{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T09:29:29Z","timestamp":1785403769529,"version":"3.56.0"},"reference-count":48,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T00:00:00Z","timestamp":1777939200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"F.N.R.S.","award":["T.0049.20 INFUSE"],"award-info":[{"award-number":["T.0049.20 INFUSE"]}]},{"name":"F.N.R.S.","award":["U.G025.19F"],"award-info":[{"award-number":["U.G025.19F"]}]},{"DOI":"10.13039\/501100008367","name":"ULB","doi-asserted-by":"publisher","award":["FER"],"award-info":[{"award-number":["FER"]}],"id":[{"id":"10.13039\/501100008367","id-type":"DOI","asserted-by":"publisher"}]},{"award":["FER"],"award-info":[{"award-number":["FER"]}],"id":[{"id":"https:\/\/ror.org\/01r9htc13","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Micromachines"],"abstract":"<jats:p>This paper presents a force sensor made of a compliant glass mechanism instrumented with a waveguide and a Bragg grating, measuring the reflected wavelength shift produced by the strain in the compliant element generated by the applied force. The compliant element geometry and material have been chosen for the sensor to be spliced or manufactured at the extremity of an optical fiber, enabling possible insertion of the instrument in the bronchial tree after embedding in a proper catheter. The context of this research is the mechanical discrimination between healthy and cancerous lung tissues based on their mechanical signature. The paper proposes a comprehensive study including the mechanical design of the structure and the optimization of the production parameters, thanks to an experimental parametric study. After experimental characterization of the mechanism stiffness, the optical response to a mechanical force is reproduced with two different samples on two different days (more than 25 repetitions). The conclusion is that a fair linear and repeatable response is observed (\u00b126 mN) for forces ranging from 0 to 250 mN.<\/jats:p>","DOI":"10.3390\/mi17050572","type":"journal-article","created":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T10:01:30Z","timestamp":1777975290000},"page":"572","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Compliant Glass Mechanism Instrumented with a Bragg Grating to Measure Indentation Force"],"prefix":"10.3390","volume":"17","author":[{"given":"Manon","family":"Marchandise","sequence":"first","affiliation":[{"name":"TIPs Department (CP 165\/67), Brussels School of Engineering, Solbosch Campus, Universit\u00e9 Libre de Bruxelles, Avenue F.D. Roosevelt 50, B-1050 Brussels, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adam","family":"Chafai","sequence":"additional","affiliation":[{"name":"TIPs Department (CP 165\/67), Brussels School of Engineering, Solbosch Campus, Universit\u00e9 Libre de Bruxelles, Avenue F.D. Roosevelt 50, B-1050 Brussels, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christophe","family":"Caucheteur","sequence":"additional","affiliation":[{"name":"Service d\u2019Electromagn\u00e9tisme et T\u00e9l\u00e9communications, Polytech Mons, B\u00e2timent Dolez, Universit\u00e9 de Mons, Boulevard Dolez 31, B-7000 Mons, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7604-0584","authenticated-orcid":false,"given":"Pierre","family":"Lambert","sequence":"additional","affiliation":[{"name":"TIPs Department (CP 165\/67), Brussels School of Engineering, Solbosch Campus, Universit\u00e9 Libre de Bruxelles, Avenue F.D. 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