.. Principe-général-de-l-'algorithme, 62 2.1.2 Traitement d'image, p.66

L. Histogramme-donnant, a droite) des cratères observés dans l'aérogel de silice lors d'une analyse sur le tokamak HT-7, p.42

.. Porte-´-echantillons-contenant-l, aérogel de silice transparent exposé face au plasma (a) dans le tokamak HT-7 et (b) dans le tokamak TEXTOR, p.43

H. Exposants-de, correspondant aux déplacements vertical (H y ) et horizontal (H x ) d'une particule seule. ? représente le nombre d'images correspondantàcorrespondantà la trajectoire. Dans cetté etude la fréquence d'acquisition de la camérá etait de 500 im/s, p.110

?. Décharge and .. De-voir-un-fort, taux de création depoussì eres après la disruption Dans ce cas la densité depoussì eres présentes juste avant la disruption est relativement importante et le temps séparant les deux phénomènes est court (12 ms) Les cercles rouges indiquent la présence de particules avant la disruption, p.145

?. Décharge and .. De-voir-un-fort, taux de création depoussì eres après la disruption Dans ce cas la densité depoussì eres détectées juste avant la disruption est relativement faible et le temps séparant les deux phénomènes est important (100 ms) Les cercles rouges indiquent la présence de particules avant la disruption, p.146

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