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Photoacoustic imaging devices and methods of imaging

  • US 8,529,454 B2
  • Filed: 12/10/2008
  • Issued: 09/10/2013
  • Est. Priority Date: 12/10/2007
  • Status: Active Grant
First Claim
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1. A photoacoustic medical imaging device comprising:

  • a substrate;

    an array of ultrasonic transducers on the substrate;

    at least one groove etched on the substrate;

    at least one optical fiber, each optical fiber disposed in one of said at least one groove; and

    at least one facet, each facet etched in one of said at least one groove and coated with a layer of metal having high infrared reflectivity, each said optical fiber being configured to guide infrared light from a light source through said fiber and toward said facet, said at least one facet being configured to reflect the infrared light toward a target such that at least one ultrasonic transducer is arranged to receive an ultrasound from the target in response to the infrared light directed toward the target, the target being external to the photoacoustic medical imaging device.

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