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Cristaux d sordonn s

Comment mesurer les speckles ?. Le d?sordre doit ?tre statique ? l'?chelle de la mesure Le d?tecteur doit ??r?soudre?? les speckles. Distance interfrange Dq=2p/a (donn?e par |S(q)|2) Distance sur le d?tecteur : ld/a Le faisceau doit ?tre suffisamment coh?rent :LT=lL/D > a. Si ces conditio

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Cristaux d sordonn s

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