Passive element enriched photoacoustic computed tomography (PER PACT) for simultaneous imaging of acoustic propagation properties and light absorption.

@article{Jose2011PassiveEE,
  title={Passive element enriched photoacoustic computed tomography (PER PACT) for simultaneous imaging of acoustic propagation properties and light absorption.},
  author={Jithin Jose and Rene G H Willemink and Steffen G. Resink and Daniele Piras and Johan C.G. van Hespen and Cornelis H. Slump and Wiendelt Steenbergen and Ton G. van Leeuwen and Srirang Manohar},
  journal={Optics express},
  year={2011},
  volume={19 3},
  pages={2093-104}
}
We present a 'hybrid' imaging approach which can image both light absorption properties and acoustic transmission properties of an object in a two-dimensional slice using a computed tomography (CT) photoacoustic imager. The ultrasound transmission measurement method uses a strong optical absorber of small cross-section placed in the path of the light illuminating the sample. This absorber, which we call a passive element acts as a source of ultrasound. The interaction of ultrasound with the… CONTINUE READING

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