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Soutenance de stage - IM2NP

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Mo<strong>de</strong>s acoustiques<br />

•Gran<strong>de</strong>s longueurs d'on<strong>de</strong>s<br />

} ∝ taille<br />

•Confinement spatial n n<br />

1<br />

En changeant la taille et l'harmonique<br />

⇒ son<strong>de</strong> le diagrame <strong>de</strong> dispersion<br />

ω<br />

2 <br />

1<br />

2<br />

2<br />

2<br />

3<br />

k

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