https://doi.org/10.1051/epjconf/202328709022
Time-of-Flight 3D Single Fibre Endoscopy
1 School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom
2 M-Squared Lasers, Glasgow, United Kingdom
3 University of Exeter, Exeter, United Kingdom
4 Fraunhofer Centre for Applied Photonics, Glasgow, United Kingdom
5 Leibniz Institute of Photonic Technology, Jena, Germany
6 Institute of Scientific Instruments of the CAS, Brno, Czech Republic
* e-mail: simon.mekhail@glasgow.ac.uk
** e-mail: miles.padgett@glasgow.ac.uk
Published online: 18 October 2023
We measure the modal dispersion occurring in a single multimode fibre and account for this using a digital micromirror device to form a raster scanning spot in the far field of the distal facet of the fibre. We perform this with a q-switched 700 ps pulsed laser at a 532 nm wavelength. The raster scanning allows us to spatially interrogate the reflectivity of a scene while the time of flight of the pulse gives distance information allowing for the generation of a three-dimensional image.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
