TY - JOUR
T1 - Multi-fiber distributed thermal profiling of minimally invasive thermal ablation with scattering-level multiplexing in MgO-doped fibers
AU - Beisenova, Aidana
AU - Issatayeva, Aizhan
AU - Sovetov, Sultan
AU - Korganbayev, Sanzhar
AU - Jelbuldina, Madina
AU - Ashikbaeva, Zhannat
AU - Blanc, Wilfried
AU - Schena, Emiliano
AU - Sales, Salvador
AU - Molardi, Carlo
AU - Tosi, Daniele
N1 - Funding Information:
ORAU program at Nazarbayev University (LIFESTART 2017-2019, FOSTHER 2018-2020); ANR project Nice-DREAM (ANR-14-CE07-0016-03); Spanish Ministry of Economy and Competitiveness (DIMENSION TEC2017 88029-R).
Funding Information:
ORAU program at Nazarbayev University (LIFESTART 2017-2019, FOSTHER 2018-2020); ANR project Nice-DREAM (ANR-14-CE07-0016-03); Spanish Ministry of Economy and Competitiveness (DIMENSION TEC2017 88029-R).The authors acknowledge S. Trzesien and M. Ude (INPHYNI, Nice, France) for the fabrication of the fiber. The research has been supported by ORAU program at Nazarbayev University (grants LIFESTART 2017-2019 and FOSTHER2018-2020), by ANR project Nice-DREAM (grant ANR-14-CE07-0016-03), and by project DIMENSION TEC2017 88029-R funded by the Spanish Ministry of Economy and Competitiveness. This work was partly supported by the SIRASI project-Sistema Robotico a supporto della Riabilitazione di Arto Superiore e Inferiore (Bando INTESE-CUP: F86D15000050002).
Funding Information:
The research has been supported by ORAU program at Nazarbayev University (grants LIFESTART 2017-2019 and FOSTHER2018-2020), by ANR project Nice-DREAM (grant ANR-14-CE07-0016-03), and by project DIMENSION TEC2017 88029-R funded by the Spanish Ministry of Economy and Competitiveness. This work was partly supported by the SIRASI project - Sistema Robotico a supporto della Riabilitazione di Arto Superiore e Inferiore (Bando INTESE - CUP: F86D15000050002).
Publisher Copyright:
© 2019 Optical Society of America.
PY - 2019/3/1
Y1 - 2019/3/1
N2 - 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. The setup is based on optical backscatter reflectometry (OBR) applied to optical fibers having backscattered power significantly larger than standard fibers (36.5 dB), obtained through MgO doping. The setup is based on a scattering-level multiplexing, which allows interrogating all the sensing fibers simultaneously, thanks to the fact that the backscattered power can be unambiguously associated to each fiber. The setup has been validated for the planar measurement of temperature profiles in ex vivo radiofrequency ablation, obtaining the measurement of temperature over a surface of 96 total points (4 fibers, 8 sensing points per cm 2 ). The spatial resolution obtained for the planar measurement allows extending distributed sensing to surface, or even three-dimensional, geometries performing temperature sensing in the tissue with millimeter resolution in multiple dimensions.
AB - 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. The setup is based on optical backscatter reflectometry (OBR) applied to optical fibers having backscattered power significantly larger than standard fibers (36.5 dB), obtained through MgO doping. The setup is based on a scattering-level multiplexing, which allows interrogating all the sensing fibers simultaneously, thanks to the fact that the backscattered power can be unambiguously associated to each fiber. The setup has been validated for the planar measurement of temperature profiles in ex vivo radiofrequency ablation, obtaining the measurement of temperature over a surface of 96 total points (4 fibers, 8 sensing points per cm 2 ). The spatial resolution obtained for the planar measurement allows extending distributed sensing to surface, or even three-dimensional, geometries performing temperature sensing in the tissue with millimeter resolution in multiple dimensions.
UR - http://www.scopus.com/inward/record.url?scp=85063883489&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85063883489&partnerID=8YFLogxK
U2 - 10.1364/BOE.10.001282
DO - 10.1364/BOE.10.001282
M3 - Article
AN - SCOPUS:85063883489
SN - 2156-7085
VL - 10
SP - 1282
EP - 1296
JO - Biomedical Optics Express
JF - Biomedical Optics Express
IS - 3
M1 - #346894
ER -