Parts of the Sound Beam
sound beamnear fieldfocal zoneFresnel zoneHuygens' waveletsfocal depthtransducer diameterultrasound physics
SPI Exam Prep
Parts of the Sound Beam
Explore the anatomy of the ultrasound beam, including the near field, focal zone, and far field regions. Understand how transducer diameter and frequency influence focal depth and the role of Huygens' wavelets in beam formation. ARDMS, ARRT, and CCI registry exam preparation.
11:02
Full lesson
Transcript
11:02 lessonThe sound beam narrows from the transducer footprint to the focus due to constructive interference of Huygens' wavelets. Near zone length is determined by transducer diameter and frequency.
Previous: Transducer Components: Part 2Next: Transducer Instrumentation and System Components: Part 1
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