Imaging optically scattering objects with ultrasound-modulated optical tomography

Sri Rajasekhar Kothapalli, Sava Sakadžić, Chulhong Kim, Lihong V. Wang

Research output: Contribution to journalArticle

34 Scopus citations

Abstract

We show the feasibility of imaging objects having different optical scattering coefficients relative to the surrounding scattering medium using ultrasound-modulated optical tomography (UOT). While the spatial resolution depends on ultrasound parameters, the image contrast depends on the difference in scattering coefficient between the object and the surrounding medium. Experimental measurements obtained with a CCDbased speckle contrast detection scheme are in agreement with Monte Carlo simulations and analytical calculations. This study complements previous UOT experiments that demonstrated optical absorption contrast.

Original languageEnglish (US)
Pages (from-to)2351-2353
Number of pages3
JournalOptics Letters
Volume32
Issue number16
DOIs
StatePublished - Aug 15 2007

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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