{"id":7888,"date":"2024-09-13T11:30:07","date_gmt":"2024-09-13T08:30:07","guid":{"rendered":"https:\/\/quantum-electronics.ru\/en\/?p=7888"},"modified":"2024-09-13T13:39:14","modified_gmt":"2024-09-13T10:39:14","slug":"coherent-optical-frequency-reflectometer-based-on-a-self-scanning-fibre-laser-for-distributed-measurements","status":"publish","type":"post","link":"https:\/\/quantum-electronics.ru\/en\/coherent-optical-frequency-reflectometer-based-on-a-self-scanning-fibre-laser-for-distributed-measurements\/","title":{"rendered":"Coherent optical frequency reflectometer based on a self-scanning fibre laser for distributed measurements"},"content":{"rendered":"<p>D. A. Krivosheina, A. Yu. Tkachenko, I. A. Lobach, S. I. Kablukov<\/p>\n<ul>\n<li>Institute of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences, Novosibirsk<\/li>\n<li>Novosibirsk State Technical University<\/li>\n<li>Novosibirsk State University<\/li>\n<\/ul>\n<div class=\"around-button\"><b>Abstract:<\/b> We report the possibility of measuring the temperature distribution along a conventional single-mode fibre by coherent optical frequency reflectometry using a self-scanning fibre laser and Rayleigh scattering of light by inhomogeneities frozen into the fibre. To this end, the problem of increasing the sensitivity of the reflectometer to a level of about \u2013120 dB\u00b7mm<sup>\u20131<\/sup> is solved. A linear relationship is shown between a change in fibre temperature and a shift in the reflection spectrum of a heated fibre section 4 cm long with a sensitivity of \u223c2 GHz\u00b7C\u00b0<sup>\u20131. <\/sup><\/div>\n<div class=\"around-button\"><b>Keywords:<\/b> optical reflectometry, optical fibre, fibre laser, Rayleigh light scattering.<\/div>\n<div><\/div>\n<div><b>Received:<\/b> 16.09.2022<\/div>\n","protected":false},"excerpt":{"rendered":"<p>D. A. Krivosheina, A. Yu. Tkachenko, I. A. Lobach, S. I. Kablukov Institute of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences, Novosibirsk Novosibirsk State Technical University Novosibirsk State University Abstract: We report the possibility of measuring the temperature distribution along a conventional single-mode fibre by coherent optical frequency reflectometry using a self-scanning\u2026 <span class=\"read-more\"><a href=\"https:\/\/quantum-electronics.ru\/en\/coherent-optical-frequency-reflectometer-based-on-a-self-scanning-fibre-laser-for-distributed-measurements\/\">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":[3068,3069,2949,2947],"class_list":["post-7888","post","type-post","status-publish","format-standard","hentry","category-stats","tag-a-yu-tkachenko","tag-3069","tag-2949","tag-2947"],"_links":{"self":[{"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/posts\/7888","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=7888"}],"version-history":[{"count":0,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/posts\/7888\/revisions"}],"wp:attachment":[{"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/media?parent=7888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/categories?post=7888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/tags?post=7888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}