{"id":220,"date":"2020-04-07T16:05:12","date_gmt":"2020-04-07T14:05:12","guid":{"rendered":"http:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/?p=220"},"modified":"2020-04-09T10:38:42","modified_gmt":"2020-04-09T08:38:42","slug":"les-lasers","status":"publish","type":"post","link":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2020\/04\/07\/les-lasers\/","title":{"rendered":"Les lasers"},"content":{"rendered":"

Les Lasers<\/span><\/span><\/h1>\n

Le laser (Light Amplification by Stimulated Emission of Radiation) produit et amplifie une\u00a0<\/span><\/span><\/span>onde lumineuse<\/strong><\/b><\/span><\/span><\/span>. La lumi\u00e8re qu\u2019il produit est\u00a0<\/span><\/span><\/span>monochromatique<\/strong><\/b><\/span><\/span><\/span>, c\u2019est-\u00e0-dire d\u2019une couleur correspondant \u00e0 une seule longueur d\u2019onde d\u00e9finie, qui peut \u00eatre dans l\u2019<\/span><\/span><\/span>infrarouge<\/strong><\/b><\/span><\/span><\/span>, le\u00a0<\/span><\/span><\/span>visible\u00a0<\/strong><\/b><\/span><\/span><\/span>ou l\u2019<\/span><\/span><\/span>ultraviolet<\/strong><\/b><\/span><\/span><\/span>.<\/span><\/span><\/span><\/p>\n

Il en existe plusieurs classes avec des types de protection adapt\u00e9es\u00a0:<\/span><\/span><\/span><\/p>\n\n\n\n\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n
\n

classe<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

1<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

1M<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

2<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

2M<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

3R<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

3B<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

4<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

description<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Sans danger dans de bonnes conditions<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Sans danger \u00e0 l\u2019oeil nu, peut \u00eatre dangereux en cas d\u2019utilisation avec un instrument d\u2019optique<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Sans danger pour une utilisation de courte dur\u00e9e<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Sans danger pour une utilisation de courte dur\u00e9e mais peut \u00eatre dangereux en cas d\u2019utilisation avec un instrument d\u2019optique<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Risque de l\u00e9sions faibles. A utiliser correctement par une personne qualifi\u00e9e<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Vision directe dangeureuse<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Danger pour les yeux et la peau. Risque d\u2019incendie<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

protection<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Pas obligatoire<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Localis\u00e9e ou enceinte<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Pas obligatoire<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Localis\u00e9e ou par enveloppe protectrice<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

enceinte<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Enceinte verrouill\u00e9e<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Enceinte verrouill\u00e9e<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

EPI<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Pas obligatoire<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Pas obligatoire<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Pas obligatoire<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Pas obligatoire<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

D\u00e9pend des risques<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

obligatoire<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

obligatoire<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

pr\u00e9vention<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Inutile en cas de bon usage<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Emp\u00eacher l\u2019usage d\u2019instruments d\u2019optiques<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Ne pas fixer le regard dans le faisceau laser<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Ne pas fixer le regard dans le faisceau laser<\/span><\/span><\/span><\/p>\n

Emp\u00eacher l\u2019usage d\u2019instruments d\u2019optiques<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Emp\u00eacher toute exposition directe dans l\u2019\u0153il<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Emp\u00eacher toute exposition directe dans l\u2019\u0153il et sur la peau.<\/span><\/span><\/span><\/p>\n

Prot\u00e9ger contre les r\u00e9flexions involontaires<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

Emp\u00eacher toute exposition directe dans l\u2019\u0153il et sur la peau et contre les r\u00e9flexions diffuses<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

En EPLE, on se<\/b><\/span> limite \u00e0 l\u2019utilisation de lasers de classes 1 ou 2<\/b>\u00a0: l\u2019utilisation de lunettes de protection n\u2019est pas n\u00e9cessaire dans ce cas. Le r\u00e9flexe naturel d\u2019obturation de l\u2019\u0153il est suffisant pour \u00e9viter les l\u00e9sions.<\/span><\/span><\/p>\n

Les \u00e9l\u00e8ves manipulant debout, cela limite le placement des faisceaux laser \u00e0 hauteur des yeux.<\/span><\/span><\/span><\/p>\n

On \u00e9vitera la pr\u00e9sence de surfaces r\u00e9fl\u00e9chissantes (paillasses en verre, miroirs, pi\u00e8ces m\u00e9talliques, lisses\/brillantes) dans le trajet du faisceau. <\/span><\/span><\/span><\/p>\n

Ne pas placer d\u2019\u00e9l\u00e9ments optiques focalisant le faisceau en des endroits o\u00f9 il est possible de mettre l\u2019\u0153il.<\/span><\/span><\/span><\/p>\n

\n","protected":false},"excerpt":{"rendered":"

Les Lasers Le laser (Light Amplification by Stimulated Emission of Radiation) produit et amplifie une\u00a0onde lumineuse. La lumi\u00e8re qu\u2019il produit est\u00a0monochromatique, c\u2019est-\u00e0-dire d\u2019une couleur correspondant \u00e0 une seule longueur d\u2019onde d\u00e9finie, qui peut \u00eatre dans l\u2019infrarouge, le\u00a0visible\u00a0ou l\u2019ultraviolet. Il en existe plusieurs classes avec des types de protection adapt\u00e9es\u00a0: classe 1 1M 2 2M 3R … Continuer la lecture de Les lasers<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-220","post","type-post","status-publish","format-standard","hentry","category-generalites"],"_links":{"self":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/comments?post=220"}],"version-history":[{"count":2,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/220\/revisions"}],"predecessor-version":[{"id":382,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/220\/revisions\/382"}],"wp:attachment":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/media?parent=220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/categories?post=220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/tags?post=220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}