Optical Fiber Sensors Based on Lossy Mode Resonances

Hernáez, Miguel; Zamarreño, Carlos R.; Villar, Ignacio Del; Arregui, Francisco J.; Matı́as, Ignacio R.

doi:10.1007/978-3-642-32180-1_12

Cited by 3 publications

(1 citation statement)

References 63 publications

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“…TFBGs possess the same sensing principle with more complex spectral behaviour because of the permitted coupling between modes of dissimilar azimuthal symmetry (Figure 3.2) [152][153][154][155][156][157][158][159][160][161]. In other words, with the presence of the inclination angle between the grating plane and the fiber cross-section, cladding mode resonances are observed alongside the Bragg guided mode in the transmission spectrum of the TFBGs:…”

Section: 1 Sensing Principle Of Tfbgsmentioning

confidence: 99%

Tilted Fiber Bragg Grating Active Heater for Controlled and Localised Hyperthermia

Alqarni¹

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We present data from localized heat inducement studies at both cellular and tissue levels along with a computational model built to predict the temperature increase and damage extent in tissues receiving hyperthermia treatment by a fiber-based active heater. This novel fiber-based active heater serves as a heat source and a temperature sensor. Five important insights are highlighted from this thesis work.First, heat-induced controlled cell deaths were observed experimentally in the three cell lines with MCF-10A being more susceptible to heat compared to HEK 293 and MCF7 cells. Second, comparison between the phantom tissue and ex vivo experimental and computational results shows a lesion size of 5×12 mm and 4.87×11.6 mm in the phantom tissue and 7×15 mm and 8.8×14.3 mm in the ex vivo studies at pumping power of 1.8 W for 10 minutes respectively. Thus, this computational model is able to provide information about the heat transfer characteristics caused by the active heater in living biological tissue.

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