{"id":534,"date":"2021-02-06T22:06:35","date_gmt":"2021-02-06T21:06:35","guid":{"rendered":"http:\/\/s848664668.onlinehome.fr\/Wordpress\/?p=534"},"modified":"2022-11-09T16:00:33","modified_gmt":"2022-11-09T15:00:33","slug":"laser-a-rubis-en-mode-relaxe-declenche-et-en-blocage-de-modes","status":"publish","type":"post","link":"https:\/\/www.swissrocketman.fr\/Wordpress\/?p=534","title":{"rendered":"LASER A RUBIS EN MODE RELAXE ; DECLENCHE ET EN BLOCAGE DE MODES"},"content":{"rendered":"

LASER A RUBIS EN MODE RELAXE ; DECLENCHE ET EN BLOCAGE DE MODE<\/h2>
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Ce laser utilise un rubis de 7.8mm de diam\u00e8tre d’une longueur totale de 120 mm dont la longueur active est de 80 mm correspondant \u00e0 la longueur d’arc du tube flash. De fabrication Russe avec un diam\u00e8tre de 7mm int\u00e9rieur et 9mm ext\u00e9rieur en quartz. Ce tube peut faire des \u00e9claires de 1200 joules durant 2 ms \u00e0 40% de l’\u00e9nergie d’explosion du tube. Le couplage se fait au moyen d’un r\u00e9flecteur en dioxyde de titane compress\u00e9.<\/strong><\/h4>\n

Pour g\u00e9n\u00e9r\u00e9 des d\u00e9charges longues comprises entre 1.5 et 2.5 ms, j’utilise des condensateurs \u00e9lectrolytiques de 1660 uF \u00e0\u00a0 2600 volts avec une self de 370 uH ainsi que d’un transfo s\u00e9rie EG&G type TS 136C ayant une inductance de 110 uH satur\u00e9, soit au total une inductance s\u00e9rie de 480 uH.<\/strong><\/h4>\n

Pr\u00e9paration du laser pour travaill\u00e9 en mode relax\u00e9.<\/h4>\n

Op\u00e9ration d’alignement des miroirs HR et OC\u00a0 avec un laser \u00e0 diode.<\/h4>\n<\/div><\/section>\n
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<\/a> <\/a> <\/a> <\/a> <\/a> <\/a> <\/a> <\/a><\/div><\/div><\/div><\/p>\n
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D\u00e9charge avec une capacit\u00e9 de 1660 micro farads charg\u00e9 \u00e0 1650 volts soit 2260 J durant 1ms.<\/h3>\n<\/div><\/section>\n
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Fin de la d\u00e9charge de 2260 Joules on constate la fluorescence du rubis apr\u00e8s excitation.<\/h3>\n<\/div><\/section>\n
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Fin de la fluorescence du rubis.<\/h3>\n<\/div><\/section><\/p>\n
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Dur\u00e9e de la d\u00e9charge \u00e0 mi-hauteur de 2 millisecondes . Simulateur FENIX pour l’optimisation de la capacit\u00e9 et de la self suivant les dimension du tube flash.<\/h3>\n<\/div><\/section>\n
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Bonjour<\/h3>
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