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Enabling focusing around the corner in multiple scattering media

Enabling focusing around the corner in multiple scattering media
Enabling focusing around the corner in multiple scattering media
We report an alternative experimental setup to laterally focus light at an angle of 90 deg relative to turbid, multiple scattering media, using preprocessing wavefront shaping. We compare the measured image quality to one obtained in the usual configuration for focusing light through turbid media, where focusing occurs behind the scattering sample. We demonstrate that the depth of focus in the lateral configuration is of the same order of the usual transversal one because both setups are designed to operate in the deep Fresnel zone. This result shows that this novel, versatile lateral configuration allows for effectively focusing around corners through multiple scattering samples.
0003-6935
7740-7746
Reijn, Saara-Maarit
742af177-7740-4658-aaeb-280c8669e181
Pinheiro, Felipe A.
41038dd7-bdae-4a3f-b2e6-396455716d46
Geskus, Dimitri
6984b158-8a63-4d59-b5f8-b50452a228e7
Wetter, Niklaus U.
a781fbd8-aff5-4f08-a421-9595487af1ec
Reijn, Saara-Maarit
742af177-7740-4658-aaeb-280c8669e181
Pinheiro, Felipe A.
41038dd7-bdae-4a3f-b2e6-396455716d46
Geskus, Dimitri
6984b158-8a63-4d59-b5f8-b50452a228e7
Wetter, Niklaus U.
a781fbd8-aff5-4f08-a421-9595487af1ec

Reijn, Saara-Maarit, Pinheiro, Felipe A., Geskus, Dimitri and Wetter, Niklaus U. (2015) Enabling focusing around the corner in multiple scattering media. Applied Optics, 54 (25), 7740-7746. (doi:10.1364/AO.54.007740).

Record type: Article

Abstract

We report an alternative experimental setup to laterally focus light at an angle of 90 deg relative to turbid, multiple scattering media, using preprocessing wavefront shaping. We compare the measured image quality to one obtained in the usual configuration for focusing light through turbid media, where focusing occurs behind the scattering sample. We demonstrate that the depth of focus in the lateral configuration is of the same order of the usual transversal one because both setups are designed to operate in the deep Fresnel zone. This result shows that this novel, versatile lateral configuration allows for effectively focusing around corners through multiple scattering samples.

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Published date: 28 August 2015

Identifiers

Local EPrints ID: 441593
URI: http://eprints.soton.ac.uk/id/eprint/441593
ISSN: 0003-6935
PURE UUID: d7c260a6-d748-4bf3-97aa-41385aaa78c8

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Date deposited: 18 Jun 2020 16:53
Last modified: 16 Mar 2024 08:15

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Contributors

Author: Saara-Maarit Reijn
Author: Felipe A. Pinheiro
Author: Dimitri Geskus
Author: Niklaus U. Wetter

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