Speckle-based strain sensing in multimode fiber

MJ Murray, A Davis, C Kirkendall, B Redding - Optics express, 2019 - opg.optica.org
… shows a cartoon of the Rayleigh scattering within the multimode fiber. The inset in the upper
left hand corner shows the recorded backscattered speckle field from the multimode fiber. …

Deep learning for efficiently imaging through the localized speckle field of a multimode fiber

Y Chen, B Song, J Wu, W Lin, W Huang - Applied Optics, 2023 - opg.optica.org
… By overlaying the corresponding RGB information on the same coordinates of the black
background, we can get a discrete speckle field with the same size as the original speckle, which …

Statistical properties of laser speckles produced under illumination from a multimode optical fiber

N Takai, T Asakura - JOSA A, 1985 - opg.optica.org
… the speckle field produced by scattering from an optically rough object that is illuminated by
use of the multimode optical fiber… the speckles emerging from usual multimode fibers must be …

Speckle characterization in multimode fibers for sensing applications

L Rodriguez-Cobo, M Lomer… - Speckle 2012: V …, 2012 - spiedigitallibrary.org
… of speckle patterns of multimode fibers in view of sensing applications and particularly for
detection of vibration or seismic activity. Plastic optical fibers … The multimode fiber was coiled as …

Space division multiplexing in standard multi-mode optical fibers based on speckle pattern classification

J Pauwels, G Van der Sande, G Verschaffelt - Scientific reports, 2019 - nature.com
… multiplexing on standard multimode fibers is robust to … field and the excited modes will
propagate with altered delays 3 . This causes a change in the produced speckle pattern at the fiber

A novel fiber chemical sensor using inner-product multimode fiber speckle fields

B Wang, C Huang, R Guo… - … Fiber and Crystal Devices …, 2003 - spiedigitallibrary.org
… of the fiber speckle field has been … the fiber perturbation and its speckle field is still unsolved,
we have exploited the complex nature of the speckle field to develop a new type of fiber

Multimode random fiber laser for speckle-free imaging

R Ma, YJ Rao, WL Zhang, B Hu - IEEE journal of selected topics …, 2018 - ieeexplore.ieee.org
… sources to meet wide range requirements of the full-field real-time speckle-free imaging. …
effective light source for speckle free imaging, by combining multimode fiber induced low spatial …

Multi-mode fiber-based speckle contrast optical spectroscopy: analysis of speckle statistics

CHP Lin, I Orukari, C Tracy, LK Frisk, M Verma… - Optics Letters, 2023 - opg.optica.org
… However, the current free-space SCOS/T designs are not ideal for large field-of-view … -efficient
multi-mode fiber (MMF) bundles for use in SCOS/T systems. One challenge with speckle

Investigation of speckle suppression beyond human eye sensitivity by using a passive multimode fiber and a multimode fiber bundle

A Lapchuk, Z Le, Y Guo, Y Dai, Z Liu, Q Xu, Z Lu… - Optics …, 2020 - opg.optica.org
… at 1.5 nm is needed to obtain an uncorrelated speckle field. Hence, it is possible to obtain
only three uncorrelated speckle fields by using a laser with the maximum possible temporal …

Optical fiber specklegram chemical sensor based on a concatenated multimode fiber structure

E Fujiwara, LE da Silva, TD Cabral… - Journal of Lightwave …, 2019 - opg.optica.org
fiber chemical sensors based on the speckle field analysis have been reported. In [15] a
multimode-single-mode-multimode (… the fiber modes guided through the singlemode fiber (SMF) …