Optoacoustic imaging based on the interferometric measurement of surface displacement.

  title={Optoacoustic imaging based on the interferometric measurement of surface displacement.},
  author={Stefan A. Carp and Vasan Venugopalan},
  journal={Journal of biomedical optics},
  volume={12 6},
We present images of tissue phantoms and chicken chorio-allantoic membrane vasculature using a novel optoacoustic tomography technique based on the time-resolved interferometric measurement of laser-induced thermoelastic expansion. Our imaging system is based on a modified Mach-Zehnder interferometer that provides surface displacement measurements with a temporal resolution of 4 ns and a displacement sensitivity of 0.3 nm. The images are reconstructed from surface displacement measurements made… CONTINUE READING


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