A miniature all-optical photoacoustic imaging probe

  title={A miniature all-optical photoacoustic imaging probe},
  author={Edward Zhang and Paul C. Beard},
A miniature (250 μm outer diameter) photoacoustic probe for endoscopic applications has been developed. It comprises a single delivery optical fibre with a transparent Fabry Perot (FP) ultrasound sensor at its distal end. The fabrication of the sensor was achieved by depositing a thin film multilayer structure comprising a polymer spacer sandwiched between a pair of dichroic dielectric mirrors on to the tip of a single mode fiber. The probe was evaluated in terms of its acoustic bandwidth and… CONTINUE READING


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