{"id":1167,"date":"2022-12-20T09:36:21","date_gmt":"2022-12-20T08:36:21","guid":{"rendered":"http:\/\/s848664668.onlinehome.fr\/Wordpress\/?p=1167"},"modified":"2025-10-01T10:41:02","modified_gmt":"2025-10-01T08:41:02","slug":"spectra-physics-dye-laser-375","status":"publish","type":"post","link":"https:\/\/www.swissrocketman.fr\/Wordpress\/?p=1167","title":{"rendered":"SPECTRA PHYSICS dye laser 375"},"content":{"rendered":"<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  \" style='border-radius:0px; '><div  style='padding-bottom:10px; ' class='av-special-heading av-special-heading-h2  blockquote classic-quote  avia-builder-el-1  avia-builder-el-no-sibling  '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >LASER \u00e0 colorant Rhodamine B Spectra Physics 375<\/h2><div class='special-heading-border'><div class='special-heading-inner-border' ><\/div><\/div><\/div><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-2  el_after_av_one_full  el_before_av_one_full  column-top-margin\" style='border-radius:0px; '><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><h1 data-start=\"206\" data-end=\"251\">Laser \u00e0 colorant Spectra-Physics Mod\u00e8le 375<\/h1>\n<p data-start=\"253\" data-end=\"595\">Le <strong data-start=\"256\" data-end=\"285\">Spectra-Physics Model 375<\/strong> (et sa variante 375B) est un laser \u00e0 colorant embl\u00e9matique, utilis\u00e9 dans les ann\u00e9es 1970-1990 pour la recherche en optique, spectroscopie et physique des lasers. Gr\u00e2ce \u00e0 sa flexibilit\u00e9, il a permis d\u2019explorer de larges gammes spectrales et de r\u00e9aliser des exp\u00e9riences de pointe en lasers puls\u00e9s et synchrones.<\/p>\n<h2 data-start=\"602\" data-end=\"633\">Caract\u00e9ristiques principales<\/h2>\n<ul data-start=\"635\" data-end=\"1176\">\n<li data-start=\"635\" data-end=\"689\">\n<p data-start=\"637\" data-end=\"689\"><strong data-start=\"637\" data-end=\"647\">Type :<\/strong> Laser \u00e0 colorant (jet-stream dye laser)<\/p>\n<\/li>\n<li data-start=\"690\" data-end=\"768\">\n<p data-start=\"692\" data-end=\"768\"><strong data-start=\"692\" data-end=\"713\">Plage spectrale :<\/strong> environ <strong data-start=\"722\" data-end=\"738\">400 \u00e0 800 nm<\/strong> (selon le colorant utilis\u00e9)<\/p>\n<\/li>\n<li data-start=\"769\" data-end=\"854\">\n<p data-start=\"771\" data-end=\"854\"><strong data-start=\"771\" data-end=\"794\">Rendement typique :<\/strong> ~7 % (variable selon le colorant et la source de pompage)<\/p>\n<\/li>\n<li data-start=\"855\" data-end=\"931\">\n<p data-start=\"857\" data-end=\"931\"><strong data-start=\"857\" data-end=\"886\">Modes de fonctionnement :<\/strong> puls\u00e9, continu, ou synchrone (mode-locked)<\/p>\n<\/li>\n<li data-start=\"932\" data-end=\"1031\">\n<p data-start=\"934\" data-end=\"1031\"><strong data-start=\"934\" data-end=\"946\">Cavit\u00e9 :<\/strong> configuration \u00e0 trois miroirs repli\u00e9e, optimis\u00e9e pour la stabilit\u00e9 et l\u2019efficacit\u00e9<\/p>\n<\/li>\n<li data-start=\"1032\" data-end=\"1176\">\n<p data-start=\"1034\" data-end=\"1176\"><strong data-start=\"1034\" data-end=\"1063\">Circulation du colorant :<\/strong> syst\u00e8me de jet liquide \u00e0 d\u00e9bit contr\u00f4l\u00e9, n\u00e9cessitant un circulateur d\u00e9di\u00e9 (Spectra-Physics mod\u00e8le 376 par ex.)<\/p>\n<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-4  el_after_av_one_full  el_before_av_one_full  column-top-margin\" style='border-radius:0px; '><div  class='avia-image-container  av-styling-    avia-builder-el-5  avia-builder-el-no-sibling  avia-align-center '  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"  ><div class='avia-image-container-inner'><div class='avia-image-overlay-wrap'><img decoding=\"async\" class='wp-image-1171 avia-img-lazy-loading-not-1171 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221219_154831-scaled.jpg\" alt='' title='20221219_154831' height=\"1440\" width=\"2560\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221219_154831-scaled.jpg 2560w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221219_154831-300x169.jpg 300w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221219_154831-1030x579.jpg 1030w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221219_154831-768x432.jpg 768w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221219_154831-1536x864.jpg 1536w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221219_154831-2048x1152.jpg 2048w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221219_154831-1500x844.jpg 1500w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221219_154831-705x397.jpg 705w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/div><\/div><\/div><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-6  el_after_av_one_full  el_before_av_one_full  column-top-margin\" style='border-radius:0px; '><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><h2 data-start=\"1740\" data-end=\"1761\">Colorants utilis\u00e9s<\/h2>\n<p data-start=\"1763\" data-end=\"1896\">Le 375 a \u00e9t\u00e9 con\u00e7u pour fonctionner avec plusieurs colorants fluorescents dissous dans un solvant liquide.<br data-start=\"1869\" data-end=\"1872\" \/>Les plus utilis\u00e9s sont :<\/p>\n<ul data-start=\"1898\" data-end=\"2034\">\n<li data-start=\"1898\" data-end=\"1976\">\n<p data-start=\"1900\" data-end=\"1976\"><strong data-start=\"1900\" data-end=\"1916\">Rhodamine 6G<\/strong> (souvent dans l\u2019\u00e9thyl\u00e8ne glycol, concentration ~2\u00d710\u207b\u00b3 M)<\/p>\n<\/li>\n<li data-start=\"1977\" data-end=\"2034\">\n<p data-start=\"1979\" data-end=\"2034\"><strong data-start=\"1979\" data-end=\"1992\">Kiton Red<\/strong> (pour \u00e9tendre l\u2019\u00e9mission vers le rouge)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2036\" data-end=\"2109\">Le choix du colorant d\u00e9termine la plage de longueurs d\u2019onde accessible.<\/p>\n<p data-start=\"2036\" data-end=\"2109\">Performances et applications<\/p>\n<ul data-start=\"2149\" data-end=\"2469\">\n<li data-start=\"2149\" data-end=\"2251\">\n<p data-start=\"2151\" data-end=\"2251\"><strong data-start=\"2151\" data-end=\"2174\">Spectroscopie laser<\/strong> : ajustement fin de la longueur d\u2019onde pour l\u2019\u00e9tude d\u2019atomes et mol\u00e9cules.<\/p>\n<\/li>\n<li data-start=\"2252\" data-end=\"2362\">\n<p data-start=\"2254\" data-end=\"2362\"><strong data-start=\"2254\" data-end=\"2293\">Exp\u00e9riences en optique non lin\u00e9aire<\/strong> : g\u00e9n\u00e9ration de nouvelles longueurs d\u2019onde, m\u00e9lange de fr\u00e9quences.<\/p>\n<\/li>\n<li data-start=\"2363\" data-end=\"2469\">\n<p data-start=\"2365\" data-end=\"2469\"><strong data-start=\"2365\" data-end=\"2400\">Lasers synchrones (mode-locked)<\/strong> : impulsions ultracourtes pour la recherche en physique et chimie.<\/p>\n<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-8  el_after_av_one_full  el_before_av_one_full  column-top-margin\" style='border-radius:0px; '><div  class='avia-video avia-video-16:9   av-lazyload-immediate  av-lazyload-video-embed  '   itemprop=\"video\" itemtype=\"https:\/\/schema.org\/VideoObject\"  data-original_url='https:\/\/' ><script type='text\/html' class='av-video-tmpl'><a href=\"https:\/\/\">https:\/\/<\/a><\/script><div class='av-click-to-play-overlay'><div class=\"avia_playpause_icon\"><\/div><\/div><\/div><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-10  el_after_av_one_full  el_before_av_one_full  column-top-margin\" style='border-radius:0px; '><div  class='avia-image-container  av-styling-    avia-builder-el-11  avia-builder-el-no-sibling  avia-align-center '  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"  ><div class='avia-image-container-inner'><div class='avia-image-overlay-wrap'><img decoding=\"async\" class='wp-image-1188 avia-img-lazy-loading-not-1188 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_180646-scaled.jpg\" alt='' title='20221220_180646' height=\"1440\" width=\"2560\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_180646-scaled.jpg 2560w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_180646-300x169.jpg 300w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_180646-1030x579.jpg 1030w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_180646-768x432.jpg 768w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_180646-1536x864.jpg 1536w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_180646-2048x1152.jpg 2048w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_180646-1500x844.jpg 1500w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_180646-705x397.jpg 705w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/div><\/div><\/div><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-12  el_after_av_one_full  el_before_av_one_half  column-top-margin\" style='border-radius:0px; '><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><h2 data-start=\"2476\" data-end=\"2501\">Limites et contraintes<\/h2>\n<ul data-start=\"2503\" data-end=\"2914\">\n<li data-start=\"2503\" data-end=\"2639\">\n<p data-start=\"2505\" data-end=\"2639\"><strong data-start=\"2505\" data-end=\"2537\">Photod\u00e9gradation du colorant<\/strong> : les mol\u00e9cules se d\u00e9truisent sous l\u2019intensit\u00e9 lumineuse \u2192 n\u00e9cessite un d\u00e9bit de circulation \u00e9lev\u00e9.<\/p>\n<\/li>\n<li data-start=\"2640\" data-end=\"2728\">\n<p data-start=\"2642\" data-end=\"2728\"><strong data-start=\"2642\" data-end=\"2672\">Alignement optique d\u00e9licat<\/strong> : cavit\u00e9 et pompage doivent \u00eatre parfaitement r\u00e9gl\u00e9s.<\/p>\n<\/li>\n<li data-start=\"2729\" data-end=\"2821\">\n<p data-start=\"2731\" data-end=\"2821\"><strong data-start=\"2731\" data-end=\"2746\">Maintenance<\/strong> : manipulation de solvants chimiques (souvent toxiques ou inflammables).<\/p>\n<\/li>\n<li data-start=\"2822\" data-end=\"2914\">\n<p data-start=\"2824\" data-end=\"2914\"><strong data-start=\"2824\" data-end=\"2841\">Disponibilit\u00e9<\/strong> : \u00e9tant un mod\u00e8le ancien, pi\u00e8ces d\u00e9tach\u00e9es et circulateurs sont rares.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2921\" data-end=\"2934\">Conclusion<\/h2>\n<p data-start=\"2936\" data-end=\"3301\">Le <strong data-start=\"2939\" data-end=\"2962\">Spectra-Physics 375<\/strong> reste un laser \u00e0 colorant historique, repr\u00e9sentatif d\u2019une \u00e9poque o\u00f9 la flexibilit\u00e9 spectrale primait sur la simplicit\u00e9 d\u2019utilisation. Bien que largement supplant\u00e9 aujourd\u2019hui par les lasers \u00e0 semi-conducteurs et les sources \u00e0 fibre, il demeure une pi\u00e8ce remarquable pour les passionn\u00e9s de physique exp\u00e9rimentale et de technologie laser.<\/p>\n<h3><a href=\"https:\/\/chatgpt.com\/share\/68dbe463-3d3c-8012-b33a-752f5010b058\"><span style=\"color: #ff0000;\">https:\/\/chatgpt.com\/share\/68dbe463-3d3c-8012-b33a-752f5010b058<\/span><\/a><\/h3>\n<\/div><\/section><\/div><div class=\"flex_column av_one_half  flex_column_div av-zero-column-padding first  avia-builder-el-14  el_after_av_one_full  el_before_av_one_half  column-top-margin\" style='border-radius:0px; '><div  class='avia-image-container  av-styling-    avia-builder-el-15  avia-builder-el-no-sibling  avia-align-center '  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"  ><div class='avia-image-container-inner'><div class='avia-image-overlay-wrap'><img decoding=\"async\" class='wp-image-1179 avia-img-lazy-loading-not-1179 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_103012-2.jpg\" alt='' title='20221220_103012 (2)' height=\"2271\" width=\"1911\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_103012-2.jpg 1911w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_103012-2-252x300.jpg 252w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_103012-2-867x1030.jpg 867w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_103012-2-768x913.jpg 768w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_103012-2-1293x1536.jpg 1293w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_103012-2-1723x2048.jpg 1723w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_103012-2-1262x1500.jpg 1262w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_103012-2-593x705.jpg 593w\" sizes=\"(max-width: 1911px) 100vw, 1911px\" \/><\/div><\/div><\/div><\/div><\/p>\n<div class=\"flex_column av_one_half  flex_column_div av-zero-column-padding   avia-builder-el-16  el_after_av_one_half  el_before_av_one_half  column-top-margin\" style='border-radius:0px; '><div  class='avia-image-container  av-styling-    avia-builder-el-17  avia-builder-el-no-sibling  avia-align-center '  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"  ><div class='avia-image-container-inner'><div class='avia-image-overlay-wrap'><img decoding=\"async\" class='wp-image-1180 avia-img-lazy-loading-not-1180 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_100537-2.jpg\" alt='' title='20221220_100537 (2)' height=\"1993\" width=\"2114\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_100537-2.jpg 2114w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_100537-2-300x283.jpg 300w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_100537-2-1030x971.jpg 1030w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_100537-2-768x724.jpg 768w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_100537-2-1536x1448.jpg 1536w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_100537-2-2048x1931.jpg 2048w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_100537-2-1500x1414.jpg 1500w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2022\/12\/20221220_100537-2-705x665.jpg 705w\" sizes=\"(max-width: 2114px) 100vw, 2114px\" \/><\/div><\/div><\/div><\/div>\n<div class=\"flex_column av_one_half  flex_column_div av-zero-column-padding first  avia-builder-el-18  el_after_av_one_half  el_before_av_one_half  column-top-margin\" style='border-radius:0px; 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