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Focusing light through scattering media by full-polarization digital optical phase conjugation

Shen, Yuecheng and Liu, Yan and Ma, Cheng and Wang, Lihong V. (2016) Focusing light through scattering media by full-polarization digital optical phase conjugation. Optics Letters, 41 (6). pp. 1130-1133. ISSN 0146-9592. PMCID PMC4795172. http://resolver.caltech.edu/CaltechAUTHORS:20160617-150841162

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Abstract

Digital optical phase conjugation (DOPC) is an emerging technique for focusing light through or within scattering media such as biological tissue. Since DOPC systems are based on time reversal, they benefit from collecting as much information about the scattered light as possible. However, existing DOPC techniques record and subsequently phase-conjugate the scattered light in only a single-polarization state, limited by the operating principle of spatial light modulators. Here, we develop the first, to the best of our knowledge, full-polarization DOPC system that records and phase-conjugates scattered light along two orthogonal polarizations. When focusing light through thick scattering media, such as 2 mm and 4 mm-thick chicken breast tissue, our full-polarization DOPC system on average doubles the focal peak-to-background ratio achieved by single-polarization DOPC systems and improves the phase-conjugation fidelity.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1364/OL.41.001130DOIArticle
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-41-6-1130PublisherArticle
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4795172/PubMed CentralArticle
ORCID:
AuthorORCID
Shen, Yuecheng0000-0003-1990-8142
Wang, Lihong V.0000-0001-9783-4383
Additional Information:© 2016 Optical Society of America. Received 3 November 2015; revised 13 January 2016; accepted 17 January 2016; posted 19 January 2016 (Doc. ID 253100); published 8 March 2016. Funding. National Institute of Health (DP1 EB016986), (R01 CA186567). We thank Jinyang Liang for helpful discussions, and James Ballard for proofreading the manuscript.
Funders:
Funding AgencyGrant Number
NIHDP1 EB016986
NIHR01 CA186567
PubMed Central ID:PMC4795172
Record Number:CaltechAUTHORS:20160617-150841162
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160617-150841162
Official Citation:Y. Shen, Y. Liu, C. Ma, and L. Wang, "Focusing light through scattering media by full-polarization digital optical phase conjugation," Opt. Lett. 41, 1130-1133 (2016)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:68495
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:18 Jun 2016 18:07
Last Modified:21 Nov 2017 00:39

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