Measurement of high intensity focused ultrasound fields by a fiber optic probe hydrophone.

@article{Zhou2006MeasurementOH,
  title={Measurement of high intensity focused ultrasound fields by a fiber optic probe hydrophone.},
  author={Yufeng Zhou and Liang Zhai and Rebecca Simmons and Pei Zhong},
  journal={The Journal of the Acoustical Society of America},
  year={2006},
  volume={120 2},
  pages={676-85}
}
The acoustic fields of a high intensity focused ultrasound (HIFU) transducer operating either at its fundamental (1.1 MHz) or third harmonic (3.3 MHz) frequency were measured by a fiber optic probe hydrophone (FOPH). At 1.1 MHz when the electric power applied to the transducer was increased from 1.6 to 125 W, the peak positive/negative pressures at the focus were measured to be p(+) = 1.7-23.3 MPa and p(-) = -1.2(-) -10.0 MPa. The corresponding spatial-peak pulse-average (I(SPPA)) and spatial… CONTINUE READING

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