Optical fiber lossy-mode resonance sensors with doped tin oxides for optical working electrode monitoring in electrochemical systems

Dariusz Burnat , Marta Janczuk-Richter , Paweł Niedziałkowski , Wioleta Białobrzeska , Petr Sezemsky , Marcin Koba , Vitezslav Stranak , Robert Bogdanowicz , Tadeusz Ossowski , Joanna Niedziółka-Jönsson , Mateusz Jakub Śmietana


This work discusses optical fiber sensors based on lossy-mode resonance (LMR) effect and their potential for simultaneous sensing in multiple domains, i.e., optical and electrochemical. As electrically conductive materials able to guide lossy modes, two doped tin oxides, i.e., fluorine doped tin oxide (FTO) and indium tin oxide (ITO) thin films were employed. Since the ITO-LMR sensor has already been discussed broader, this work focuses on properties of the FTO-LMR sensor and brief comparison of devices based on the two materials. In optical domain the sensitivity to surrounding medium refractive index was determined by immersing the sensors in solutions of different refractive index. Both the sensors showed sensitivity of 300 nm/RIU in a refractive index range of approx. 1.33-1.39 RIU. Electrochemical measurements were performed in 0.01 M phosphate-buffered saline (PBS, pH 7.0) to identify the influence of the applied potential on the optical response of both sensors. In applied potential from -1.0 V to 1.0 V the FTO-LMR sensor reached LMR shift of 31.3 nm compared to 23.8 nm of the ITO-LMR one.
Author Dariusz Burnat (FEIT / MO)
Dariusz Burnat,,
- The Institute of Microelectronics and Optoelectronics
, Marta Janczuk-Richter - Institute of Physical Chemistry Polish Academy of Sciences (IChF PAN) [Polish Academy of Sciences (PAN)]
Marta Janczuk-Richter,,
, Paweł Niedziałkowski
Paweł Niedziałkowski,,
, Wioleta Białobrzeska
Wioleta Białobrzeska,,
, Petr Sezemsky
Petr Sezemsky,,
, Marcin Koba
Marcin Koba,,
, Vitezslav Stranak
Vitezslav Stranak,,
, Robert Bogdanowicz - Gdańsk University of Technology (PG)
Robert Bogdanowicz,,
, Tadeusz Ossowski
Tadeusz Ossowski,,
, Joanna Niedziółka-Jönsson
Joanna Niedziółka-Jönsson,,
et al.`
Publication size in sheets0.5
Article number111991O
Book Kalli Kyriacos, Brambilla Gilberto, O'Keeffe Sinéad (eds.): Seventh European Workshop on Optical Fibre Sensors, no. 11199, 2019, SPIE - The International Society for Optics and Photonics, ISBN 9781510631236, 500 p., DOI:10.1117/12.2550861
1119901.pdf / 457.64 KB / No licence information
Keywords in EnglishSensors; Transparent conductors; Electrodes; Oxides; Thin films; Refractive index; Optical fibers
URL https://www.spiedigitallibrary.org/conference-proceedings-of-spie/11199/111991O/Optical-fiber-lossy-mode-resonance-sensors-with-doped-tin-oxides/10.1117/12.2541354.full?SSO=1
Projectx. Project leader: Śmietana Mateusz Jakub, , Phone: (22) 234 63 64, start date 20-05-2015, planned end date 19-05-2019, IMiO/2015/NCN/2, Implemented
WEiTI Projects financed by NSC [Projekty finansowane przez NCN]
DIAMSEC-ultra-sensitive sensory platform for rapid detection of epidemiological and pandemic threats. Project leader: Śmietana Mateusz Jakub, , Phone: (22) 234 63 64, application date 04-11-2016, start date 01-06-2017, planned end date 31-05-2020, MO/2016/7, Implemented
WEiTI Projects financed by NCRD [Projekty finansowane przez NCBiR (NCBR)]
Languageen angielski
Score (nominal)0
Score sourceconferenceList
ScoreMinisterial score = 0.0, 22-06-2020, ChapterFromConference
Publication indicators WoS Citations = 0; GS Citations = 1.0; Scopus Citations = 1
Citation count*1 (2020-09-22)
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