Fick, S.
, Steven, E.
and Ruggless, D.
(2006),
In-situ Attenuation Corrections for Radiation Force Measurements of High Frequency Ultrasound with a Conical Target, Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD
(Accessed October 10, 2025)
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In-situ Attenuation Corrections for Radiation Force Measurements of High Frequency Ultrasound with a Conical Target
Published
Author(s)
, E Steven, D Ruggless
Abstract
Radiation force balance (RFB) measurements of time-averaged spatially-integrated ultrasound power transmitted into a reflectionless water load are based on measurements of the power received by the RFB target. When conical targets are used to intercept the output of collimated circularly symmetric ultrasound sources operating at frequencies above a few megahertz, the correction for in-situ attenuation is significant, and differs significantly from predictions for idealized circumstances. Empirical attenuation correction factors for a 45degree (half-angle) absorptive conical NIST RFB target have been determined for 24 frequencies covering the 5 MHz-30MHz range. They agree well with previously unpublished attenuation calibration factors determined in 1994 for a similar target.Citation
Journal of Research (NIST JRES) -
Volume
111
NIST Pub Series
Pub Type
NIST Pubs
Keywords
attenuation correction, conical target, in-situ attenuation, power measurement, radiation force balance, radiation pressure, ultrasonic power, ultrasound power
Citation
Issues
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Created November 1, 2006, Updated February 19, 2017