Al2O3 microresonators for passive and active sensing applications

Michiel de Goede; Lantian Chang; Meindert Dijkstra; Raquel Obregón; Javier Ramón-Azcón; Elena Martínez; Laura Padilla; Jaume Adan; Francesc Mitjans; Sonia M. García-Blanco

doi:10.1364/SENSORS.2018.SeTu4E.1

Al2O3 microresonators for passive and active sensing applications

Michiel de Goede^*, Lantian Chang, Meindert Dijkstra, Raquel Obregón, Javier Ramón-Azcón, Elena Martínez, Laura Padilla, Jaume Adan, Francesc Mitjans, Sonia M. García-Blanco

^*Corresponding author for this work

Optical Sciences

Research output: Chapter in Book/Report/Conference proceeding › Chapter › Academic › peer-review

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Abstract

The Al2O3 waveguide technology was explored for sensing applications. Passive microring resonators with a quality factor in air of 3.2×105 were developed with a bulk refractive index sensitivity of ~100 nm/RIU and limit of detection of ~10-6 RIU. These were functionalized to detect the biomarker rhS100A4 from urine down to concentrations of 3 nM. Furthermore, Al2O3:Yb3+ microdisk lasers were realized that exhibited single mode lasing operation in water. Their lasing wavelength was tuned by varying the bulk refractive index and a bulk refractive index sensitivity of ~20 nm/RIU with a LOD of ~3×10-6 was achieved.

Original language	English
Title of host publication	Optical Sensors, Sensors 2018
Publisher	Optical Society of America
Pages	SeTu4E.1
Volume	Part F110-Sensors 2018
ISBN (Electronic)	9781557528209
ISBN (Print)	978-1-943580-43-9
DOIs	https://doi.org/10.1364/SENSORS.2018.SeTu4E.1
Publication status	Published - 1 Jan 2018
Event	Optical Sensors 2018 - Zurich, Switzerland Duration: 2 Jul 2018 → 5 Jul 2018

Conference

Conference	Optical Sensors 2018
Country/Territory	Switzerland
City	Zurich
Period	2/07/18 → 5/07/18

Keywords

Diode pumped lasers
Distributed feedback lasers
Microdisk lasers
Optical pumping
Refractive index
Sensor performance

Access to Document

10.1364/SENSORS.2018.SeTu4E.1

ArticleFinal published version, 841 KB

Cite this

de Goede, M., Chang, L., Dijkstra, M., Obregón, R., Ramón-Azcón, J., Martínez, E., Padilla, L., Adan, J., Mitjans, F., & García-Blanco, S. M. (2018). Al2O3 microresonators for passive and active sensing applications. In Optical Sensors, Sensors 2018 (Vol. Part F110-Sensors 2018, pp. SeTu4E.1). Article SeTu4E.1 Optical Society of America. https://doi.org/10.1364/SENSORS.2018.SeTu4E.1

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abstract = "The Al2O3 waveguide technology was explored for sensing applications. Passive microring resonators with a quality factor in air of 3.2×105 were developed with a bulk refractive index sensitivity of ~100 nm/RIU and limit of detection of ~10-6 RIU. These were functionalized to detect the biomarker rhS100A4 from urine down to concentrations of 3 nM. Furthermore, Al2O3:Yb3+ microdisk lasers were realized that exhibited single mode lasing operation in water. Their lasing wavelength was tuned by varying the bulk refractive index and a bulk refractive index sensitivity of ~20 nm/RIU with a LOD of ~3×10-6 was achieved.",

keywords = "Diode pumped lasers, Distributed feedback lasers, Microdisk lasers, Optical pumping, Refractive index, Sensor performance",

author = "{de Goede}, Michiel and Lantian Chang and Meindert Dijkstra and Raquel Obreg{\'o}n and Javier Ram{\'o}n-Azc{\'o}n and Elena Mart{\'i}nez and Laura Padilla and Jaume Adan and Francesc Mitjans and Garc{\'i}a-Blanco, {Sonia M.}",

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de Goede, M, Chang, L , Dijkstra, M, Obregón, R, Ramón-Azcón, J, Martínez, E, Padilla, L, Adan, J, Mitjans, F & García-Blanco, SM 2018, Al2O3 microresonators for passive and active sensing applications. in Optical Sensors, Sensors 2018. vol. Part F110-Sensors 2018, SeTu4E.1, Optical Society of America, pp. SeTu4E.1, Optical Sensors 2018, Zurich, Switzerland, 2/07/18. https://doi.org/10.1364/SENSORS.2018.SeTu4E.1

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AU - de Goede, Michiel

AU - Chang, Lantian

AU - Dijkstra, Meindert

AU - Obregón, Raquel

AU - Ramón-Azcón, Javier

AU - Martínez, Elena

AU - Padilla, Laura

AU - Adan, Jaume

AU - Mitjans, Francesc

AU - García-Blanco, Sonia M.

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KW - Distributed feedback lasers

KW - Microdisk lasers

KW - Optical pumping

KW - Refractive index

KW - Sensor performance

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