THERMOACOUSTIC SENSOR WITH FLUID MIXING FOR MEASUREMENT OF ACOUSTIC POWER OF ULTRASOUND TRANSDUCERS OVER A WIDEFREQUENCY RANGE
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United States of America
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Apr 10, 2025
app pub date -
Feb 6, 2023
filing date -
Feb 6, 2023
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Abstract
Ultrasound measurement devices can include a chamber configured to retain an ultrasound detection fluid, wherein the ultrasound detection fluid is configured to absorb an ultrasound beam and to reduce a temperature variation across the chamber during heating by the ultrasound beam, and an acoustic power meter including at least one temperature sensor coupled to the chamber, wherein the temperature sensor is operable to sense a temperature change of the ultrasound detection fluid in response to the heating by the ultrasound beam and the acoustic power meter is configured to estimate a power of the ultrasound beam based on the temperature change.
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