Calibration of Hydrophones in a Closed Acoustic Vessel Using Optical Method
Optical method has been used in the calibration of hydrophones for many years. It is an absolute method for the calibration of the free-field sensitivity of hydrophones. Usually, the calibration is carried out in an open water tank. In this paper, the calibration of a B&K8105 hydrophone
in a closed acoustic vessel was described. The comparison results between the optical method and the reciprocal method were in good agreement with each other. It showed that the optical method had potential applications for the calibration of hydrophones in a pressure vessel in future.
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Document Type: Research Article
Publication date: 21 August 2016
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