{"id":8254,"date":"2024-09-15T19:29:38","date_gmt":"2024-09-15T16:29:38","guid":{"rendered":"https:\/\/quantum-electronics.ru\/en\/?p=8254"},"modified":"2024-09-16T13:49:33","modified_gmt":"2024-09-16T10:49:33","slug":"coherent-mid-ir-supercontinuum-in-a-hollow-core-fiber-filled-with-a-mixture-of-deuterium-and-nitrogen","status":"publish","type":"post","link":"https:\/\/quantum-electronics.ru\/en\/coherent-mid-ir-supercontinuum-in-a-hollow-core-fiber-filled-with-a-mixture-of-deuterium-and-nitrogen\/","title":{"rendered":"Coherent mid-IR supercontinuum in a hollow core fiber filled with a mixture of deuterium and nitrogen"},"content":{"rendered":"<p>Yu. P. Yatsenko, A. V. Gladyshev, I. A. Bufetov<\/p>\n<ul>\n<li>Fiber Optics Research Center of the Russian Academy of Sciences<\/li>\n<\/ul>\n<div class=\"around-button\"><b>Abstract:<\/b> The energy conversion into the mid-IR region (greater than 2.2 \u03bcm) was numerically studied under pumping a gas-filled revolving fiber with a hollow core with chirped picosecond pulses at the wavelength of 1.56 \u03bcm. It was shown that the combined cascade SRS process at vibrational-rotational levels in D<sub>2<\/sub> \u2013 N<sub>2<\/sub> mixture increases the degree of supercontinuum coherence and the maximum values of quantum efficiency of SRS conversion as compared to a single-cascade process in deuterium. The possibility of obtaining supercontinuum waves with 1800 nm spectral width and maximum quantum conversion efficiency of 48% in the range of partial pressures D<sub>2<\/sub> and N<sub>2<\/sub> up to 50 atm was demonstrated.<\/div>\n<div class=\"around-button\"><b>Keywords:<\/b> <i>coherent supercontinuum, stimulated Raman scattering, vibrational-rotational levels, gas-filled fiber with a hollow core, chirped picosecond pulses.<\/i><\/div>\n<div><\/div>\n<div><b>Received:<\/b> 03.02.2023<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Yu. P. Yatsenko, A. V. Gladyshev, I. A. Bufetov Fiber Optics Research Center of the Russian Academy of Sciences Abstract: The energy conversion into the mid-IR region (greater than 2.2 \u03bcm) was numerically studied under pumping a gas-filled revolving fiber with a hollow core with chirped picosecond pulses at the wavelength of 1.56 \u03bcm. It\u2026 <span class=\"read-more\"><a href=\"https:\/\/quantum-electronics.ru\/en\/coherent-mid-ir-supercontinuum-in-a-hollow-core-fiber-filled-with-a-mixture-of-deuterium-and-nitrogen\/\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8254","post","type-post","status-publish","format-standard","hentry","category-stats"],"_links":{"self":[{"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/posts\/8254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/comments?post=8254"}],"version-history":[{"count":0,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/posts\/8254\/revisions"}],"wp:attachment":[{"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/media?parent=8254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/categories?post=8254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/tags?post=8254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}