Determination of sensitivity versus frequency characteristics of miniature ultrasonic hydrophones below 1 MHz using planar scanning technique.

@article{Devaraju2002DeterminationOS,
  title={Determination of sensitivity versus frequency characteristics of miniature ultrasonic hydrophones below 1 MHz using planar scanning technique.},
  author={Vadivel Devaraju and Peter A. Lewin and Hendrik J. Bleeker},
  journal={Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine},
  year={2002},
  volume={21 3},
  pages={261-8}
}
OBJECTIVE To develop and optimize a rapid and reliable ultrasonic hydrophone calibration procedure suitable for use in the frequency range from 100 to 1000 kHz. METHODS Planar scanning technique was developed to determine the low-frequency response (<1 MHz) of an ultrasonic polyvinylidene difluoride membrane hydrophone probe. RESULTS The frequency response of a bilaminar membrane design is presented in terms of end-of-cable voltage sensitivity versus frequency from 0.3 to 1 MHz and compared… CONTINUE READING

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