Enabling focusing around the corner in multiple scattering media

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

doi:10.1364/AO.54.007740

Applied Optics
Vol. 54,
Issue 25,
pp. 7740-7746
(2015)
•https://doi.org/10.1364/AO.54.007740

Enabling focusing around the corner in multiple scattering media

Saara-Maarit Reijn, Felipe A. Pinheiro, Dimitri Geskus, and Niklaus U. Wetter

Not Accessible

Your library or personal account may give you access

Get PDF
Email
Share
Get Citation
Copy Citation Text
Saara-Maarit Reijn, Felipe A. Pinheiro, Dimitri Geskus, and Niklaus U. Wetter, "Enabling focusing around the corner in multiple scattering media," Appl. Opt. 54, 7740-7746 (2015)

Export Citation
- BibTex
- Endnote (RIS)
- HTML
- Plain Text
Citation alert
Save 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.

Full Article | PDF Article

More Like This

Three-dimensional imaging through scattering media using a single pixel detector

Kobra Soltanlou and Hamid Latifi
Appl. Opt. 58(28) 7716-7726 (2019)

Measuring optical transmission matrices by wavefront shaping

Jonghee Yoon, KyeoReh Lee, Jongchan Park, and YongKeun Park
Opt. Express 23(8) 10158-10167 (2015)

Structured illumination behind turbid media

A. Malavalli, M. Ackermann, and C. M. Aegerter
Opt. Express 24(20) 23018-23026 (2016)

Previous Article Next Article

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (9)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (5)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (2)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Parameter	Value	Unit
$s$	35	Pixels
$N$	196	Segments
phase steps	10	–
${ROI}_{CCD}$	5	Pixels

Measurement	Enhancement Factor [-]	$I_{ROI}$ [Gray Level]
a	10	11
b	13	7
c	18	5
d	21	6

Parameter	Value	Unit
$s$	10	Pixels
$N$	100	Segments
Phase steps	10	–
${ROI}_{CCD}$	5	Pixels

	Configuration
Parameter	Transversal (mm)	Lateral (mm)
$D_{2}$	$\sim 7.0$	$\sim 7.5$
$z_{0}$	2	0.5

	Configuration
Parameter	Transversal (μm)	Lateral (μm)
FWHM $w_{0, experimental}$ (Fig. 8)	$0.7 \pm 0.1$	$0.6 \pm 0.1$
½ of $1 / e^{2} w_{0, experimental}$	$0.6 \pm 0.1$	$0.5 \pm 0.1$
$z_{R, experimental}$ (Fig. 9)	$2.0 \pm 0.5$	$1.6 \pm 0.5$
$z_{R, theoretical}$ [Eq. (1)]	$1.8 \pm 0.1$	$1.3 \pm 0.1$

Abstract

Cited By

Figures (9)

Tables (5)

Equations (2)

Metrics

Applied Optics

Login or Create Account