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Highly Sensitive Gr...
Highly Sensitive Graphene Oxide-based Fabry-Perot Low-frequency Acoustic Sensor With Low-coherence Polarized Demodulation Using Three-step Phase-Shifting Arctan Algorithms
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- Chen, Anqi (författare)
- Tianjin University
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- Wang, Shuang (författare)
- Tianjin University
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- Hou, Lili (författare)
- Tianjin University
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- Li, Zhiyuan (författare)
- Tianjin University
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- Li, Xueping (författare)
- Tianjin University
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- Yang, Haokun (författare)
- Tianjin University
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- Li, Tianyu (författare)
- Tianjin University
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- Du, Xiaona (författare)
- Nankai University
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- Jiang, Junfeng (författare)
- Tianjin University
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- Liu, Kun (författare)
- Tianjin University
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- Zhang, Xiaoyan, 1982 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Liu, Tiegen (författare)
- Tianjin University
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(creator_code:org_t)
- 2024
- 2024
- Engelska.
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Ingår i: Journal of Lightwave Technology. - 0733-8724 .- 1558-2213. ; 42:17, s. 6115-6123
- Relaterad länk:
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- Developing low-frequency acoustic senor with high sensitivity is crucial for diverse applications, ranging from seismic monitoring, military operations, to pipeline surveillance. Here, we have proposed a high-sensitivity graphene oxide (GO)-based Fabry-Perot low-frequency sensor, in which a 170 nm thick, large-area and uniformly GO film was prepared by a vacuum filtration method. To enhance the accuracy and stability of the sensor, a low-coherence interference system based on birefringent crystal blocks was designed utilizing a three-step phase-shifting arctangent algorithm. Our sensor exhibited a sensitivity of -93.48 dB re 1 rad/μPa at 6-60 Hz with a fluctuation of 0.6 dB. The minimum detectable pressure of the sensor was measured at 0.37 μPa/Hz1/2 @20 Hz with a signal to noise ratio of 135.41 dB. Overall, this sensor offers simplicity in preparation, high sensitivity, low detectable sound pressure, making it a significant asset for low-frequency acoustic applications.
Ämnesord
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Nyckelord
- Graphene Oxide (GO)
- Arctan Algorithms
- Fabry-Perot
- Vibrations
- Demodulation
- Resonant frequency
- Acoustics
- Optical fiber sensors
- Low-frequency acoustic sensor
- Low-coherence Polarized Demodulation
- Sensitivity
- Deformation
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Till lärosätets databas
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Chen, Anqi
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Wang, Shuang
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Hou, Lili
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Li, Zhiyuan
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Li, Xueping
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Yang, Haokun
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visa fler...
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Li, Tianyu
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Du, Xiaona
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Jiang, Junfeng
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Liu, Kun
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Zhang, Xiaoyan, ...
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Liu, Tiegen
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Annan fysik
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Journal of Light ...
- Av lärosätet
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Chalmers tekniska högskola