Embedded Fiber Bragg Grating (FBG) Sensors Fabricated by Ultrasonic Additive Manufacturing for High-Frequency Dynamic Strain Measurements

Jieru Zhao; Wen Dong; Thomas Hinds; Yuqi Li; Zach Splain; Shuda Zhong; Qirui Wang; Nikhil Bajaj; Albert To; Moinuddin Ahmed; Christian M. Petrie; Kevin P. Chen

doi:10.1109/JSEN.2023.3343604

Embedded Fiber Bragg Grating (FBG) Sensors Fabricated by Ultrasonic Additive Manufacturing for High-Frequency Dynamic Strain Measurements

Jieru Zhao, Wen Dong, Thomas Hinds, Yuqi Li, Zach Splain, Shuda Zhong, Qirui Wang, Nikhil Bajaj, Albert To, Moinuddin Ahmed, Christian M. Petrie, Kevin P. Chen

Advanced Fuel Fabrication and Instrument

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

4 Scopus citations

Abstract

This article demonstrates high-frequency dynamic strain measurements using fiber Bragg grating (FBG) sensors embedded in metal parts. Using an ultrasonic additive manufacturing (UAM) process, FBGs inscribed in polyimide coated optical fibers were embedded in aluminum parts. An electromagnetic shaker was used to exert dynamic events on the embedded FBG sensors with frequencies from 1 to 10 kHz. The high-speed interrogation of FBG sensors was accomplished using a tunable vertical-cavity surface-emitting laser (VCSEL) and a high-speed interrogation system sampling at 120 kHz. The strain response measured by the FBG sensors was compared with real-time measurements using a laser velocimeter. A finite-element analysis (FEA) was performed to simulate responses to both static strain and high-frequency dynamic strain. Results show that strains as small as 2.5 μ \varepsilon can be resolved at frequencies up to 10 kHz.

Original language	English
Pages (from-to)	2853-2862
Number of pages	10
Journal	IEEE Sensors Journal
Volume	24
Issue number	3
DOIs	https://doi.org/10.1109/JSEN.2023.3343604
State	Published - Feb 1 2024

Funding

This work was supported in part by the U.S. Department of Energy under Grant DE-NE0008994 and Grant DE-NE0008686.

Funders	Funder number
U.S. Department of Energy	DE-NE0008686, DE-NE0008994

Keywords

Dynamic strain measurement
embedded sensor
fiber Bragg grating (FBG)
optical device fabrication
optical fiber measurement applications
ultrasonic additive manufacturing (UAM)

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/JSEN.2023.3343604

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title = "Embedded Fiber Bragg Grating (FBG) Sensors Fabricated by Ultrasonic Additive Manufacturing for High-Frequency Dynamic Strain Measurements",

abstract = "This article demonstrates high-frequency dynamic strain measurements using fiber Bragg grating (FBG) sensors embedded in metal parts. Using an ultrasonic additive manufacturing (UAM) process, FBGs inscribed in polyimide coated optical fibers were embedded in aluminum parts. An electromagnetic shaker was used to exert dynamic events on the embedded FBG sensors with frequencies from 1 to 10 kHz. The high-speed interrogation of FBG sensors was accomplished using a tunable vertical-cavity surface-emitting laser (VCSEL) and a high-speed interrogation system sampling at 120 kHz. The strain response measured by the FBG sensors was compared with real-time measurements using a laser velocimeter. A finite-element analysis (FEA) was performed to simulate responses to both static strain and high-frequency dynamic strain. Results show that strains as small as 2.5 μ \varepsilon can be resolved at frequencies up to 10 kHz.",

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AU - Li, Yuqi

AU - Splain, Zach

AU - Zhong, Shuda

AU - Wang, Qirui

AU - Bajaj, Nikhil

AU - To, Albert

AU - Ahmed, Moinuddin

AU - Petrie, Christian M.

AU - Chen, Kevin P.

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AB - This article demonstrates high-frequency dynamic strain measurements using fiber Bragg grating (FBG) sensors embedded in metal parts. Using an ultrasonic additive manufacturing (UAM) process, FBGs inscribed in polyimide coated optical fibers were embedded in aluminum parts. An electromagnetic shaker was used to exert dynamic events on the embedded FBG sensors with frequencies from 1 to 10 kHz. The high-speed interrogation of FBG sensors was accomplished using a tunable vertical-cavity surface-emitting laser (VCSEL) and a high-speed interrogation system sampling at 120 kHz. The strain response measured by the FBG sensors was compared with real-time measurements using a laser velocimeter. A finite-element analysis (FEA) was performed to simulate responses to both static strain and high-frequency dynamic strain. Results show that strains as small as 2.5 μ \varepsilon can be resolved at frequencies up to 10 kHz.

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Embedded Fiber Bragg Grating (FBG) Sensors Fabricated by Ultrasonic Additive Manufacturing for High-Frequency Dynamic Strain Measurements

Abstract

Funding

Keywords

UN SDGs

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