Acoustic modulation and photon–phonon scattering in optical coherence tomography

Paul A. Edney, Joseph T. Walsh

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Acousto-optic interactions allow the measurement of nonoptical material properties with high-resolution optical methods. We modulated a sample with ultrasound while simultaneously imaging with a traditional optical coherence tomography (OCT) system. The measured acousto-optic signal then depends on the mechanical response of the tissue to the applied modulation. The acquired acoustically enhanced OCT signals are consistent with established acousto-optic theory and provide enhanced contrast to OCT images.

Original languageEnglish (US)
Pages (from-to)6381-6388
Number of pages8
JournalApplied optics
Issue number34
StatePublished - Dec 1 2001

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering


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