{"id":69179,"date":"2024-08-12T11:00:01","date_gmt":"2024-08-12T17:00:01","guid":{"rendered":"http:\/\/www.teamwavelength.com\/maintenance\/?p=69179"},"modified":"2024-08-12T11:00:58","modified_gmt":"2024-08-12T17:00:58","slug":"new-case-study-simultaneous-multi-gas-detection-using-icl-photoacoustic-spectroscopy","status":"publish","type":"post","link":"https:\/\/www.teamwavelength.com\/maintenance\/new-case-study-simultaneous-multi-gas-detection-using-icl-photoacoustic-spectroscopy\/","title":{"rendered":"NEW Case Study: Simultaneous Multi-Gas Detection Using ICL Photoacoustic Spectroscopy"},"content":{"rendered":"
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August 12, 2024<\/h4>\n[\/vc_column_inner][vc_column_inner width=”1\/2″][\/vc_column_inner][\/vc_row_inner]\n[vc_row_inner][vc_column_inner width=”1\/2″]\nResearchers from China have developed and demonstrated a simultaneous, multi-component gas detection system based on differential Helmholtz resonance spectroscopy with a mid-infrared, tunable, interband cascade laser (ICL). The first harmonic demodulation method was used under ambient pressure to detect three light carbon gases: CH4, C2H4, and C2H6. Using this photoacoustic system, the detection limits reached 98.8 ppb, 252 ppb, and 33 ppb for methane, ethylene, and ethane, respectively. Multi-wavelength linear regression was implemented to reduce the effects of cross-interference of the three gases, maintaining the accuracy of the gas concentration measurements. <\/p>\n[\/vc_column_inner][vc_column_inner width=”1\/2″]\n\"\"<\/p>\n[\/vc_column_inner][\/vc_row_inner]\n[vc_row_inner][vc_column_inner width=”1\/2″]\n\"\"
\n[\/vc_column_inner][vc_column_inner width=”1\/2″]\nThis new method, using an ICL with a Helmholtz resonator, provides a simple and fast multiple gas detection technique for atmospheric research, medicine, the food industry, pollutant monitoring, and the power industry. Researchers used Wavelength Electronics\u2019 WTC3243<\/a> Temperature Controller to ensure ultra-stable temperature of the tunable ICL. Precise temperature control of the laser wavelength was crucial with the current ramp changing the laser wavelength only a few nanometers for the full absorption spectrum of the three gases. With a consistent and precise laser temperature, researchers can ensure an accurate and repeatable output from the laser. They also used the WTC3293<\/a> Evaluation Board to rapidly prototype their control system. These devices enabled quick integration of the laser control system with the Helmholtz resonance spectrometer for multi-component gas detection for environmental, atmospheric, or industrial applications.<\/p>\n

The complete case study is available as CS-TC09<\/a>.<\/p>\n[\/vc_column_inner][\/vc_row_inner]\n<\/div>","protected":false},"excerpt":{"rendered":"

[vc_row_inner][vc_column_inner width=”1\/3″] August 12, 2024 [\/vc_column_inner][vc_column_inner width=”1\/2″][\/vc_column_inner][\/vc_row_inner] [vc_row_inner][vc_column_inner width=”1\/2″] Researchers from China have developed and demonstrated a simultaneous, multi-component gas detection system based on differential Helmholtz resonance spectroscopy with a mid-infrared, tunable, interband cascade laser (ICL). The first harmonic demodulation method was used under ambient pressure to detect three light carbon gases: CH4, C2H4, and […]<\/p>\n","protected":false},"author":8,"featured_media":69188,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-69179","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/posts\/69179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/comments?post=69179"}],"version-history":[{"count":4,"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/posts\/69179\/revisions"}],"predecessor-version":[{"id":69189,"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/posts\/69179\/revisions\/69189"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/media\/69188"}],"wp:attachment":[{"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/media?parent=69179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/categories?post=69179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.teamwavelength.com\/maintenance\/wp-json\/wp\/v2\/tags?post=69179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}