Design of optical waveguide channels for 3D distributed tactile sensing

Federica De Chiara; Jian Hu; Stephen Wang; Rong Wang; Hongbin Liu

doi:10.1109/SENSORS47087.2021.9639611

Design of optical waveguide channels for 3D distributed tactile sensing

Federica De Chiara, Jian Hu, Stephen Wang, Rong Wang, Hongbin Liu

Huawei Technologies RD UK Ltd

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

High-spatial density tactile arrays equipped on 3D surfaces are highly desirable in various applications. However, current tactile sensing solutions lack the ability to provide high density tactile sensing on a 3D surface and, at same time, satisfying the need of simple manufacturing and low cost. To deal with these challenges, this paper proposes a sensor array based on the light transmission through polymer waveguide branches fabricated on a rigid substrate. Materials and manufacturing methods were selected to maximize the light transmission of the device. The characteristic channel structure made by several splitters connected in cascade allows the light to be transmitted from a single input channel to eight output channels, corresponding to eight independent sensing elements with similar force response. Simulation and experimental results are presented to validate the presented sensing principle.

Original language	English
Journal	Proceedings of IEEE Sensors
Volume	2021-October
DOIs	https://doi.org/10.1109/SENSORS47087.2021.9639611
Publication status	Published - 1 Jan 2021

Keywords

array sensors
fiber optic sensors
Force and tactile sensing
optical sensors
polymer-based waveguides

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10.1109/SENSORS47087.2021.9639611

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title = "Design of optical waveguide channels for 3D distributed tactile sensing",

abstract = "High-spatial density tactile arrays equipped on 3D surfaces are highly desirable in various applications. However, current tactile sensing solutions lack the ability to provide high density tactile sensing on a 3D surface and, at same time, satisfying the need of simple manufacturing and low cost. To deal with these challenges, this paper proposes a sensor array based on the light transmission through polymer waveguide branches fabricated on a rigid substrate. Materials and manufacturing methods were selected to maximize the light transmission of the device. The characteristic channel structure made by several splitters connected in cascade allows the light to be transmitted from a single input channel to eight output channels, corresponding to eight independent sensing elements with similar force response. Simulation and experimental results are presented to validate the presented sensing principle.",

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AU - Hu, Jian

AU - Wang, Stephen

AU - Wang, Rong

AU - Liu, Hongbin

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N2 - High-spatial density tactile arrays equipped on 3D surfaces are highly desirable in various applications. However, current tactile sensing solutions lack the ability to provide high density tactile sensing on a 3D surface and, at same time, satisfying the need of simple manufacturing and low cost. To deal with these challenges, this paper proposes a sensor array based on the light transmission through polymer waveguide branches fabricated on a rigid substrate. Materials and manufacturing methods were selected to maximize the light transmission of the device. The characteristic channel structure made by several splitters connected in cascade allows the light to be transmitted from a single input channel to eight output channels, corresponding to eight independent sensing elements with similar force response. Simulation and experimental results are presented to validate the presented sensing principle.

AB - High-spatial density tactile arrays equipped on 3D surfaces are highly desirable in various applications. However, current tactile sensing solutions lack the ability to provide high density tactile sensing on a 3D surface and, at same time, satisfying the need of simple manufacturing and low cost. To deal with these challenges, this paper proposes a sensor array based on the light transmission through polymer waveguide branches fabricated on a rigid substrate. Materials and manufacturing methods were selected to maximize the light transmission of the device. The characteristic channel structure made by several splitters connected in cascade allows the light to be transmitted from a single input channel to eight output channels, corresponding to eight independent sensing elements with similar force response. Simulation and experimental results are presented to validate the presented sensing principle.

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Design of optical waveguide channels for 3D distributed tactile sensing

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