Sub-diffraction computational imaging via a flexible multicore-multimode fiber

Lyu, Zhouping; Abrashitova, Ksenia; de Boer, Johannes; Andresen, Esben; Rigneault, Hervé; Amitonova, Lyubov

Document type :

Article dans une revue scientifique: Article original

DOI :

10.1364/OE.481052

Title :

Sub-diffraction computational imaging via a flexible multicore-multimode fiber

Author(s) :

Lyu, Zhouping [Auteur]
Vrije Universiteit Amsterdam [Amsterdam] [VU]
Abrashitova, Ksenia [Auteur]
de Boer, Johannes [Auteur]
Vrije Universiteit Amsterdam [Amsterdam] [VU]
Andresen, Esben [Auteur]

Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Rigneault, Hervé [Auteur]
MOSAIC [MOSAIC]
Institut FRESNEL [FRESNEL]
Amitonova, Lyubov [Auteur]
Vrije Universiteit Amsterdam [Amsterdam] [VU]

Journal title :

Optics Express

Pages :

11249-11260

Publisher :

Optical Society of America - OSA Publishing

Publication date :

2023

ISSN :

1094-4087

HAL domain(s) :

Physique [physics]/Physique [physics]/Optique [physics.optics]

English abstract : [en]

An ultra-thin multimode fiber is an ideal platform for minimally invasive microscopy with the advantages of a high density of modes, high spatial resolution, and a compact size. In practical applications, the probe needs ...
Show more >An ultra-thin multimode fiber is an ideal platform for minimally invasive microscopy with the advantages of a high density of modes, high spatial resolution, and a compact size. In practical applications, the probe needs to be long and flexible, which unfortunately destroys the imaging capabilities of a multimode fiber. In this work, we propose and experimentally demonstrate sub-diffraction imaging through a flexible probe based on a unique multicoremultimode fiber. A multicore part consists of 120 Fermat's spiral distributed single-mode cores. Each of the cores offers stable light delivery to the multimode part, which provides optimal structured light illumination for sub-diffraction imaging. As a result, perturbation-resilient fast sub-diffraction fiber imaging by computational compressive sensing is demonstrated.Show less >

Language :

Anglais

Peer reviewed article :

Oui

Audience :

Internationale

Popular science :

Non

Collections :

Laboratoire de Physique des Lasers, Atomes et Molécules (PhLAM) - UMR 8523

Source :

Harvested from HAL

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