{"id":10842,"date":"2026-08-21T18:17:51","date_gmt":"2026-08-21T16:17:51","guid":{"rendered":"https:\/\/www.swissrocketman.fr\/Wordpress\/?p=10842"},"modified":"2026-08-21T19:32:30","modified_gmt":"2026-08-21T17:32:30","slug":"comparaison-de-2-lasers","status":"publish","type":"post","link":"https:\/\/www.swissrocketman.fr\/Wordpress\/comparaison-de-2-lasers\/","title":{"rendered":"Comparaison de brillance de 2 lasers N2 TEA"},"content":{"rendered":"
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Comparaison sur la brillance de 2 diff\u00e9rents lasers \u00e0 azote TEA<\/strong><\/span><\/p>\n

Le lasers MOPALITE\u00a0 MOPA-600S<\/strong><\/span> utilise\u00a0 un oscillateur s\u00e9lectionner en divergence puis un amplificateur pour obtenir un faisceau limite de diffraction qui produit un spot de 0.7mm de diam\u00e8tre sur un \u00e9cran \u00e0 4 m\u00e8tres du laser. L’\u00e9nergie contenue dans ce spot est de 300 microjoules et la dur\u00e9e du pulse de 500 picosecondes soit 600 kW. La brillance du spot TEM00 est de 1.15 . 10^15 W\/cm2 . sr<\/p>\n

Le laser SPECTRA PHYSICS\u00a0 VDL-337-ND-S<\/strong>\u00a0<\/span> est compos\u00e9 d’un r\u00e9sonnateur instable et la cavit\u00e9 amplificatrice est un m\u00e9lange N2-He \u00e0 800 torr produisant un pulse de 260 microjoules et de 4 nanosecondes soit 65 kW sur une surface de 8x8mm2 \u00e0 4 m\u00e8tres 3x limite de diffraction. La brillance de 3.3 . 10^12 W\/cm2 . sr<\/p>\n<\/div><\/section><\/div>\n

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