{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T03:56:25Z","timestamp":1760241385184,"version":"build-2065373602"},"reference-count":15,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2018,1,12]],"date-time":"2018-01-12T00:00:00Z","timestamp":1515715200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["Grant No.51505047"],"award-info":[{"award-number":["Grant No.51505047"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"the Foundation and Advanced research Project of Chongqing","award":["Grant No.cstc2016jcyjA0479"],"award-info":[{"award-number":["Grant No.cstc2016jcyjA0479"]}]},{"DOI":"10.13039\/501100012226","name":"Fundamental Research Funds for the Central Universities of China","doi-asserted-by":"publisher","award":["Grant No.106112016CDJXY120004"],"award-info":[{"award-number":["Grant No.106112016CDJXY120004"]}],"id":[{"id":"10.13039\/501100012226","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In order to access the fretting damage of the steam generator tube (SGT), a fast fiber Fabry-Perot (F-P) non-scanning correlation demodulation system based on a super luminescent light emitting diode (SLED) was performed. By demodulating the light signal coming out from the F-P force sensor, the radial collision force between the SGT and the tube support plate (TSP) was interrogated. For higher demodulation accuracy, the effects of the center wavelength, bandwidth, and spectrum noise of SLED were discussed in detail. Specially, a piezoelectric ceramic transducer (PZT) modulation method was developed to get rid of the interference of mode coupling induced by different types of fiber optics in the demodulation system. The reflectivity of optical wedge and F-P sensor was optimized. Finally, the demodulation system worked well in a 1:1 steam generator test loop and successfully demodulated a force signal of 32 N with a collision time of 2 ms.<\/jats:p>","DOI":"10.3390\/s18010201","type":"journal-article","created":{"date-parts":[[2018,1,15]],"date-time":"2018-01-15T04:01:55Z","timestamp":1515988915000},"page":"201","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Optical Fiber Demodulation System with High Performance for Assessing Fretting Damage of Steam Generator Tubes"],"prefix":"10.3390","volume":"18","author":[{"given":"Peijian","family":"Huang","sequence":"first","affiliation":[{"name":"The Key Laboratory of Optoelectronic Technology &amp; System (Ministry of Education), Chongqing University, Chongqing 400044, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ning","family":"Wang","sequence":"additional","affiliation":[{"name":"The Key Laboratory of Optoelectronic Technology &amp; System (Ministry of Education), Chongqing University, Chongqing 400044, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Junying","family":"Li","sequence":"additional","affiliation":[{"name":"The Key Laboratory of Optoelectronic Technology &amp; System (Ministry of Education), Chongqing University, Chongqing 400044, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong","family":"Zhu","sequence":"additional","affiliation":[{"name":"The Key Laboratory of Optoelectronic Technology &amp; System (Ministry of Education), Chongqing University, Chongqing 400044, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jie","family":"Zhang","sequence":"additional","affiliation":[{"name":"The Key Laboratory of Optoelectronic Technology &amp; System (Ministry of Education), Chongqing University, Chongqing 400044, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhide","family":"Xi","sequence":"additional","affiliation":[{"name":"Nuclear Power Institute of China, Chengdu 610041, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2018,1,12]]},"reference":[{"key":"ref_1","unstructured":"Wade, W.C. (1995). Steam Generator Degradation and Its Collision on Continued Operation of Pressurized Water Reactors in the United States. Energy Information Administration\/Electric Power Monthly, Energy Information Administration."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"198","DOI":"10.1016\/j.wear.2017.07.022","article-title":"Characterization of damage and triboparticles resulting from fretting of incoloy 800 steam generator tubes against different materials","volume":"390\u2013391","author":"Soria","year":"2017","journal-title":"Wear"},{"key":"ref_3","first-page":"442","article-title":"Fretting-wear characteristics of steam generator tubes by foreign object","volume":"35","author":"Jong","year":"2003","journal-title":"Nucl. Eng. Technol."},{"key":"ref_4","unstructured":"Frick, T.M., Sobek, T.E., and Reavis, J.R. (1984). Overview on the Development and Implementation of Methodologies to Compute Vibration and Wear of Steam Generator Tubes. 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(6,548,939), U.S. Patent."}],"container-title":["Sensors"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1424-8220\/18\/1\/201\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T14:51:00Z","timestamp":1760194260000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1424-8220\/18\/1\/201"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,1,12]]},"references-count":15,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2018,1]]}},"alternative-id":["s18010201"],"URL":"https:\/\/doi.org\/10.3390\/s18010201","relation":{},"ISSN":["1424-8220"],"issn-type":[{"type":"electronic","value":"1424-8220"}],"subject":[],"published":{"date-parts":[[2018,1,12]]}}}