{"id":887,"date":"2022-11-10T14:14:03","date_gmt":"2022-11-10T13:14:03","guid":{"rendered":"http:\/\/s848664668.onlinehome.fr\/Wordpress\/?p=887"},"modified":"2026-04-05T23:47:41","modified_gmt":"2026-04-05T21:47:41","slug":"laser-femtosecond-intralase","status":"publish","type":"post","link":"https:\/\/www.swissrocketman.fr\/Wordpress\/?p=887","title":{"rendered":"Laser femtosecond INTRALASE"},"content":{"rendered":"

Laser femtoseconde INTRALASE<\/h1>
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Cette t\u00eate laser provient d’un laser IntraLase iFS utilis\u00e9 en chirurgie ophtalmologique.<\/strong><\/p>\n

Ce laser se compose d’un cristal Yb:YAG pomp\u00e9 par une diode laser de 3W monomode type COHERENT S-81-3000-200. La cavit\u00e9 contient une lame polarisante, 5 miroirs avec compensation du GVD et une cellule de Pockel ultra-rapide pour extraire l’\u00e9nergie de la cavit\u00e9.<\/strong>
\n Ce laser est un oscillateur muni d’un \u00ab\u00a0cavity dumper\u00a0\u00bb ce qui permet d’extraire une \u00e9nergie de 100 \u00e0 1000 fois plus grande qu’un oscillateur simple.La cavit\u00e9 d’un laser travaillant en \u00ab\u00a0cavity dumping\u00a0\u00bb se compose de 2 miroirs totalement r\u00e9flecteur.
\nUn de ces 2 miroirs peut-\u00eatre un SESAM. Donc cette cavit\u00e9 ne poss\u00e8de pas de miroir de sortie permettant de sortir l’\u00e9nergie lumineuse de la cavit\u00e9. La lumi\u00e8re est totalement confin\u00e9e dans la cavit\u00e9. L’\u00e9mission laser se manifeste au moment o\u00f9 l’\u00e9l\u00e9ment de commutation optique est activ\u00e9 pour obtenir une transmission maximum (ouverture).<\/strong><\/p>\n<\/div><\/section><\/div>\n

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