{"id":271,"date":"2024-07-16T11:37:23","date_gmt":"2024-07-16T09:37:23","guid":{"rendered":"https:\/\/opi-test.univ-lemans.fr\/?p=271"},"modified":"2025-07-04T14:05:53","modified_gmt":"2025-07-04T12:05:53","slug":"271","status":"publish","type":"post","link":"https:\/\/optique-ingenieur.org\/?p=271","title":{"rendered":"Applications sp\u00e9cifiques des capteurs pour la photonique et l&rsquo;imagerie"},"content":{"rendered":"<h4>Auteur(s) :<\/h4>\n<p style=\"padding-left: 40px;\"><span style=\"color: #3b8dbd;\"><strong>No\u00ebl SERVAGENT<\/strong><\/span> \u2013 Ecole des mines de Nantes &#8211; Laboratoire Subatech<\/p>\n<h4>R\u00e9sum\u00e9 :<\/h4>\n<p style=\"padding-left: 40px;\">Lorsqu&rsquo;un objet est plac\u00e9 dans le faisceau d&rsquo;une diode Laser, une partie du faisceau r\u00e9fl\u00e9chi par ce dernier est r\u00e9tro-inject\u00e9 dans la cavit\u00e9 active de la diode et en perturbe les propri\u00e9t\u00e9s physiques. Cette perturbation qui se traduit principalement par une modification de la fr\u00e9quence et de la puissance d&rsquo;\u00e9mission de la diode est connue sous le terme anglophone de ph\u00e9nom\u00e8ne de \u00ab self-mixing \u00bb. Longtemps consid\u00e9r\u00e9 comme un ph\u00e9nom\u00e8ne parasite notamment en t\u00e9l\u00e9communication par fibre optique, nous pr\u00e9senterons son exploitation \u00e0 des fins m\u00e9trologiques telles que la mesure de vitesse, de d\u00e9placements et de distances.<\/p>\n<div class=\"wp-block-uagb-buttons uagb-buttons__outer-wrap uagb-btn__default-btn uagb-btn-tablet__default-btn uagb-btn-mobile__default-btn uagb-block-7cf61b02\">\n<div class=\"uagb-buttons__wrap uagb-buttons-layout-wrap \"> <\/div>\n<\/div>\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-765c4724 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-75\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"\/modules\/OPI_M05_C04\/OPI_fr_M05_C04\/OPI_fr_M05_C04_web.publi\/auroraW\/\" style=\"border-radius:0px;background-color:#5cba3c\" target=\"_blank\" rel=\"noreferrer noopener\">MODULE FRAN\u00c7AIS<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-fdcfc74e wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-75\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"\/modules\/OPI_M05_C04\/OPI_en_M05_C04\/OPI_ang_M05_C04_web.publi\/auroraW\/\" style=\"border-radius:0px;background-color:#5cba3c\" target=\"_blank\" rel=\"noreferrer noopener\">MODULE ANGLAIS<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><h3>T\u00e9l\u00e9chargement :<\/h3><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"\/modules\/pdf\/OPI_fr_M05_C04_papier.pdf\" data-type=\"link\" data-id=\"modules\/pdf\/OPI_fr_M05_C04.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Module fran\u00e7ais au format pdf<\/a><\/li>\n\n\n\n<li><a href=\"\/modules\/pdf\/OPI_ang_M05_C04_papier.pdf\" data-type=\"link\" data-id=\"\/modules\/pdf\/OPI_ang_M05_C04.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Module anglais au format pdf<\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lorsqu&rsquo;un objet est plac\u00e9 dans le faisceau d&rsquo;une diode Laser, une partie du faisceau r\u00e9fl\u00e9chi par ce dernier est r\u00e9tro-inject\u00e9 dans la cavit\u00e9 active de la diode et en perturbe les propri\u00e9t\u00e9s physiques&#8230;<\/p>\n","protected":false},"author":1,"featured_media":509,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[15],"tags":[],"class_list":["post-271","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-capteurs-a-semi-conducteurs-et-applications"],"uagb_featured_image_src":{"full":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_.png",552,364,false],"thumbnail":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_-150x150.png",150,150,true],"medium":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_-300x198.png",300,198,true],"medium_large":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_.png",552,364,false],"large":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_.png",552,364,false],"1536x1536":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_.png",552,364,false],"2048x2048":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_.png",552,364,false],"thumb-small":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_-80x80.png",80,80,true],"thumb-standard":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_-320x320.png",320,320,true],"thumb-medium":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_-520x245.png",520,245,true],"thumb-large":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_-552x340.png",552,340,true],"thumb-xlarge":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_.png",552,364,false],"thumb-xxlarge":["https:\/\/optique-ingenieur.org\/wp-content\/uploads\/2024\/12\/10.Alt_.png",552,364,false]},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/optique-ingenieur.org\/?author=1"},"uagb_comment_info":0,"uagb_excerpt":"Lorsqu'un objet est plac\u00e9 dans le faisceau d'une diode Laser, une partie du faisceau r\u00e9fl\u00e9chi par ce dernier est r\u00e9tro-inject\u00e9 dans la cavit\u00e9 active de la diode et en perturbe les propri\u00e9t\u00e9s physiques...","_links":{"self":[{"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/posts\/271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=271"}],"version-history":[{"count":4,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/posts\/271\/revisions"}],"predecessor-version":[{"id":1407,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/posts\/271\/revisions\/1407"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=\/wp\/v2\/media\/509"}],"wp:attachment":[{"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/optique-ingenieur.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}