{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T14:28:03Z","timestamp":1785421683993,"version":"3.56.0"},"reference-count":23,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T00:00:00Z","timestamp":1776124800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004826","name":"Beijing Natural Science Foundation","doi-asserted-by":"publisher","award":["2026B204"],"award-info":[{"award-number":["2026B204"]}],"id":[{"id":"10.13039\/501100004826","id-type":"DOI","asserted-by":"publisher"}]},{"name":"CAST"},{"id":[{"id":"https:\/\/ror.org\/035vmht26","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100020437","name":"Beijing Association for Science and Technology","doi-asserted-by":"crossref","award":["BYESS2024388"],"award-info":[{"award-number":["BYESS2024388"]}],"id":[{"id":"10.13039\/501100020437","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Glass-based Functional Material Technology Innovation Center","award":["GFMTIC2025A01"],"award-info":[{"award-number":["GFMTIC2025A01"]}]},{"name":"National Building Materials Industry of the China Building Materials Federation","award":["202201JBGS11-01"],"award-info":[{"award-number":["202201JBGS11-01"]}]},{"name":"China National Building Materials Group","award":["2023SJYL07"],"award-info":[{"award-number":["2023SJYL07"]}]},{"award":["2023SJYL07"],"award-info":[{"award-number":["2023SJYL07"]}],"id":[{"id":"https:\/\/ror.org\/05ve6g218","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>In extreme scenarios such as nuclear explosions and high-energy radiation detection in space, UV-cured adhesives are usually used as coupling media to bind tapered optic fiber arrays with intensified charge-coupled devices or complementary metal\u2013oxide semiconductors and a tapered optic fiber array for effective optical signal transmission. To address the issue of weak bonding strength caused by the small binding area between charge-coupled devices or complementary metal\u2013oxide semiconductors and TOFA, a stage-wise curing process was investigated and proved to be efficient through comparison with the single curing process. The effect of interval time between the initial and final curing on coupling strength was characterized by tensile strength, shear strength and shock acceleration testing, and the samples were exposed to high and low temperatures for evaluation of their environmental adaptability. The curing mechanism was analyzed by surface morphology of the adhesive layer after decoupling and an energy-dispersive X-ray spectroscopy elemental analysis of interface layer. The results show that when the interval time is extended from 5 min to 60 min, the shock acceleration of the coupling device decreases by 26.1%, while the tensile and shear strengths also decrease by 49.4% and 60.7%, respectively. The decline in coupling strength is attributed to oxygen inhibition during interval time. The exposure of the adhesive surface to the air allows oxygen to diffuse into and react with active the free radicals that remain from the initial curing, which inhibits further polymerization and generates a thin, incompletely cured weak boundary layer. These findings provide insights for optimizing stage-wise curing processes and improving the reliability of coupled imaging devices.<\/jats:p>","DOI":"10.3390\/ma19081562","type":"journal-article","created":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T10:29:08Z","timestamp":1776162548000},"page":"1562","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Stage-Wise Curing for Improving the Bonding Strength of Imaging Coupling Devices"],"prefix":"10.3390","volume":"19","author":[{"given":"Yuwen","family":"Xing","sequence":"first","affiliation":[{"name":"Institute of Special Glass Fiber, China Building Materials Academy, Beijing 100024, China"},{"name":"Key Laboratory of Special Optoelectronic Glass in Building Materials Industry, China Building Materials Academy, Beijing 100024, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yajie","family":"Du","sequence":"additional","affiliation":[{"name":"Institute of Special Glass Fiber, China Building Materials Academy, Beijing 100024, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miao","family":"Chu","sequence":"additional","affiliation":[{"name":"Institute of Special Glass Fiber, China Building Materials Academy, Beijing 100024, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7357-6850","authenticated-orcid":false,"given":"Peng","family":"Jiao","sequence":"additional","affiliation":[{"name":"Institute of Special Glass Fiber, China Building Materials Academy, Beijing 100024, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yang","family":"Fu","sequence":"additional","affiliation":[{"name":"Institute of Special Glass Fiber, China Building Materials Academy, Beijing 100024, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1472-5005","authenticated-orcid":false,"given":"Zeping","family":"Sun","sequence":"additional","affiliation":[{"name":"Institute of Special Glass Fiber, China Building Materials Academy, Beijing 100024, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miao","family":"Dong","sequence":"additional","affiliation":[{"name":"Institute of Special Glass Fiber, China Building Materials Academy, Beijing 100024, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0978-8714","authenticated-orcid":false,"given":"Yonggang","family":"Huang","sequence":"additional","affiliation":[{"name":"Institute of Special Glass Fiber, China Building Materials Academy, Beijing 100024, China"},{"name":"Key Laboratory of Special Optoelectronic Glass in Building Materials Industry, China Building Materials Academy, Beijing 100024, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3512","DOI":"10.1039\/c0an00926a","article-title":"Wide-field lensless fluorescent microscopy using a tapered fiber-optic faceplate on a chip","volume":"136","author":"Coskun","year":"2011","journal-title":"Analyst"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1916","DOI":"10.1364\/OL.423437","article-title":"Wide-field-of-view optical detectors using fused fiber-optic tapers","volume":"46","author":"Alkhazragi","year":"2021","journal-title":"Opt. Lett."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"185393","DOI":"10.1109\/ACCESS.2019.2960259","article-title":"Calibration of imaging sensor and fiber optic taper-caused distortion in an X-ray intensified CMOS camera","volume":"7","author":"Liu","year":"2019","journal-title":"IEEE Access"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"141105","DOI":"10.1063\/1.2431719","article-title":"Optical fiber taper coupling and high-resolution wavelength tuning of microdisk resonators at cryogenic temperatures","volume":"90","author":"Srinivasan","year":"2007","journal-title":"Appl. Phys. Lett."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"1809","DOI":"10.1364\/OE.26.001809","article-title":"Unlocking high spatial resolution in neutron imaging through an add-on fibre optics taper","volume":"26","author":"Morgano","year":"2018","journal-title":"Opt. Express"},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"053105","DOI":"10.1117\/1.OE.59.5.053105","article-title":"Detection of blemish for fiber-optic imaging elements","volume":"59","author":"Jiao","year":"2020","journal-title":"Opt. Eng."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"1947","DOI":"10.1364\/AO.447447","article-title":"Formation mechanism of blemishes in a fiber-optic imaging element","volume":"61","author":"Jiao","year":"2022","journal-title":"Appl. Opt."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"103219","DOI":"10.1016\/j.yofte.2022.103219","article-title":"Influencing mechanism of fiber deformation on mesh pattern noise in inverting-image fiber-optic arrays","volume":"76","author":"Jiao","year":"2023","journal-title":"Opt. Fiber Technol."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"415","DOI":"10.1107\/S1600576716000431","article-title":"Taking a look at the calibration of a CCD detector with a fiber-optic taper","volume":"49","author":"Alkire","year":"2016","journal-title":"J. Appl. Crystallogr."},{"key":"ref_10","first-page":"1235","article-title":"Charge-coupled-device fiber optic taper array X-ray detector for protein crystallography","volume":"3019","author":"Naday","year":"1997","journal-title":"Electronic Imaging Proceedings of SPIE-The International Society for Optical Engineering"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1107\/S0909049510044523","article-title":"Comparison of lens- and fiber-coupled CCD detectors for X-ray computed tomography","volume":"18","author":"Uesugi","year":"2010","journal-title":"J. Synchrotron Radiat."},{"key":"ref_12","first-page":"90","article-title":"Arrayed lensed fibers collectively fabricated utilizing UV-curable fluorinated polymer","volume":"23","author":"Kim","year":"2003","journal-title":"Acta Opt. Sin."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"5505","DOI":"10.1364\/OE.21.005505","article-title":"UV-curable liquid-core fiber lenses with controllable focal length","volume":"21","author":"Bai","year":"2013","journal-title":"Opt. Express"},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"37520","DOI":"10.1039\/D5TA06416C","article-title":"Ultrahigh moisture electric output of oxidation-controlled and ion-intercalated graphene oxide films in the low humidity range","volume":"13","author":"Takafumi","year":"2025","journal-title":"J. Mater. Chem. A"},{"key":"ref_15","first-page":"18","article-title":"Investigating the Mechanical and Thermal Properties of PDMS-Toughened Epoxy Resins for Advanced Adhesive Solutions","volume":"12","author":"Singh","year":"2024","journal-title":"J. Mater. Sci. Chem. Eng."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"251","DOI":"10.1080\/00218469108041012","article-title":"UV-curable adhesives for optical communications","volume":"35","author":"Murata","year":"1991","journal-title":"J. Adhes."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"2499","DOI":"10.1109\/LPT.2004.834907","article-title":"Achievement of large spot size and long collimation length using UV curable self-assembled polymer lens on a beam expanding core-less silica fiber","volume":"16","author":"Kim","year":"2004","journal-title":"IEEE Photon-Technol. Lett."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"1100","DOI":"10.1109\/LPT.2003.815321","article-title":"Refractive microlens on fiber using UV-curable fluorinated acrylate polymer by surface-tension","volume":"15","author":"Kim","year":"2003","journal-title":"IEEE Photon-Technol. Lett."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"324","DOI":"10.1002\/macp.201100485","article-title":"VUV-Induced Photopolymerization of Acrylates","volume":"213","author":"Scherzer","year":"2011","journal-title":"Macromol. Chem. Phys."},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"92","DOI":"10.1016\/S0300-9440(03)00120-6","article-title":"Overcoming oxygen inhibition in UV-curing of acrylate coatings by carbon dioxide inerting, Part I","volume":"48","author":"Studer","year":"2003","journal-title":"Prog. Org. Coat."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"3300","DOI":"10.1016\/j.polymer.2005.02.085","article-title":"High throughput kinetic analysis of photopolymer conversion using composition and exposure time gradients","volume":"46","author":"Johnson","year":"2005","journal-title":"Polymer"},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"1195","DOI":"10.1038\/s41428-021-00520-z","article-title":"Exploring the advantages of oxygen-tolerant thiol-ene polymerization over conventional acrylate free radical photopolymerization processes for pressure-sensitive adhesives","volume":"53","author":"Llorente","year":"2021","journal-title":"Polym. J."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"113582","DOI":"10.1016\/j.eurpolymj.2024.113582","article-title":"Preparation of free radical\/cationic hybrid UV-cured silicone materials with reducing oxygen inhibition via silyl radicals","volume":"221","author":"Li","year":"2024","journal-title":"Eur. Polym. J."}],"container-title":["Materials"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1996-1944\/19\/8\/1562\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T04:15:02Z","timestamp":1776312902000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1996-1944\/19\/8\/1562"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4,14]]},"references-count":23,"journal-issue":{"issue":"8","published-online":{"date-parts":[[2026,4]]}},"alternative-id":["ma19081562"],"URL":"https:\/\/doi.org\/10.3390\/ma19081562","relation":{},"ISSN":["1996-1944"],"issn-type":[{"value":"1996-1944","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,4,14]]}}}