Dr GEORGE GORDON GEORGE.GORDON@NOTTINGHAM.AC.UK
ASSOCIATE PROFESSOR
Diffractive metasurface light-shaping from fiber endoscope probes for increased depth of field
Gordon, George; He, Fei; Fuentes-Dominguez, Rafael; Cousins, Richard; Mellor, Christopher J.; Barton, Jennifer K.; Gordon, George S. D.
Authors
Dr FEI HE FEI.HE@NOTTINGHAM.AC.UK
RESEARCH FELLOW
Dr RAFAEL FUENTES DOMINGUEZ RAFAEL.FUENTESDOMINGUEZ1@NOTTINGHAM.AC.UK
RESEARCH FELLOW
Richard Cousins
Dr CHRISTOPHER MELLOR chris.mellor@nottingham.ac.uk
ASSOCIATE PROFESSOR AND READER IN PHYSICS
Jennifer K. Barton
George S. D. Gordon
Abstract
In applications such as optical coherence tomography, there is a need both to achieve large depth of field by light shaping and to maintain ultracompact form factors. Flat metasurfaces on optical fibers can achieve such requirements, with designs such as encapsulated diffractive axicon masks. They have the advantages of simple fabrication and transfer, scalability to multi-layer structures and ability to wavelength and/or polarization control. We show a method to shape light from optical fibers via diffractive metallic metalenses bonded onto fiber facets. We discuss a novel process for fabrication and, as proof-of-principle, demonstrate Fresnel zone plates and diffractive axicons on optical fiber facets.
Citation
He, F., Gordon, G., Fuentes-Dominguez, R., Cousins, R., Mellor, C. J., Barton, J. . K., & Gordon, G. S. . D. Diffractive metasurface light-shaping from fiber endoscope probes for increased depth of field. Presented at Endoscopic Microscopy XVIII, San Francisco, USA
Presentation Conference Type | Conference Paper (published) |
---|---|
Conference Name | Endoscopic Microscopy XVIII |
Acceptance Date | Jan 20, 2023 |
Online Publication Date | Mar 14, 2023 |
Publication Date | Mar 14, 2023 |
Deposit Date | Apr 3, 2023 |
Publicly Available Date | May 9, 2023 |
Journal | Proceedings of SPIE |
Print ISSN | 0277-786X |
Electronic ISSN | 1996-756X |
Publisher | Society of Photo-optical Instrumentation Engineers |
Peer Reviewed | Peer Reviewed |
Volume | 12356 |
Article Number | 1235606 |
ISBN | 9781510658172 |
DOI | https://doi.org/10.1117/12.2648860 |
Public URL | https://nottingham-repository.worktribe.com/output/18817271 |
Publisher URL | https://www.spiedigitallibrary.org/conference-proceedings-of-spie/12356/2648860/Diffractive-metasurface-light-shaping-from-fiber-endoscope-probes-for-increased/10.1117/12.2648860.short |
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Diffractive Metasurface Light Shaping From Fiber Endoscope Probes For Increased Depth Of Field2
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