{"id":2315,"date":"2025-09-04T19:01:04","date_gmt":"2025-09-04T19:01:04","guid":{"rendered":"https:\/\/creol.ucf.edu\/lpl\/?page_id=2315"},"modified":"2025-09-05T14:23:48","modified_gmt":"2025-09-05T14:23:48","slug":"midir","status":"publish","type":"page","link":"https:\/\/creol.ucf.edu\/lpl\/spectroscopy\/midir\/","title":{"rendered":"Enhancement of Plasma Emission by Mid-IR Heating"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2315\" class=\"elementor elementor-2315\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-600b6e7b e-con-full e-flex e-con e-parent\" data-id=\"600b6e7b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2fd7529d elementor-widget elementor-widget-spacer\" data-id=\"2fd7529d\" data-element_type=\"widget\" data-e-type=\"widget\" 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data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Laser Spectroscopy and Sensing<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c959f64 elementor-widget elementor-widget-text-editor\" data-id=\"6c959f64\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Enhancement of Plasma Emission by Mid-IR Heating<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7beeee73 elementor-widget elementor-widget-image\" data-id=\"7beeee73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"250\" height=\"250\" src=\"https:\/\/creol.ucf.edu\/lpl\/wp-content\/uploads\/sites\/87\/2025\/09\/CO2_picture.jpg\" class=\"attachment-medium size-medium wp-image-2159\" alt=\"\" srcset=\"https:\/\/creol.ucf.edu\/lpl\/wp-content\/uploads\/sites\/87\/2025\/09\/CO2_picture.jpg 250w, https:\/\/creol.ucf.edu\/lpl\/wp-content\/uploads\/sites\/87\/2025\/09\/CO2_picture-150x150.jpg 150w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-65d3225c e-con-full e-flex e-con e-child\" data-id=\"65d3225c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6621010 elementor-widget elementor-widget-text-editor\" data-id=\"6621010\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"maincontent\"><div class=\"maincontent\"><p>We are investigating dual-pulsed laser induced breakdown spectroscopy (LIBS) using both an Nd:YAG laser at fundamental wavelength of 1064 nm and TEA CO2 laser a 10.6 \u00b5m as a possible method of improving the sensitivity of this analytical technique. We have chosen to use a CO2 laser because more absorption of laser energy should be possible as a result of the critical electron density scaling with the square of the laser wavelength and therefore. To quantify any effect of this additional longer wavelength pulse, we have looked at metal samples to investigate the thermodynamic properties of the laser induced plasma. For an iron sample, we found little plasma heating resulting from a CO2 pulse following the ablation pulse of the Nd:YAG laser; however, there was an increase in plasma temperature and spectral emission when the CO2laser pulse preceded the Nd:YAG.<\/p><p>Recently, our work has focused on few-micron-thick films of organic material on silicon substrates. For these samples, the enhanced plasma emission resulted from an ablative pulse from the Nd:YAG followed by a re-heating pulse from the CO2 laser.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"Laser Spectroscopy and Sensing Enhancement of Plasma Emission by Mid-IR Heating We are investigating dual-pulsed laser induced breakdown spectroscopy (LIBS) using both an Nd:YAG laser at fundamental wavelength of 1064 nm and TEA CO2 laser a 10.6 \u00b5m as a possible method of improving the sensitivity of this analytical technique. We have chosen to use&hellip;","protected":false},"author":1,"featured_media":0,"parent":2213,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2315","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/creol.ucf.edu\/lpl\/wp-json\/wp\/v2\/pages\/2315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/creol.ucf.edu\/lpl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/creol.ucf.edu\/lpl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/creol.ucf.edu\/lpl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/creol.ucf.edu\/lpl\/wp-json\/wp\/v2\/comments?post=2315"}],"version-history":[{"count":4,"href":"https:\/\/creol.ucf.edu\/lpl\/wp-json\/wp\/v2\/pages\/2315\/revisions"}],"predecessor-version":[{"id":2518,"href":"https:\/\/creol.ucf.edu\/lpl\/wp-json\/wp\/v2\/pages\/2315\/revisions\/2518"}],"up":[{"embeddable":true,"href":"https:\/\/creol.ucf.edu\/lpl\/wp-json\/wp\/v2\/pages\/2213"}],"wp:attachment":[{"href":"https:\/\/creol.ucf.edu\/lpl\/wp-json\/wp\/v2\/media?parent=2315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}