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- W4381894767 abstract "This article addresses to the design and development of a precision fiber optical sensor of acceleration using pulse modulation of optical flow intensity. The accelerometer proposed in this article can theoretically reach a threshold sensitivity better than <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$10^{-{10}}$ </tex-math></inline-formula> g ( <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$sim 10^{-{9}}$ </tex-math></inline-formula> m/ <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$text{s}^{{2}}{)}$ </tex-math></inline-formula> for acceleration near <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>${g}$ </tex-math></inline-formula> and <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$10^{-{13}}$ </tex-math></inline-formula> g ( <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$sim 10^{-{12}}$ </tex-math></inline-formula> m/ <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$text{s}^{{2}}{)}$ </tex-math></inline-formula> for ultralow acceleration. In addition to the high resolution, it is possible to adjust the frequency of acceleration measurement by changing the parameters of the sensor, which allows the device to be applied to specific tasks. In our experiment, we assessed the changes in acceleration constrained by seismic noise. As a result, the noise levels were measured on the order of <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$10^{-{6}}$ </tex-math></inline-formula> g for the vertical component and <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$10^{-{7}}$ </tex-math></inline-formula> g for the lateral components. Furthermore, the minimum detectable acceleration changes were observed at levels of <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$10^{-{7}}$ </tex-math></inline-formula> g for the vertical component and <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$5times 10^{-{8}}$ </tex-math></inline-formula> g for the lateral components. The proposed acceleration sensor has several advantages compared to current developments, such as immunity to external electromagnetic fields and measurement of time instead of measuring optical force to determine acceleration. Moreover, theoretically, the relative error level is comparable to the advanced developments in the field of acceleration measurement, while the mass and size characteristics of the proposed sensor are superior to conventional measuring instruments." @default.
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- W4381894767 date "2023-08-15" @default.
- W4381894767 modified "2023-09-30" @default.
- W4381894767 title "High-Sensitive Fiber Optical Accelerometer With Pulse Modulation of Optical Flow Intensity" @default.
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- W4381894767 doi "https://doi.org/10.1109/jsen.2023.3287165" @default.
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