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Pressure changes are measured by the change in diameter of a hollow mandrel on the sensing leg of a Mach-Zehnder interferometer. This hydrophone configuration achieves 120-140 dB dynamic range. Courtesy Litton Guidance and Controls.
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Pressure changes are measured by the change in diameter of a hollow mandrel on the sensing leg of a Mach-Zehnder interferometer. This hydrophone configuration achieves 120-140 dB dynamic range. Courtesy Litton Guidance and Controls