{"id":18845,"date":"2022-02-01T20:00:31","date_gmt":"2022-02-01T19:00:31","guid":{"rendered":"https:\/\/www.hilase.cz\/?p=18845"},"modified":"2024-05-21T11:13:44","modified_gmt":"2024-05-21T09:13:44","slug":"spectral-broadening-and-a-prospect-for-pulse-compression-of-ybyag-thin-disk-laser-pulses-by-nonlinear-shg-in-a-bbo-crystal-with-time-predelay-and-tilting-of-the-pulse-fronts","status":"publish","type":"post","link":"https:\/\/www.hilase.cz\/en\/spectral-broadening-and-a-prospect-for-pulse-compression-of-ybyag-thin-disk-laser-pulses-by-nonlinear-shg-in-a-bbo-crystal-with-time-predelay-and-tilting-of-the-pulse-fronts\/","title":{"rendered":"Spectral broadening and a prospect for pulse compression of Yb:YAG thin-disk laser pulses by nonlinear SHG in a BBO crystal with time predelay and tilting of the pulse fronts"},"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-18845","post","type-post","status-publish","format-standard","hentry","category-paper"],"acf":{"obrazek":{"ID":18847,"id":18847,"title":"paper Martin Duda (314\u00a0\u00d7\u00a0166\u00a0px)","filename":"paper-Martin-Duda-314-\u00d7-166-px.png","filesize":80532,"url":"https:\/\/www.hilase.cz\/wp-content\/uploads\/paper-Martin-Duda-314-\u00d7-166-px.png","link":"https:\/\/www.hilase.cz\/en\/spectral-broadening-and-a-prospect-for-pulse-compression-of-ybyag-thin-disk-laser-pulses-by-nonlinear-shg-in-a-bbo-crystal-with-time-predelay-and-tilting-of-the-pulse-fronts\/paper-martin-duda-314-x-166-px\/","alt":"","author":"15","description":"","caption":"","name":"paper-martin-duda-314-x-166-px","status":"inherit","uploaded_to":18845,"date":"2022-01-24 20:34:17","modified":"2022-01-24 20:34:17","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\/paper-Martin-Duda-314-\u00d7-166-px-175x166.png","thumbnail-width":175,"thumbnail-height":166,"medium":"https:\/\/www.hilase.cz\/wp-content\/uploads\/paper-Martin-Duda-314-\u00d7-166-px.png","medium-width":314,"medium-height":166,"medium_large":"https:\/\/www.hilase.cz\/wp-content\/uploads\/paper-Martin-Duda-314-\u00d7-166-px.png","medium_large-width":314,"medium_large-height":166,"large":"https:\/\/www.hilase.cz\/wp-content\/uploads\/paper-Martin-Duda-314-\u00d7-166-px.png","large-width":314,"large-height":166,"1536x1536":"https:\/\/www.hilase.cz\/wp-content\/uploads\/paper-Martin-Duda-314-\u00d7-166-px.png","1536x1536-width":314,"1536x1536-height":166,"2048x2048":"https:\/\/www.hilase.cz\/wp-content\/uploads\/paper-Martin-Duda-314-\u00d7-166-px.png","2048x2048-width":314,"2048x2048-height":166,"image":"https:\/\/www.hilase.cz\/wp-content\/uploads\/paper-Martin-Duda-314-\u00d7-166-px.png","image-width":314,"image-height":166,"gallery":"https:\/\/www.hilase.cz\/wp-content\/uploads\/paper-Martin-Duda-314-\u00d7-166-px-273x166.png","gallery-width":273,"gallery-height":166,"card":"https:\/\/www.hilase.cz\/wp-content\/uploads\/paper-Martin-Duda-314-\u00d7-166-px.png","card-width":314,"card-height":166,"square":"https:\/\/www.hilase.cz\/wp-content\/uploads\/paper-Martin-Duda-314-\u00d7-166-px.png","square-width":314,"square-height":166}},"obsah":[{"acf_fc_layout":"text","text":"<p><strong>Martin Duda, in cooperation with his colleagues from the HiLASE Centre, \u00a0Ond\u0159ej Nov\u00e1k, Martin Cimrman, Jaroslav Huynh, Martin Smr\u017e, and Tom\u00e1\u0161 Mocek, had an article published in the <a href=\"https:\/\/www.osapublishing.org\/optcon\/issue.cfm?volume=1&amp;issue=1\">Optics Continuum<\/a> journal just in the very beginning of 2022. In the article, they covered the topic of Spectral broadening and a prospect for pulse compression of Yb:YAG thin-disk laser pulses by nonlinear SHG in a BBO crystal with time predelay and tilting of the pulse fronts.<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.hilase.cz\/wp-content\/uploads\/1-52.png\" alt=\"\" \/><\/p>\n<p>Pulse compression by second harmonic generation in a type II nonlinear optical crystal controlled by a time predelay of the faster input pulse is not simple to achieve high-average-power Yb:YAG lasers with wavelength of 1030\u2009nm. The reason is that the borate nonlinear crystals with their excellent thermal properties do not have the optimal ratio of group velocities of the interacting pulses to achieve efficient pulse compression. The authors have changed the effective group velocities by tilting the pulse fronts at a diffraction grating and imaging the tilted 1.7\u2009ps pulses into the 6 and 8.5\u2009mm thick BBO crystals. As a result, the research team has measured significant spectral broadening to 4.5\u2009nm, supporting pulses as short as 100\u2009fs, with an energy conversion efficiency in excess of 20\u2009%. The measured data correspond well with numerical simulations. This research opens a way to extend the range of possible applications of Yb:YAG high-average-power thin-disk lasers into the fs regime.<\/p>\n<p>For more details please read the <a href=\"https:\/\/www.osapublishing.org\/optcon\/fulltext.cfm?uri=optcon-1-1-16&amp;id=468472\">whole article<\/a>.<\/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>Spectral broadening and a prospect for pulse compression of Yb:YAG thin-disk laser pulses by nonlinear SHG in a BBO crystal with time predelay and tilting of the pulse fronts - 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\/spectral-broadening-and-a-prospect-for-pulse-compression-of-ybyag-thin-disk-laser-pulses-by-nonlinear-shg-in-a-bbo-crystal-with-time-predelay-and-tilting-of-the-pulse-fronts\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spectral broadening and a prospect for pulse compression of Yb:YAG thin-disk laser pulses by nonlinear SHG in a BBO crystal with time predelay and tilting of the pulse fronts - 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