Light focusing and two-dimensional imaging through scattering media using the photoacoustic transmission matrix with an ultrasound array

Thomas Chaigne, Jérôme Gateau, Ori Katz, Emmanuel Bossy, Sylvain Gigan

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

We implement the photoacoustic transmission matrix approach on a two-dimensional photoacoustic imaging system, using a 15 MHz linear ultrasound array. Using a black leaf skeleton as a complex absorbing structure, we demonstrate that the photoacoustic transmission matrix approach allows to reveal structural features that are invisible in conventional photoacoustic images, as well as to selectively control light focusing on absorbing targets, leading to a local enhancement of the photoacoustic signal.

Original languageAmerican English
Pages (from-to)2664-2667
Number of pages4
JournalOptics Letters
Volume39
Issue number9
DOIs
StatePublished - 1 May 2014
Externally publishedYes

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