{"id":59791,"date":"2023-09-21T10:02:36","date_gmt":"2023-09-21T08:02:36","guid":{"rendered":"https:\/\/www.iemn.fr\/?page_id=59791"},"modified":"2023-09-22T09:16:33","modified_gmt":"2023-09-22T07:16:33","slug":"spectroscopie","status":"publish","type":"page","link":"https:\/\/www.iemn.fr\/en\/les_plateformes\/plateforme-de-caracterisation-multi-physique-pcmp\/caracterisation-haute-frequence\/spectroscopie","title":{"rendered":"Spectroscopy"},"content":{"rendered":"<div id='layer_slider_1'  class='avia-layerslider main_color avia-shadow  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  container_wrap sidebar_right'  style='height: 261px;'  ><div id=\"layerslider_35_i8dmvhmgvz4s\" data-ls-slug=\"homepageslider\" class=\"ls-wp-container fitvidsignore ls-selectable\" style=\"width:1140px;height:260px;margin:0 auto;margin-bottom: 0px;\"><div class=\"ls-slide\" data-ls=\"duration:6000;transition2d:5;\"><img loading=\"lazy\" decoding=\"async\" width=\"2600\" height=\"270\" 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6px;padding-left:50px;background-color:rgba(0, 0, 0, 0.57);\" class=\"ls-l ls-ib-icon ls-text-layer\" data-ls=\"minfontsize:0;minmobilefontsize:0;\"><i class=\"fa fa-user-circle\" style=\"color:#f2f2f2;margin-right:0.8em;font-size:1em;transform:translateY( -0.125em );\"><\/i>CHOP :   P\u00d4LE CARACTERISATION HYPERFREQUENCE, OPTIQUE ET PHOTONIQUE<\/ls-layer><\/div><div class=\"ls-slide\" data-ls=\"duration:4000;transition2d:5;\"><img loading=\"lazy\" decoding=\"async\" width=\"2600\" height=\"270\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_carc2.jpg\" class=\"ls-bg\" alt=\"\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_carc2.jpg 2600w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_carc2-300x31.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_carc2-768x80.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_carc2-1030x107.jpg 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_carc2-1500x156.jpg 1500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_carc2-705x73.jpg 705w\" sizes=\"auto, (max-width: 2600px) 100vw, 2600px\" \/><ls-layer style=\"font-size:14px;text-align:left;font-style:normal;text-decoration:none;text-transform:none;font-weight:700;letter-spacing:0px;background-position:0% 0%;background-repeat:no-repeat;mix-blend-mode:normal;top:231px;left:0px;height:30px;width:600px;line-height:32px;color:#ffffff;border-radius:6px 6px 6px 6px;padding-left:50px;background-color:rgba(0, 0, 0, 0.57);\" class=\"ls-l ls-ib-icon ls-text-layer\" data-ls=\"minfontsize:0;minmobilefontsize:0;\"><i class=\"fa fa-user-circle\" style=\"color:#f2f2f2;margin-right:0.8em;font-size:1em;transform:translateY( -0.125em );\"><\/i>CHOP :   P\u00d4LE CARACTERISATION HYPERFREQUENCE, OPTIQUE ET PHOTONIQUE<\/ls-layer><\/div><div class=\"ls-slide\" data-ls=\"duration:4000;transition2d:5;\"><img loading=\"lazy\" decoding=\"async\" width=\"2600\" height=\"270\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_car3.jpg\" class=\"ls-bg\" alt=\"\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_car3.jpg 2600w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_car3-300x31.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_car3-768x80.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_car3-1030x107.jpg 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_car3-1500x156.jpg 1500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2018\/09\/sliders_car3-705x73.jpg 705w\" sizes=\"auto, (max-width: 2600px) 100vw, 2600px\" \/><ls-layer style=\"font-size:14px;text-align:left;font-style:normal;text-decoration:none;text-transform:none;font-weight:700;letter-spacing:0px;background-position:0% 0%;background-repeat:no-repeat;mix-blend-mode:normal;top:231px;left:0px;height:31px;width:600px;line-height:32px;color:#ffffff;border-radius:6px 6px 6px 6px;padding-left:50px;background-color:rgba(0, 0, 0, 0.57);\" class=\"ls-l ls-ib-icon ls-text-layer\" data-ls=\"minfontsize:0;minmobilefontsize:0;\"><i class=\"fa fa-user-circle\" style=\"color:#f2f2f2;margin-right:0.8em;font-size:1em;transform:translateY( -0.125em );\"><\/i>CHOP :   P\u00d4LE CARACTERISATION HYPERFREQUENCE, OPTIQUE ET PHOTONIQUE<\/ls-layer><\/div><\/div><\/div><div id='after_layer_slider_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-59791'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lmswgxhq-bd1d43ae21f42aa034750c66b82f727e\">\n.flex_column.av-lmswgxhq-bd1d43ae21f42aa034750c66b82f727e{\nborder-radius:20px 20px 20px 20px;\npadding:0px 0px 0px 0px;\nbackground-color:#f7ac7e;\n}\n<\/style>\n<div  class='flex_column av-lmswgxhq-bd1d43ae21f42aa034750c66b82f727e av_one_full  avia-builder-el-1  el_after_av_layerslider  el_before_av_one_full  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-lmswgkmy-fbb57a7bba5448b2ee59d2fedcea9258'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\"><span style=\"color: #ffffff;\">Spectroscopy<\/span><\/h1>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-q6gblb-2ca4f603878baa89ad72608f966dfe51\">\n.flex_column.av-q6gblb-2ca4f603878baa89ad72608f966dfe51{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-q6gblb-2ca4f603878baa89ad72608f966dfe51 av_one_full  avia-builder-el-3  el_after_av_one_full  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-lmsvk4xy-93f571348622cdb666d3a8d14ae119e0'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h5><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_THz_time_domain.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-59793 size-medium alignleft\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_THz_time_domain-300x178.jpg\" alt=\"\" width=\"300\" height=\"178\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_THz_time_domain-300x178.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_THz_time_domain-18x12.jpg 18w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_THz_time_domain.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><strong><span style=\"color: #800000;\">THz-TDS : SPECTROSCOPE TERAHERTZ EN DOMAINE TEMPOREL<\/span><\/strong><\/h5>\n<p><strong>La spectroscopie t\u00e9rahertz dans le domaine temporel est le dispositif de spectroscopie THz le plus r\u00e9pandu pour les mesures spectrales THz \u00e0 large bande.<\/strong> Elle est bas\u00e9e sur un laser femtoseconde dont l\u2019impulsion est transf\u00e9r\u00e9e dans le domaine spectral THz gr\u00e2ce \u00e0 une antenne photoconductrice (dans notre cas). L\u2019impulsion THz r\u00e9sultante est ensuite \u00e9chantillonn\u00e9e dans le temps \u00e0 l\u2019aide d\u2019une autre antenne photoconductrice d\u00e9clench\u00e9e par le laser femtoseconde apr\u00e8s un d\u00e9lai contr\u00f4l\u00e9. Cela conduit \u00e0 des traces temporelles qu\u2019une transform\u00e9e de Fourier transf\u00e8re dans le domaine spectral.<\/p>\n<h4>Application<\/h4>\n<p>La THz-TDS est utilis\u00e9e sur toutes sortes d\u2019\u00e9chantillons : gazeux, liquides, solides et m\u00eame plasma. Elle permet de sonder les lignes rovibrationnelles des gaz avec une tr\u00e8s bonne sp\u00e9cificit\u00e9 lorsque les mol\u00e9cules ont de ~3 \u00e0 ~10 atomes. Elle est tr\u00e8s sensible aux liquides polaires tels que l\u2019eau et joue donc un r\u00f4le important en biologie. La spectroscopie THz \u00e0 large bande est utilis\u00e9e sur des \u00e9chantillons de semi-conducteurs pour mesurer de tr\u00e8s faibles niveaux de dopage et sur des cristaux mol\u00e9culaires pour \u00e9tudier leur conformation.<\/p>\n<p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_applications.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-59794 size-full\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_applications.jpg\" alt=\"\" width=\"800\" height=\"233\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_applications.jpg 800w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_applications-300x87.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_applications-768x224.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_applications-18x5.jpg 18w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_applications-705x205.jpg 705w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf\">\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf{\ncolor:#800000;\nborder-color:#800000;\n}\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf .av-icon-char{\nfont-size:14px;\nline-height:14px;\n}\n<\/style>\n<span  class='av_font_icon av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue817' data-av_iconfont='entypo-fontello' ><\/span><\/span><\/p>\n<p>Etendue spectrale: 0,2 \u2013 5 THz<br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf\">\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf{\ncolor:#800000;\nborder-color:#800000;\n}\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf .av-icon-char{\nfont-size:14px;\nline-height:14px;\n}\n<\/style>\n<span  class='av_font_icon av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue817' data-av_iconfont='entypo-fontello' ><\/span><\/span> Etendue totale de la trace temporelle: 850 ps<br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf\">\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf{\ncolor:#800000;\nborder-color:#800000;\n}\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf .av-icon-char{\nfont-size:14px;\nline-height:14px;\n}\n<\/style>\n<span  class='av_font_icon av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue817' data-av_iconfont='entypo-fontello' ><\/span><\/span> R\u00e9solution spectrale (limit\u00e9e par la transform\u00e9e de Fourier):\u00a0 &lt;1,2 GHz<\/p>\n<\/div>\n<div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf\">\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf{\ncolor:#800000;\nborder-color:#800000;\n}\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf .av-icon-char{\nfont-size:14px;\nline-height:14px;\n}\n<\/style>\n<span  class='av_font_icon av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue817' data-av_iconfont='entypo-fontello' ><\/span><\/span> Meilleure r\u00e9solution possible par traitement du signal temporel<br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf\">\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf{\ncolor:#800000;\nborder-color:#800000;\n}\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf .av-icon-char{\nfont-size:14px;\nline-height:14px;\n}\n<\/style>\n<span  class='av_font_icon av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue817' data-av_iconfont='entypo-fontello' ><\/span><\/span> Dynamique : 100 dB<br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf\">\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf{\ncolor:#800000;\nborder-color:#800000;\n}\n.av_font_icon.av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf .av-icon-char{\nfont-size:14px;\nline-height:14px;\n}\n<\/style>\n<span  class='av_font_icon av-13ewzjw-8c532fbf13b671e085f78c8ea856b6cf avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue817' data-av_iconfont='entypo-fontello' ><\/span><\/span> Type d\u2019\u00e9chantillons: solides (wafers, poudres, pastilles\u2026) , particules resuspendues ou gaz<\/div>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2xcv1r-c49a3c6796912b7babeb5e399bb4327b\">\n.flex_column.av-2xcv1r-c49a3c6796912b7babeb5e399bb4327b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2xcv1r-c49a3c6796912b7babeb5e399bb4327b av_one_full  avia-builder-el-11  el_after_av_one_full  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-lmsy0kfx-01e25738b87458cd76ac43ac0cdf64d4'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h4 style=\"text-align: left;\">Contact:<\/h4>\n<p style=\"text-align: left;\"><div  class='avia-button-wrap av-rpqvoq-fcb9aba779308c0079d4d8bd7f0fb050-wrap avia-button-left  avia-builder-el-13  el_before_av_button  avia-builder-el-first'><a href='mailto:Sophie.Eliet@univ-lille.fr'  class='avia-button av-rpqvoq-fcb9aba779308c0079d4d8bd7f0fb050 av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-left avia-color-silver'   aria-label=\"Sophie.Eliet@univ-lille.fr\"><span class='avia_button_icon avia_button_icon_left' aria-hidden='true' data-av_icon='\ue805' 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.hr.av-lmsw3jws-9a850c5986e8d1fdca5a6d806f1f42fa{\nmargin-top:30px;\nmargin-bottom:30px;\n}\n.hr.av-lmsw3jws-9a850c5986e8d1fdca5a6d806f1f42fa .hr-inner{\nwidth:400px;\nborder-color:#821c37;\nmax-width:45%;\n}\n.hr.av-lmsw3jws-9a850c5986e8d1fdca5a6d806f1f42fa .av-seperator-icon{\ncolor:#992020;\n}\n<\/style>\n<div  class='hr av-lmsw3jws-9a850c5986e8d1fdca5a6d806f1f42fa hr-custom  avia-builder-el-15  el_after_av_textblock  avia-builder-el-last  hr-center hr-icon-yes'><span class='hr-inner inner-border-av-border-fat'><span class=\"hr-inner-style\"><\/span><\/span><span class='av-seperator-icon' aria-hidden='true' data-av_icon='\ue808' data-av_iconfont='entypo-fontello'><\/span><span class='hr-inner inner-border-av-border-fat'><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-q6gblb-2ca4f603878baa89ad72608f966dfe51\">\n.flex_column.av-q6gblb-2ca4f603878baa89ad72608f966dfe51{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-q6gblb-2ca4f603878baa89ad72608f966dfe51 av_one_full  avia-builder-el-16  el_after_av_one_full  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-lmsvk4xy-93f571348622cdb666d3a8d14ae119e0'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h5><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_couple.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-59800\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_couple-300x259.jpg\" alt=\"\" width=\"200\" height=\"173\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_couple-300x259.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_couple-14x12.jpg 14w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_couple.jpg 600w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><strong><span style=\"color: #800000;\">FTIR : SPECTROM\u00c8TRE INFRAROUGE \u00c0 TRANSFORM\u00c9E DE FOURIER, COUPL\u00c9 \u00c0 UN MICROSCOPE<\/span><\/strong><\/h5>\n<p><strong>Ce FTIR purg\u00e9 au N<sub>2<\/sub> permet l\u2019acquisition spectrale de l\u2019IR moyen \u00e0 la gamme spectrale THz<\/strong><br \/>\nGamme spectrale totale : 8 000 \u2013 50 cm<sup>-1<\/sup> (1,25\u03bcm- 200\u03bcm) (240THz- 1,5 THz)<br \/>\nR\u00e9solution spectrale : = 0,4 cm<sup>-1<br \/>\n<\/sup>D\u00e9tecteurs : DLATGS interne 8000-350 cm<sup>-1<\/sup> ; DTGS\/PE interne 680-50 cm<sup>-1<br \/>\n<\/sup>MCT externe (refroidi \u00e0 77K) : 12000-600 cm<sup>-1<\/sup><br \/>\nSource interne : Corps noir<br \/>\nCoupl\u00e9 \u00e0 un microscope MIR et \u00e0 un d\u00e9tecteur MCT interne (refroidi \u00e0 77K) : 12000-600 cm<sup>-1<\/sup><\/p>\n<p><strong><span style=\"color: #800000;\">Cartographie au microscope :<\/span><\/strong><\/p>\n<ul>\n<li>Pr\u00e9cision du pas : 0,1\u03bcm<\/li>\n<li>R\u00e9p\u00e9tabilit\u00e9 : 1\u03bcm<\/li>\n<li>Pr\u00e9cision du positionnement : +\/-3\u03bcm<\/li>\n<\/ul>\n<p><span style=\"color: #ffffff;\">&#8211;<\/span><\/p>\n<div id=\"attachment_59799\" style=\"width: 550px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_exemples.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-59799\" class=\"wp-image-59799\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_exemples.jpg\" alt=\"Spectroscopie exemple\" width=\"540\" height=\"378\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_exemples.jpg 800w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_exemples-300x210.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_exemples-768x538.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_exemples-18x12.jpg 18w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/09\/spectroscopie_exemples-705x494.jpg 705w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/a><p id=\"caption-attachment-59799\" class=\"wp-caption-text\">Les cavit\u00e9s sont constitu\u00e9es d\u2019h\u00e9t\u00e9rostructures aGaAs\/AlGAs et tiss\u00e9es entre le contact m\u00e9tallique et le plan de masse. Les spectres sont mesur\u00e9s en g\u00e9om\u00e9trie de r\u00e9flexion avec le microscope infrarouge moyen.<\/p><\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2xcv1r-c49a3c6796912b7babeb5e399bb4327b\">\n.flex_column.av-2xcv1r-c49a3c6796912b7babeb5e399bb4327b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2xcv1r-c49a3c6796912b7babeb5e399bb4327b av_one_full  avia-builder-el-18  el_after_av_one_full  avia-builder-el-last  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-lmsy0kfx-01e25738b87458cd76ac43ac0cdf64d4'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h4 style=\"text-align: left;\">Contact:<\/h4>\n<p style=\"text-align: left;\"><div  class='avia-button-wrap av-rpqvoq-fcb9aba779308c0079d4d8bd7f0fb050-wrap avia-button-left  avia-builder-el-20  el_before_av_button  avia-builder-el-first'><a href='mailto:Sophie.Eliet@univ-lille.fr'  class='avia-button av-rpqvoq-fcb9aba779308c0079d4d8bd7f0fb050 av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-left avia-color-silver'   aria-label=\"Sophie.Eliet@univ-lille.fr\"><span class='avia_button_icon avia_button_icon_left' aria-hidden='true' data-av_icon='\ue805' data-av_iconfont='entypo-fontello'><\/span><span class='avia_iconbox_title' >Sophie.Eliet@univ-lille.fr<\/span><\/a><\/div> \u00a0<div  class='avia-button-wrap av-rpqvoq-c3dddfbda59258b11f2dc72cdae53d06-wrap avia-button-left  avia-builder-el-21  el_after_av_button  avia-builder-el-last'><a href='mailto:stefano.barbieri@univ-lille.fr'  class='avia-button av-rpqvoq-c3dddfbda59258b11f2dc72cdae53d06 av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-left avia-color-silver'   aria-label=\"stefano.barbieri@univ-lille.fr\"><span class='avia_button_icon avia_button_icon_left' aria-hidden='true' data-av_icon='\ue805' data-av_iconfont='entypo-fontello'><\/span><span class='avia_iconbox_title' >stefano.barbieri@univ-lille.fr<\/span><\/a><\/div><\/p>\n<\/div><\/section><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":14195,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-59791","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/pages\/59791","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/comments?post=59791"}],"version-history":[{"count":0,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/pages\/59791\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/pages\/14195"}],"wp:attachment":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media?parent=59791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}