Focused ultrasound techniques
Introduction to phased array ultrasonic techniques

Article REF: P3790 V1

Focused ultrasound techniques
Introduction to phased array ultrasonic techniques

Author : Loïc DE ROUMILLY

Publication date: March 10, 2012, Review date: January 5, 2019 | Lire en français

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3. Focused ultrasound techniques

The diameter d of the focal spot of the beam produced by a piezoelectric pellet of diameter D can be evaluated using the following relationship ( [R 1 400] ):

d = \frac{λ}{D} F_{ac}

...

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Bibliography

(1) - LANDAU (L.), LIFCHITZ (E.) - Physique théorique. Théorie de l'élasticité. - Tome 7, Édition : Éd. MIR, 2e édition (1990).
(2) - PLOIX (M.A.) - Étude de l'atténuation des ondes ultrasonores. Application au contrôle non destructif des soudures en acier...

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