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Article

8 Citations

5,915 Views

13 Pages

The Design and Optimization of a Compressive-Type Vector Sensor Utilizing a PMN-28PT Piezoelectric Single-Crystal

Hong Goo Yeo,
Junhee Choi,
Changzhu Jin,
Seonghun Pyo,
Yongrae Roh and
Hongsoo Choi

Sensors2019, 19(23), 5155;https://doi.org/10.3390/s19235155

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25 November 2019

Underwater sensors that detect the distance and direction of acoustic sources are critical for surveillance monitoring and target detection in the water. Here, we propose an axial vector sensor that utilizes a small (~1 cm3) compressive-type piezoele...

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Article

15 Citations

5,288 Views

14 Pages

Fabrication of Glass Diaphragm Based Fiber-Optic Microphone for Sensitive Detection of Airborne and Waterborne Sounds

Gaomi Wu,
Xinyu Hu,
Xin Liu,
Zhifei Dong,
Yan Yue,
Chen Cai and
Zhi-mei Qi

Sensors2022, 22(6), 2218;https://doi.org/10.3390/s22062218

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13 March 2022

A glass-diaphragm microphone was developed based on fiber-optic Fabry-Perot (FP) interferometry. The glass diaphragm was shaped into a wheel-like structure on a 150-μm-thick glass sheet by laser cutting, which consists of a glass disc connected to...

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