{"id":7080,"date":"2026-06-16T14:02:13","date_gmt":"2026-06-16T12:02:13","guid":{"rendered":"https:\/\/www.swissrocketman.fr\/Wordpress\/?p=7080"},"modified":"2026-06-16T16:08:35","modified_gmt":"2026-06-16T14:08:35","slug":"spectra-physics-dpl-3-dye-laser","status":"publish","type":"post","link":"https:\/\/www.swissrocketman.fr\/Wordpress\/spectra-physics-dpl-3-dye-laser\/","title":{"rendered":"Spectra Physics DPL-3 Dye laser"},"content":{"rendered":"
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Ces 2 lasers \u00e0 colorant SPECTRA PHYSICS\u00a0 PDL-3 j’ai pu les obtenir d’une universit\u00e9 \u00e0 LONDRES.
\nLe laser PDL-3 peut-\u00eatre pomp\u00e9 en haute \u00e9nergie par un laser YAG doubl\u00e9 ou un laser \u00e0 excimer.<\/span><\/span><\/h5>\n
Le r\u00e9glage de la fr\u00e9quence est obtenue au moyen d’un \u00e9tireur de faisceau et d’un r\u00e9seau de diffraction r\u00e9glable manuellement ou par un moteur pas \u00e0 pas pilot\u00e9 par un ordinateur.
\nLe faisceau est envoy\u00e9 dans une cellule pr\u00e9-amplificatrice puis \u00e0 travers un t\u00e9lescope pour augment\u00e9 la section du faisceau pour \u00e9viter l’auto-focalisation puis est inject\u00e9 dans une grande cellule amplificatrice.
\nChaque cellule est balay\u00e9e par un flux rapide de colorant. La cellule amplificatrice est munie d’une circulation s\u00e9par\u00e9e de colorant avec une concentration plus faible pour \u00e9viter de partir en
\nsuper-radiance.
\nLe pompage des diff\u00e9rentes cellules est optimis\u00e9 par un d\u00e9lais optique des faisceaux pompe par la distance optique \u00e0 parcourir pour atteindre chaque cellule. Ce d\u00e9lai est obtenu avec 3 prismes de renvoie.<\/h5>\n<\/div><\/section><\/div>
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