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Two-photon polymerisation 3D printed freeform micro-optics for optical coherence tomography fibre probes

Li, Jiawen, Fejes, Peter, Lorenser, Dirk, Quirk, Bryden C., Noble, Peter B., Kirk, Rodney W., Orth, Antony, Wood, Fiona M., Gibson, Brant C., Sampson, David D. and McLaughlin, Robert A. (2018) Two-photon polymerisation 3D printed freeform micro-optics for optical coherence tomography fibre probes Scientific Reports, 8 (1), 14789. pp. 1-9.

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Abstract

Miniaturised optical coherence tomography (OCT) fibre-optic probes have enabled high-resolution cross-sectional imaging deep within the body. However, existing OCT fibre-optic probe fabrication methods cannot generate miniaturised freeform optics, which limits our ability to fabricate probes with both complex optical function and dimensions comparable to the optical fibre diameter. Recently, major advances in two-photon direct laser writing have enabled 3D printing of arbitrary three-dimensional micro/nanostructures with a surface roughness acceptable for optical applications. Here, we demonstrate the feasibility of 3D printing of OCT probes. We evaluate the capability of this method based on a series of characterisation experiments. We report fabrication of a micro-optic containing an off-axis paraboloidal total internal reflecting surface, its integration as part of a common-path OCT probe, and demonstrate proof-of-principle imaging of biological samples.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Health Sciences
Authors :
NameEmailORCID
Li, Jiawen
Fejes, Peter
Lorenser, Dirk
Quirk, Bryden C.
Noble, Peter B.
Kirk, Rodney W.
Orth, Antony
Wood, Fiona M.
Gibson, Brant C.
Sampson, David D.d.sampson@surrey.ac.uk
McLaughlin, Robert A.
Date : 4 October 2018
DOI : 10.1038/s41598-018-32407-0
Copyright Disclaimer : This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
Depositing User : Clive Harris
Date Deposited : 13 Nov 2018 08:28
Last Modified : 13 Nov 2018 08:30
URI: http://epubs.surrey.ac.uk/id/eprint/849856

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