4P.3
•https://doi.org/10.1364/CLEO_SI.2016.SM4P.3

All-fiber STED microscopy illumination system

Lu Yan, Poul Kristensen, and Siddharth Ramachandran

CLEO: Science and Innovations 2016

San Jose, California United States
5–10 June 2016
ISBN: 978-1-943580-11-8

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Fiber Biophotonics (SM4P)

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L. Yan, P. Kristensen, and S. Ramachandran, "All-fiber STED microscopy illumination system," in Conference on Lasers and Electro-Optics, OSA Technical Digest (2016) (Optica Publishing Group, 2016), paper SM4P.3.

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Abstract

We demonstrate all-fiber STED illumination using vortex fiber modes excited via fiber gratings. The grating’s high purity mode conversion (98.7%) yields a depletion beam with 20.5dB extinction ratio, and the schematic is resistant to fiber bends down to 6mm radius.

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