摘要: Mesure des susceptibilites non lineaires du 3eme ordre de plusieurs solvants organiques par generation harmonique a 2 longueurs d'ondes laser: 1,064 et 1,907 μm. La methode permet determiner le module la phase interference avec champ genere dans les fenetres cellule liquide. On etudie en detail contribution l'air aux intensites harmoniques resultantes, propose une correction experimentale cet effet qui est verifiee pour quelques solvants. Discussion resultats modele d'additivite liaisons
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