Fundamentals of ultrasound sources

Shlomit Halachmi; Moshe Lapidoth

doi:10.1201/9781315382364

Fundamentals of ultrasound sources

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

In distinction to light and laser, it is customary to describe acoustic energy by its frequency rather than its wavelength. Acoustic waves with frequencies in the range of 20 hertz (Hz) to 20 kilohertz (kHz) are perceived by the human ear. Frequencies above 20 kHz are in the ultrasound range. Frequencies below 20 Hz constitute infrasound, which is used by geologists to monitor movement and by whales to communicate across long distances.

Original language	English
Title of host publication	Cosmetic Medicine and Surgery
Publisher	CRC Press
Pages	425-432
Number of pages	8
ISBN (Electronic)	9781315363264
ISBN (Print)	9781482208092
DOIs	https://doi.org/10.1201/9781315382364
State	Published - 1 Jan 2017
Externally published	Yes

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Fundamentals of ultrasound sources

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