{"id":6420,"date":"2026-06-04T22:49:12","date_gmt":"2026-06-04T20:49:12","guid":{"rendered":"https:\/\/www.swissrocketman.fr\/Wordpress\/?p=6420"},"modified":"2026-07-20T01:20:03","modified_gmt":"2026-07-19T23:20:03","slug":"laser-excimer-xecl-a-decharge-longitudinale-capillaire","status":"publish","type":"post","link":"https:\/\/www.swissrocketman.fr\/Wordpress\/laser-excimer-xecl-a-decharge-longitudinale-capillaire\/","title":{"rendered":"Laser excimer XeCl \u00e0 d\u00e9charge longitudinale capillaire"},"content":{"rendered":"<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><h4><span style=\"font-size: large;\">Ce laser excimer XeCl \u00e0 d\u00e9charge longitudinal je l&rsquo;ai d\u00e9velopp\u00e9 en 1985 dans le cadre d&rsquo;une commercialisation d&rsquo;un laser monomode \u00e0 308nm.<br \/>\nLa particularit\u00e9 de ce laser est que la d\u00e9charge est longitudinal par rapport \u00e0 l&rsquo;axe optique, et pour respecter le E\/p j&rsquo;ai segmenter le tube de d\u00e9charge en 8 secteurs de 60mm de long.<\/span><\/h4>\n<\/div><\/section>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-1  el_after_av_textblock  el_before_av_one_full  column-top-margin\" style='border-radius:0px; '><div  class='avia-image-container  av-styling-    avia-builder-el-2  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-6423 avia-img-lazy-loading-not-6423 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs2-1.png\" alt='' title='qs2' height=\"659\" width=\"755\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs2-1.png 755w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs2-1-300x262.png 300w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs2-1-705x615.png 705w\" sizes=\"(max-width: 755px) 100vw, 755px\" \/><\/div><\/div><\/div><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-3  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\" ><p><span style=\"font-size: large;\"><span style=\"color: #444444;\"><span style=\"font-family: Verdana;\">L&rsquo;excitation se fait par deux pseudo-Blumlein dont la commutation est r\u00e9alis\u00e9e par un \u00e9clateur central du type coaxial commutant simultan\u00e9ment les 2 lignes de Blumlein. Sur le film et les photos vous ne voyez uniquement un ligne de Blumlein.<\/span><\/span><\/span><\/p>\n<h4><span style=\"color: #444444;\"><span style=\"font-family: Verdana;\">La pr\u00e9-ionization se fait par couplage capacitif sur le capillaire de verre qui fait office de tube de d\u00e9charge.<\/span><\/span><\/h4>\n<\/div><\/section><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-5  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-6  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-6427 avia-img-lazy-loading-not-6427 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs1.png\" alt='' title='qs1' height=\"655\" width=\"853\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs1.png 853w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs1-300x230.png 300w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs1-768x590.png 768w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs1-705x541.png 705w\" sizes=\"(max-width: 853px) 100vw, 853px\" \/><\/div><\/div><\/div><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-7  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-8  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-9013 avia-img-lazy-loading-not-9013 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/df1-2.png\" alt='' title='df1' height=\"642\" width=\"958\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/df1-2.png 958w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/df1-2-300x201.png 300w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/df1-2-768x515.png 768w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/df1-2-705x472.png 705w\" sizes=\"(max-width: 958px) 100vw, 958px\" \/><\/div><\/div><\/div><\/div><div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-9  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-10  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-9014 avia-img-lazy-loading-not-9014 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/df2-1.png\" alt='' title='df2' height=\"655\" width=\"962\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/df2-1.png 962w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/df2-1-300x204.png 300w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/df2-1-768x523.png 768w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/df2-1-705x480.png 705w\" sizes=\"(max-width: 962px) 100vw, 962px\" \/><\/div><\/div><\/div><\/div><div class=\"flex_column av_one_half  flex_column_div av-zero-column-padding first  avia-builder-el-11  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-12  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-6430 avia-img-lazy-loading-not-6430 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs3.png\" alt='' title='qs3' height=\"660\" width=\"491\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs3.png 491w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs3-223x300.png 223w\" sizes=\"(max-width: 491px) 100vw, 491px\" \/><\/div><\/div><\/div><\/div><\/p>\n<div class=\"flex_column av_one_half  flex_column_div av-zero-column-padding   avia-builder-el-13  el_after_av_one_half  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-15  el_after_av_one_half  el_before_av_one_full  column-top-margin\" style='border-radius:0px; '><div  class='avia-image-container  av-styling-    avia-builder-el-16  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-6432 avia-img-lazy-loading-not-6432 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs4.png\" alt='' title='qs4' height=\"524\" width=\"1383\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs4.png 1383w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs4-300x114.png 300w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs4-1030x390.png 1030w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs4-768x291.png 768w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs4-705x267.png 705w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs4-845x321.png 845w\" sizes=\"(max-width: 1383px) 100vw, 1383px\" \/><\/div><\/div><\/div><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-17  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-18  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-6434 avia-img-lazy-loading-not-6434 avia_image' src=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs5.png\" alt='' title='qs5' height=\"522\" width=\"1385\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs5.png 1385w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs5-300x113.png 300w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs5-1030x388.png 1030w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs5-768x289.png 768w, https:\/\/www.swissrocketman.fr\/Wordpress\/wp-content\/uploads\/2026\/06\/qs5-705x266.png 705w\" sizes=\"(max-width: 1385px) 100vw, 1385px\" \/><\/div><\/div><\/div><\/div>\n<div class=\"flex_column av_one_full  flex_column_div av-zero-column-padding first  avia-builder-el-19  el_after_av_one_full  avia-builder-el-last  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\" ><p data-start=\"149\" data-end=\"377\">Votre syst\u00e8me correspond \u00e0 un <strong data-start=\"179\" data-end=\"246\">laser excim\u00e8re XeCl (308 nm) \u00e0 d\u00e9charge longitudinale segment\u00e9e<\/strong>, aliment\u00e9 par <strong data-start=\"261\" data-end=\"292\">deux lignes pseudo-Blumlein<\/strong>. C&rsquo;est une approche relativement rare compar\u00e9e aux excim\u00e8res industriels classiques.<\/p>\n<h3 data-section-id=\"1vdsodi\" data-start=\"379\" data-end=\"412\">Ce qui rend ce laser original<\/h3>\n<p data-start=\"414\" data-end=\"490\">La quasi-totalit\u00e9 des lasers XeCl commerciaux que je connais utilisent une :<\/p>\n<ul data-start=\"492\" data-end=\"633\">\n<li data-section-id=\"15czaw2\" data-start=\"492\" data-end=\"526\">d\u00e9charge <strong data-start=\"503\" data-end=\"519\">transversale<\/strong> (TEA),<\/li>\n<li data-section-id=\"122crw7\" data-start=\"527\" data-end=\"555\">pression de quelques bars,<\/li>\n<li data-section-id=\"as2g2r\" data-start=\"556\" data-end=\"601\">pr\u00e9-ionization UV par \u00e9tincelles ou corona,<\/li>\n<li data-section-id=\"170jznk\" data-start=\"602\" data-end=\"633\">\u00e9lectrodes larges parall\u00e8les.<\/li>\n<\/ul>\n<p data-start=\"635\" data-end=\"648\">Votre conception est diff\u00e9rente :<\/p>\n<ul data-start=\"804\" data-end=\"1008\">\n<li data-section-id=\"c9woje\" data-start=\"804\" data-end=\"833\">d\u00e9charge <strong data-start=\"815\" data-end=\"832\">longitudinale<\/strong>,<\/li>\n<li data-section-id=\"hs4gqx\" data-start=\"834\" data-end=\"879\">champ \u00e9lectrique parall\u00e8le \u00e0 l&rsquo;axe optique,<\/li>\n<li data-section-id=\"9ies7a\" data-start=\"880\" data-end=\"919\">tube segment\u00e9 en 8 sections de 60 mm,<\/li>\n<li data-section-id=\"1e14zwo\" data-start=\"920\" data-end=\"967\">respect du rapport E\/p sur toute la longueur,<\/li>\n<li data-section-id=\"1cp9sss\" data-start=\"968\" data-end=\"1008\">excitation par lignes pseudo-\u00ab\u00a0Blumlein\u00a0\u00bb.<\/li>\n<\/ul>\n<p data-start=\"1010\" data-end=\"1134\">C&rsquo;est une architecture que l&rsquo;on rencontre davantage dans certains laboratoires de recherche que dans les lasers industriels.<\/p>\n<h3 data-section-id=\"yzrmg\" data-start=\"1141\" data-end=\"1173\">Pourquoi segmenter le tube ?<\/h3>\n<p data-start=\"1175\" data-end=\"1239\">Je comprends tr\u00e8s bien votre remarque concernant le rapport E\/p.<\/p>\n<p data-start=\"1241\" data-end=\"1316\">Pour XeCl, il faut conserver un champ \u00e9lectrique suffisant sans provoquer :<\/p>\n<ul data-start=\"1318\" data-end=\"1386\">\n<li data-section-id=\"1vjtviy\" data-start=\"1318\" data-end=\"1337\">d&rsquo;arc \u00e9lectrique,<\/li>\n<li data-section-id=\"1qj7kzs\" data-start=\"1338\" data-end=\"1357\">de filamentation,<\/li>\n<li data-section-id=\"1f29vfl\" data-start=\"1358\" data-end=\"1386\">d&rsquo;instabilit\u00e9 de d\u00e9charge.<\/li>\n<\/ul>\n<p data-start=\"1388\" data-end=\"1412\">La segmentation permet :<\/p>\n<ul data-start=\"1414\" data-end=\"1535\">\n<li data-section-id=\"ebpje\" data-start=\"1414\" data-end=\"1450\">une meilleure uniformit\u00e9 du champ,<\/li>\n<li data-section-id=\"ao790l\" data-start=\"1451\" data-end=\"1490\">une r\u00e9duction de l&rsquo;inductance locale,<\/li>\n<li data-section-id=\"ev0exn\" data-start=\"1491\" data-end=\"1535\">un meilleur contr\u00f4le de l&rsquo;\u00e9nergie d\u00e9pos\u00e9e.<\/li>\n<\/ul>\n<p data-start=\"1537\" data-end=\"1634\">C&rsquo;est une solution \u00e9l\u00e9gante pour une d\u00e9charge longitudinale de plusieurs dizaines de centim\u00e8tres.<\/p>\n<h3 data-section-id=\"vzxdd\" data-start=\"1641\" data-end=\"1664\">Les pseudo-\u00ab\u00a0Blumlein\u00a0\u00bb<\/h3>\n<p data-start=\"1666\" data-end=\"1712\">L\u00e0 encore, c&rsquo;est une technique que je connais.<\/p>\n<p data-start=\"1714\" data-end=\"1786\">Une ligne \u00ab\u00a0Blumlein\u00a0\u00bb id\u00e9ale produit une impulsion rectangulaire de dur\u00e9e :<\/p>\n<p data-start=\"1788\" data-end=\"1825\"><span class=\"inline-block align-middle\"><span class=\"katex\"><span class=\"katex-mathml\">T=2LvT<\/span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p data-start=\"1827\" data-end=\"1831\">o\u00f9 :<\/p>\n<ul data-start=\"1833\" data-end=\"1903\">\n<li data-section-id=\"tajvbq\" data-start=\"1833\" data-end=\"1868\"><span class=\"katex\"><span class=\"katex-mathml\">L<\/span><\/span>\u00a0est la longueur \u00e9lectrique,<\/li>\n<li data-section-id=\"1apky34\" data-start=\"1869\" data-end=\"1903\"><span class=\"katex\"><span class=\"katex-mathml\">v<\/span><\/span>\u00a0la vitesse de propagation.<\/li>\n<\/ul>\n<p data-start=\"1905\" data-end=\"1947\">L&rsquo;int\u00e9r\u00eat pour un excim\u00e8re est d&rsquo;obtenir :<\/p>\n<ul data-start=\"1949\" data-end=\"2052\">\n<li data-section-id=\"18q1a2w\" data-start=\"1949\" data-end=\"1972\">un front tr\u00e8s rapide,<\/li>\n<li data-section-id=\"8m1f6f\" data-start=\"1973\" data-end=\"1997\">une faible inductance,<\/li>\n<li data-section-id=\"3h2jux\" data-start=\"1998\" data-end=\"2052\">une \u00e9nergie d\u00e9pos\u00e9e avant le d\u00e9veloppement d&rsquo;un arc.<\/li>\n<\/ul>\n<p data-start=\"2054\" data-end=\"2217\">Le fait que les deux lignes soient commut\u00e9es simultan\u00e9ment par un \u00e9clateur coaxial central est particuli\u00e8rement coh\u00e9rent avec une recherche de sym\u00e9trie temporelle.<\/p>\n<h3 data-section-id=\"1efiu51\" data-start=\"2224\" data-end=\"2256\">La pr\u00e9-ionization capacitive<\/h3>\n<p data-start=\"2258\" data-end=\"2326\">C&rsquo;est probablement la partie la plus originale de votre description.<\/p>\n<p data-start=\"2328\" data-end=\"2343\">Vous indiquez :<\/p>\n<blockquote data-start=\"2345\" data-end=\"2459\">\n<p data-start=\"2347\" data-end=\"2459\"><span style=\"color: #ff0000;\">La pr\u00e9-ionization se fait par couplage capacitif sur le capillaire de verre qui fait office de tube de d\u00e9charge.<\/span><\/p>\n<\/blockquote>\n<p data-start=\"2461\" data-end=\"2476\">Autrement dit :<\/p>\n<ul data-start=\"2478\" data-end=\"2641\">\n<li data-section-id=\"dx0jn4\" data-start=\"2478\" data-end=\"2514\">le capillaire est un di\u00e9lectrique,<\/li>\n<li data-section-id=\"t724eo\" data-start=\"2515\" data-end=\"2572\">l&rsquo;impulsion \u00ab\u00a0Blumlein\u00a0\u00bb cr\u00e9e un champ radial tr\u00e8s intense,<\/li>\n<li data-section-id=\"1ny6cys\" data-start=\"2573\" data-end=\"2641\">une ionization pr\u00e9liminaire appara\u00eet avant la d\u00e9charge principale.<\/li>\n<\/ul>\n<p data-start=\"2643\" data-end=\"2664\">Cette m\u00e9thode \u00e9vite :<\/p>\n<ul data-start=\"2666\" data-end=\"2751\">\n<li data-section-id=\"1vrm27o\" data-start=\"2666\" data-end=\"2701\">les r\u00e9seaux de pr\u00e9-ionization UV,<\/li>\n<li data-section-id=\"lalm7\" data-start=\"2702\" data-end=\"2721\">les spark arrays,<\/li>\n<li data-section-id=\"1h89klk\" data-start=\"2722\" data-end=\"2751\">les \u00e9lectrodes auxiliaires.<\/li>\n<\/ul>\n<p data-start=\"2753\" data-end=\"2837\">C&rsquo;est une solution extr\u00eamement \u00e9l\u00e9gante si elle fonctionne de mani\u00e8re reproductible.<\/p>\n<h3 data-section-id=\"wuxf0\" data-start=\"2844\" data-end=\"2899\">Mon impression sur l&rsquo;objectif \u00ab monomode \u00e0 308 nm \u00bb<\/h3>\n<p data-start=\"2901\" data-end=\"2959\">C&rsquo;est probablement la partie la plus ambitieuse du projet.<\/p>\n<p data-start=\"2961\" data-end=\"2970\">Obtenir :<\/p>\n<ul data-start=\"2972\" data-end=\"3069\">\n<li data-section-id=\"17wjgha\" data-start=\"2972\" data-end=\"2988\">XeCl \u00e0 308 nm,<\/li>\n<li data-section-id=\"9yecdu\" data-start=\"2989\" data-end=\"3009\">d\u00e9charge uniforme,<\/li>\n<li data-section-id=\"vf8dsd\" data-start=\"3010\" data-end=\"3042\">largeur spectrale tr\u00e8s faible,<\/li>\n<li data-section-id=\"1c1gw2t\" data-start=\"3043\" data-end=\"3069\">fonctionnement monomode,<\/li>\n<\/ul>\n<p data-start=\"3071\" data-end=\"3130\">\u00e9tait un d\u00e9fi technologique important dans les ann\u00e9es 1980.<\/p>\n<p data-start=\"3132\" data-end=\"3192\">Les solutions employ\u00e9es \u00e0 cette \u00e9poque utilisaient souvent :<\/p>\n<ul data-start=\"3194\" data-end=\"3280\">\n<li data-section-id=\"cyygnx\" data-start=\"3194\" data-end=\"3218\">r\u00e9seau de diffraction,<\/li>\n<li data-section-id=\"5xvp3b\" data-start=\"3219\" data-end=\"3243\">\u00e9talon de Fabry-P\u00e9rot,<\/li>\n<li data-section-id=\"1hflsm4\" data-start=\"3244\" data-end=\"3280\">cavit\u00e9s instables tr\u00e8s s\u00e9lectives.<\/li>\n<\/ul>\n<p data-start=\"3282\" data-end=\"3434\">Le fait que ce d\u00e9veloppement date de 1985 correspond parfaitement \u00e0 la p\u00e9riode o\u00f9 de nombreuses \u00e9quipes cherchaient des sources UV monofr\u00e9quences pour :<\/p>\n<ul data-start=\"3436\" data-end=\"3528\">\n<li data-section-id=\"jehm4m\" data-start=\"3436\" data-end=\"3455\">la spectroscopie,<\/li>\n<li data-section-id=\"110xgrp\" data-start=\"3456\" data-end=\"3475\">le pompage laser,<\/li>\n<li data-section-id=\"12uje5v\" data-start=\"3476\" data-end=\"3499\">la photolithographie,<\/li>\n<li data-section-id=\"jaeir5\" data-start=\"3500\" data-end=\"3528\">les exp\u00e9riences atomiques.<\/li>\n<\/ul>\n<h3 data-section-id=\"1okmzwa\" data-start=\"3535\" data-end=\"3572\">Ce qui m&rsquo;intrigue sur votre photo<\/h3>\n<p data-start=\"3574\" data-end=\"3645\">En regardant l&rsquo;image, je pense maintenant que l&rsquo;on voit effectivement :<\/p>\n<ul data-start=\"3647\" data-end=\"3853\">\n<li data-section-id=\"oiwukz\" data-start=\"3647\" data-end=\"3685\">une des deux lignes pseudo-\u00ab\u00a0Blumlein\u00a0\u00bb,\u00a0 effectivement le laser assemble comporte 2 lignes de \u00ab\u00a0BLUMLEIN\u00a0\u00bb<\/li>\n<li data-section-id=\"1xz3rlm\" data-start=\"3686\" data-end=\"3720\">les connexions basse inductance,<\/li>\n<li data-section-id=\"1nycwag\" data-start=\"3721\" data-end=\"3806\">l&rsquo;\u00e9clateur central (le disque m\u00e9tallique au milieu pourrait \u00eatre li\u00e9 \u00e0 cette zone),<\/li>\n<li data-section-id=\"405771\" data-start=\"3807\" data-end=\"3853\">le support du tube de d\u00e9charge longitudinal.<\/li>\n<\/ul>\n<p data-start=\"3855\" data-end=\"3917\">La g\u00e9om\u00e9trie est typique d&rsquo;une machine con\u00e7ue pour minimiser :<\/p>\n<ul data-start=\"3919\" data-end=\"4017\">\n<li data-section-id=\"s44lri\" data-start=\"3919\" data-end=\"3943\">l&rsquo;inductance parasite,<\/li>\n<li data-section-id=\"nef1vk\" data-start=\"3944\" data-end=\"3979\">les d\u00e9s\u00e9quilibres de propagation,<\/li>\n<li data-section-id=\"ksm3fj\" data-start=\"3980\" data-end=\"4017\">les diff\u00e9rences de temps de mont\u00e9e.<\/li>\n<\/ul>\n<p data-start=\"4019\" data-end=\"4129\">C&rsquo;est clairement un syst\u00e8me con\u00e7u par quelqu&rsquo;un qui ma\u00eetrisait tr\u00e8s bien les impulsions haute tension rapides.<\/p>\n<p data-start=\"4131\" data-end=\"4436\" data-is-last-node=\"\" data-is-only-node=\"\">Par curiosit\u00e9 : s&rsquo;agit-il de votre propre r\u00e9alisation de 1985 ou d&rsquo;un laser d\u00e9velopp\u00e9 dans un laboratoire ou une entreprise particuli\u00e8re ? Si vous disposez du sch\u00e9ma des deux pseudo-Blumlein ou d&rsquo;une photo de la cavit\u00e9 optique, je serais tr\u00e8s int\u00e9ress\u00e9 d&rsquo;analyser plus en d\u00e9tail la physique de ce montage.<\/p>\n<p data-start=\"4131\" data-end=\"4436\" data-is-last-node=\"\" data-is-only-node=\"\">Oui c&rsquo;est moi qui \u00e0 d\u00e9velopp\u00e9 ce prototype non commercialis\u00e9.<\/p>\n<\/div><\/section><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":6436,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/posts\/6420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/comments?post=6420"}],"version-history":[{"count":12,"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/posts\/6420\/revisions"}],"predecessor-version":[{"id":9015,"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/posts\/6420\/revisions\/9015"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/media\/6436"}],"wp:attachment":[{"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/media?parent=6420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/categories?post=6420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.swissrocketman.fr\/Wordpress\/wp-json\/wp\/v2\/tags?post=6420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}