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Express"],"published-print":{"date-parts":[[2024,5,20]]},"abstract":"<jats:p>Micro-mirror optical fiber hydrogen sensors have the advantages of compact structure and fast demodulation speed. All-optical sensor networks consisting of micro-mirror optical fiber hydrogen sensors are essentially necessary across the hydrogen value chain. A bus chain topology structure hydrogen leakage detecting system based on micro-mirror sensors is proposed and experimentally demonstrated. A compensating optical path with constant power supply is introduced, and the power dissipation scheme is theoretically and experimentally proposed by designating the splitting ratios of the splitters array. By constructing such a network with twenty micro-mirror hydrogen sensors, the system has been experimentally verified with good repeatability and stability under different concentrations of hydrogen. By employing this bus chain topology strategy, a quasi-distributed optical fiber hydrogen leakage detection system with micro-mirror hydrogen sensors array is realized. It will provide a promising solution with high feasibility on multi-point leakage detecting in hydrogen infrastructures.<\/jats:p>","DOI":"10.1364\/oe.518672","type":"journal-article","created":{"date-parts":[[2024,4,29]],"date-time":"2024-04-29T00:00:08Z","timestamp":1714348808000},"page":"19242","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Quasi-distributed optical fiber hydrogen leakage detecting system based on bus chain topology structure"],"prefix":"10.1364","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3082-1059","authenticated-orcid":true,"given":"Wenbin","family":"Hu","sequence":"first","affiliation":[{"name":"Wuhan University of Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bingyang","family":"Xue","sequence":"additional","affiliation":[{"name":"Wuhan University of Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jixiang","family":"Dai","sequence":"additional","affiliation":[{"name":"Wuhan University of Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kai","family":"Yin","sequence":"additional","affiliation":[{"name":"Wuhan University of Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhangning","family":"Chen","sequence":"additional","affiliation":[{"name":"Wuhan University of Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minghong","family":"Yang","sequence":"additional","affiliation":[{"name":"Wuhan University of Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2024,5,10]]},"reference":[{"key":"oe-32-11-19242-R1","doi-asserted-by":"publisher","first-page":"L46","DOI":"10.1149\/1.2086073","volume":"138","author":"Butler","year":"1991","journal-title":"J. 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