Recent advances in wavefront shaping techniques for biomedical applications

H Yu, J Park, KR Lee, J Yoon, KD Kim, S Lee… - Current Applied …, 2015 - Elsevier
Due to the highly inhomogeneous distributions of refractive indexes, light propagation in
complex media such as biological tissue experiences multiple light scattering events. The …

Learning to image and compute with multimode optical fibers

B Rahmani, I Oguz, U Tegin, J Hsieh, D Psaltis… - …, 2022 - degruyter.com
Multimode fibers (MMF) were initially developed to transmit digital information encoded in
the time domain. There were few attempts in the late 60s and 70s to transmit analog images …

Multimode optical fiber transmission with a deep learning network

B Rahmani, D Loterie, G Konstantinou… - Light: science & …, 2018 - nature.com
Multimode fibers (MMFs) are an example of a highly scattering medium, which scramble the
coherent light propagating within them to produce seemingly random patterns. Thus, for …

Seeing through chaos in multimode fibres

M Plöschner, T Tyc, T Čižmár - Nature photonics, 2015 - nature.com
In a similar fashion to diffusers or other highly scattering media, multimode fibres deliver
coherent light signals in the form of apparently random speckled patterns. In contrast to other …

Harnessing disorder for photonic device applications

H Cao, Y Eliezer - Applied Physics Reviews, 2022 - pubs.aip.org
For photonic devices, structural disorder and light scattering have long been considered
annoying and detrimental features that were best avoided or minimized. This review shows …

Actor neural networks for the robust control of partially measured nonlinear systems showcased for image propagation through diffuse media

B Rahmani, D Loterie, E Kakkava, N Borhani… - Nature Machine …, 2020 - nature.com
The output of physical systems, such as the scrambled pattern formed by shining the spot of
a laser pointer through fog, is often easily accessible by direct measurements. However …

Adaptive wavefront shaping for controlling nonlinear multimode interactions in optical fibres

O Tzang, AM Caravaca-Aguirre, K Wagner… - Nature Photonics, 2018 - nature.com
Recent progress in wavefront shaping has enabled control of light propagation inside linear
media to focus and image through scattering objects. In particular, light propagation in …

Real-time resilient focusing through a bending multimode fiber

AM Caravaca-Aguirre, E Niv, DB Conkey, R Piestun - Optics express, 2013 - opg.optica.org
Multimode optical fibers are attractive for biomedical and sensing applications because they
possess a small cross section and can bend over small radii of curvature. However, mode …

[HTML][HTML] Imaging through multimode fibers using deep learning: The effects of intensity versus holographic recording of the speckle pattern

E Kakkava, B Rahmani, N Borhani, U Teğin… - Optical Fiber …, 2019 - Elsevier
Abstract Information transmission through multimode fibers (MMFs) has been a topic of great
interest for many years. Deep learning algorithms have been applied successfully to MMFs …

[图书][B] Optical superresolution

Z Zalevsky, D Mendlovic - 2004 - books.google.com
This book explores ways to improve the classical resolution limits of an imaging system.
Various approaches dealing with exceeding the limita tions of the lens aperture, the pixel's …