Enhanced Force Sensing Utilizing a Glass-Supported WGM Microbubble Resonator

Yiming Shen; Zhe Wang; Anand V. R.; Zhuochen Wang; Rayhan Habib Jibon; Anuradha Rout; Bo Cai; Qiang Wu; Yuliya Semenova

doi:10.1109/jlt.2025.3556857

Enhanced Force Sensing Utilizing a Glass-Supported WGM Microbubble Resonator

Yiming Shen^*, Zhe Wang, Anand V. R., Zhuochen Wang, Rayhan Habib Jibon, Anuradha Rout, Bo Cai, Qiang Wu, Yuliya Semenova

^*Corresponding author for this work

Mathematics, Physics and Electrical Engineering

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Abstract

Mechanical force sensors are critical for a wide range of advanced applications. This paper presents a high-performance whispering gallery mode (WGM) force sensor based on a glass-supported microbubble resonator (MBR). By incorporating the proposed glass support design, the proposed sensor achieves the highest force sensitivity reported for MBR-based structures, of 125.71 pm/mN and a detection limit of 52.26 μN. The sensor has a response time of 3.5 ms, enabling rapid detection of dynamic force changes. Further tests show that the sensor is capable of detecting subtle forces, such as those created by water droplets and a gentle breeze, paving the way for potential applications in health monitoring, vibration detection, and other dynamic force-sensing scenarios.

Original language	English
Pages (from-to)	5989-5995
Number of pages	7
Journal	Journal of Lightwave Technology
Volume	43
Issue number	12
Early online date	1 Apr 2025
DOIs	https://doi.org/10.1109/jlt.2025.3556857
Publication status	Published - 15 Jun 2025

Keywords

Force sensor
microbubble resonator
optical fiber sensor
whispering gallery modes

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Enhanced_Force_Sensing_Utilizing_a_Glass-Supported_WGM_Microbubble_ResonatorAccepted author manuscript, 1.21 MBLicence: CC BY
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Cite this

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abstract = "Mechanical force sensors are critical for a wide range of advanced applications. This paper presents a high-performance whispering gallery mode (WGM) force sensor based on a glass-supported microbubble resonator (MBR). By incorporating the proposed glass support design, the proposed sensor achieves the highest force sensitivity reported for MBR-based structures, of 125.71 pm/mN and a detection limit of 52.26 μN. The sensor has a response time of 3.5 ms, enabling rapid detection of dynamic force changes. Further tests show that the sensor is capable of detecting subtle forces, such as those created by water droplets and a gentle breeze, paving the way for potential applications in health monitoring, vibration detection, and other dynamic force-sensing scenarios.",

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AU - Jibon, Rayhan Habib

AU - Rout, Anuradha

AU - Cai, Bo

AU - Wu, Qiang

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Enhanced Force Sensing Utilizing a Glass-Supported WGM Microbubble Resonator

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Keywords

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