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<PubmedArticle><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">23385407</PMID><DateCompleted><Year>2013</Year><Month>12</Month><Day>18</Day></DateCompleted><DateRevised><Year>2021</Year><Month>10</Month><Day>21</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1424-8220</ISSN><JournalIssue CitedMedium="Internet"><Volume>13</Volume><Issue>2</Issue><PubDate><Year>2013</Year><Month>Jan</Month><Day>31</Day></PubDate></JournalIssue><Title>Sensors (Basel, Switzerland)</Title><ISOAbbreviation>Sensors (Basel)</ISOAbbreviation></Journal><ArticleTitle>Thermal strain analysis of optic fiber sensors.</ArticleTitle><Pagination><StartPage>1846</StartPage><EndPage>1855</EndPage><MedlinePgn>1846-55</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.3390/s130201846</ELocationID><Abstract><AbstractText>An optical fiber sensor surface bonded onto a host structure and subjected to a temperature change is analytically studied in this work. The analysis is developed in order to assess the thermal behavior of an optical fiber sensor designed for measuring the strain in the host structure. For a surface bonded optical fiber sensor, the measuring sensitivity is strongly dependent on the bonding characteristics which include the protective coating, adhesive layer and the bonding length. Thermal stresses can be generated due to a mismatch of thermal expansion coefficients between the optical fiber and host structure. The optical fiber thermal strain induced by the host structure is transferred via the adhesive layer and protective coating. In this investigation, an analytical expression of the thermal strain and stress in the optical fiber is presented. The theoretical predictions are validated using the finite element method. Numerical results show that the thermal strain and stress are linearly dependent on the difference in thermal expansion coefficients between the optical fiber and host structure and independent of the thermal expansion coefficients of the adhesive and coating.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Her</LastName><ForeName>Shiuh-Chuan</ForeName><Initials>SC</Initials><AffiliationInfo><Affiliation>Department of Mechanical Engineering, Yuan Ze University, Chung-Li 320, Taiwan. mesch@saturn.yzu.edu.tw</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Huang</LastName><ForeName>Chih-Ying</ForeName><Initials>CY</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>01</Month><Day>31</Day></ArticleDate></Article><MedlineJournalInfo><Country>Switzerland</Country><MedlineTA>Sensors (Basel)</MedlineTA><NlmUniqueID>101204366</NlmUniqueID><ISSNLinking>1424-8220</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>1</Month><Day>16</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>1</Month><Day>24</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>1</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>2</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>2</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>2</Month><Day>7</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="pmc-release"><Year>2013</Year><Month>1</Month><Day>1</Day></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23385407</ArticleId><ArticleId IdType="pmc">PMC3649389</ArticleId><ArticleId IdType="doi">10.3390/s130201846</ArticleId><ArticleId IdType="pii">s130201846</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Botsis J., Humbert L., Coplo F., Giaccari P. 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