Browsing Articles by Author "fb77d533-6fea-4f38-9dcd-5a8d7a0f61ed"

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Linearly chirped fiber Bragg grating response to thermal gradient: from bench tests to the real-time assessment during in vivo laser ablations of biological tissue

Saccomandi, Paola; Varalda, Ambra; Gassino, Riccardo; Tosi, Daniele; Massaroni, Carlo; Caponero, Michele Arturo; Pop, Raoul; Korganbayev, Sanzhar; Perrone, Guido; Diana, Michele; Vallan, Alberto; Costamagna, Guido; Marescaux, Jacques; Schena, Emiliano (Society of Photo-optical Instrumentation Engineers (SPIE), 2017-09)

The response of a fiber optic sensor [linearly chirped fiber Bragg grating (LCFBG)] to a linear thermal gradient applied on its sensing length (i.e., 1.5 cm) has been investigated. After these bench tests, we assessed their ...
Multi-fiber distributed thermal profiling of minimally invasive thermal ablation with scattering-level multiplexing in MgO-doped fibers

Beisenova, Aidana; Issatayeva, Aizhan; Sovetov, Sultan; Korganbayev, Sanzhar; Jelbuldina, Madina; Ashikbayeva, Zhannat; Blanc, Wilfried; Schena, Emiliano; Sales, Salvador; Molardi, Carlo; Tosi, Daniele (OSA Publishing, 2019)

We propose a setup for multiplexed distributed optical fiber sensors capable of resolving temperature distribution in thermo-therapies, with a spatial resolution of 2.5 mm over multiple fibers interrogated simultaneously. ...