{"id":12789,"date":"2021-04-07T07:00:20","date_gmt":"2021-04-07T05:00:20","guid":{"rendered":"https:\/\/www.hilase.cz\/?p=12789"},"modified":"2024-05-21T11:20:50","modified_gmt":"2024-05-21T09:20:50","slug":"multi-octave-spanning-supercontinuum-generation-through-high-energy-laser-filaments-in-yag-and-znse-pumped-by-a-2-4-%c2%b5m-femtosecond-crznse-laser","status":"publish","type":"post","link":"https:\/\/www.hilase.cz\/en\/multi-octave-spanning-supercontinuum-generation-through-high-energy-laser-filaments-in-yag-and-znse-pumped-by-a-2-4-%c2%b5m-femtosecond-crznse-laser\/","title":{"rendered":"Multi-octave-spanning supercontinuum generation through high-energy laser filaments in YAG and ZnSe pumped by a 2.4 \u00b5m femtosecond Cr:ZnSe laser"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[176],"class_list":["post-12789","post","type-post","status-publish","format-standard","hentry","category-paper"],"acf":{"obrazek":{"ID":12798,"id":12798,"title":"tile Multi-octave-spanning...","filename":"tile-Multi-octave-spanning....png","filesize":57358,"url":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning....png","link":"https:\/\/www.hilase.cz\/en\/multi-octave-spanning-supercontinuum-generation-through-high-energy-laser-filaments-in-yag-and-znse-pumped-by-a-2-4-%c2%b5m-femtosecond-crznse-laser\/tile-multi-octave-spanning\/","alt":"","author":"15","description":"","caption":"","name":"tile-multi-octave-spanning","status":"inherit","uploaded_to":12789,"date":"2021-04-06 17:20:49","modified":"2021-04-06 17:20:49","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.hilase.cz\/wp-includes\/images\/media\/default.png","width":314,"height":166,"sizes":{"thumbnail":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning...-175x166.png","thumbnail-width":175,"thumbnail-height":166,"medium":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning....png","medium-width":314,"medium-height":166,"medium_large":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning....png","medium_large-width":314,"medium_large-height":166,"large":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning....png","large-width":314,"large-height":166,"1536x1536":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning....png","1536x1536-width":314,"1536x1536-height":166,"2048x2048":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning....png","2048x2048-width":314,"2048x2048-height":166,"image":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning....png","image-width":314,"image-height":166,"gallery":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning...-273x166.png","gallery-width":273,"gallery-height":166,"card":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning....png","card-width":314,"card-height":166,"square":"https:\/\/www.hilase.cz\/wp-content\/uploads\/tile-Multi-octave-spanning....png","square-width":314,"square-height":166}},"obsah":[{"acf_fc_layout":"text","text":"<p>An article of our colleague and expert on nonlinear optics, Ondrej Novak, has been recently published in the journal of <a href=\"https:\/\/www.cambridge.org\/core\/journals\/high-power-laser-science-and-engineering\/article\/multioctavespanning-supercontinuum-generation-through-highenergy-laser-filaments-in-yag-and-znse-pumped-by-a-24-m-femtosecond-crznse-laser\/D824283CB6021D9C430E297CC877705D\">High Power Laser Science and Engineering<\/a>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.hilase.cz\/wp-content\/uploads\/Multi-octave-spanning...-1.png\" alt=\"\" \/><\/p>\n<p>The article titled <a href=\"https:\/\/www.hilase.cz\/wp-content\/uploads\/multi-octave-spanning-supercontinuum-generation-through-high-energy-laser-filaments-in-yag-and-znse-pumped-by-a-24-m-femtosecond-crznse-laser.pdf\">&#8220;Multi-octave-spanning supercontinuum generation through high-energy laser filaments in YAG and ZnSe pumped by a 2.4 \u00b5m femtosecond Cr:ZnSe laser&#8221;<\/a> presents experimental and numerical investigations of high-energy mid-infrared filamentation with multi-octave-spanning supercontinuum generation (SCG), pumped by a 2.4 \u03bcm, 250 fs Cr:ZnSe chirped-pulse laser amplifier. The SCG is demonstrated in both anomalous and normal dispersion regimes with YAG and polycrystalline ZnSe, respectively. The formation of stable and robust single filaments along with the visible-to-mid-infrared SCG is obtained with a pump energy of up to 100 \u03bcJ in a 6-mm-long YAG medium. To our best knowledge, this is the highest-energy multi-octave-spanning SCG from a laser filament in a solid. On the other hand, the SCG and even-harmonic generation based on random quasi-phase matching (RQPM) are simultaneously observed from the single filaments in a 6-mm-long polycrystalline ZnSe medium with a pump energy of up to 15 \u03bcJ. The numerical simulations based on unidirectional pulse propagation equation and RQPM show excellent agreement with the measured multi-octave-spanning SCG and even-harmonic generation. They also reveal the temporal structure of mid-infrared filaments, such as soliton-like self-compression in YAG and pulse broadening in ZnSe.<\/p>\n","oddelovace":"none"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Multi-octave-spanning supercontinuum generation through high-energy laser filaments in YAG and ZnSe pumped by a 2.4 \u00b5m femtosecond Cr:ZnSe laser - HiLASE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hilase.cz\/en\/multi-octave-spanning-supercontinuum-generation-through-high-energy-laser-filaments-in-yag-and-znse-pumped-by-a-2-4-\u00b5m-femtosecond-crznse-laser\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Multi-octave-spanning supercontinuum generation through high-energy laser filaments in YAG and ZnSe pumped by a 2.4 \u00b5m femtosecond Cr:ZnSe laser - 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