Optical coherence photoacoustic microscopy (OC-PAM) with an intensity-modulated continuous-wave broadband light source

Xiaojing Liu, Rong Wen, Yiwen Li, Shuliang Jiao

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We developed an optical coherence photoacoustic microscopy system using an intensity-modulated continuous-wave superluminescent diode with a center wavelength of 840 nm. The system can accomplish optical coherence tomography (OCT) and photoacoustic microscopy (PAM) simultaneously. Compared to the system with a pulsed light source, this system is able to achieve OCT imaging with quality as high as conventional spectral-domain OCT. Since both of the OCT and PAM images are generated from the same group of photons, they are intrinsically registered in the lateral directions. The system was tested for multimodal imaging the vasculature of mouse ear in vivo by using gold nanorods as contrast agent for PAM, as well as excised porcine eyes ex vivo. The OCT and PAM images showed complimentary information of the sample.

Original languageEnglish (US)
Article number064001
JournalJournal of Optics (United Kingdom)
Volume18
Issue number6
DOIs
StatePublished - Jun 2016

Keywords

  • biomedical optics
  • multimodal imaging
  • optical coherence tomography
  • photoacoustic imaging

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

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