Characterization of ultrasonic generation from a fiber-optic sidewall 机翻标题: 暂无翻译,请尝试点击翻译按钮。

会议集名/来源
Fiber Optic Sensors and Applications XV: SPIE Commercial + Scientific Sensing and Imaging Conference, 17-18 April 2018, Orlando, Florida, United States
出版年
2018
页码
106540U.1-106540U.8
会议地点
Orlando
作者单位
Department of Biomedical Engineering and Biotechnology, University of Massachusetts Lowell Lowell, MA 01854, USADepartment of Electrical and Computer Engineering, University of Massachusetts Lowell Lowell, MA 01854, USADepartment of Biomedical Engineering and Biotechnology, University of Massachusetts Lowell Lowell, MA 01854, USADepartment of Electrical and Computer Engineering, University of Massachusetts Lowell Lowell, MA 01854, USADepartment of Biomedical Engineering and Biotechnology, University of Massachusetts Lowell Lowell, MA 01854, USA,Department of Electrical and Computer Engineering, University of Massachusetts Lowell Lowell, MA 01854, USA
作者
Jingcheng Zhou;Xu Guo;Cong Du;Nan Wu;Xingwei Wang
摘要
This paper presents a characterization of ultrasonic generation from the sidewall of an optical fiber. Ultrasonic generation from an optical fiber could have broad applications, such as ultrasonic imaging, ultrasonic nondestructive test (NDT), and acoustic pyrometers and so on. There are many advantages of these fiber-optic ultrasonic transducers, such as small size, light weight, ease of use, and immunity to electromagnetic interference. This paper discusses two main factors that will influence the signal strength generated by the sidewall of the ultrasonic generator. The two factors are the thickness of the photoabsorption material and the optical energy emitted from the sidewall fiber. A 20 mm length fiber-optic sidewall ultrasonic generator was used for the characterization. Gold-nanocomposite materials were used as the photoabsorption material. A hydrophone was used to detect the ultrasonic signal. The ultrasonic time and frequency profile and the ultrasonic field distribution at the longitudinal section of this fiber-optic sidewall ultrasonic generator have been characterized in this paper.
机翻摘要
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关键词
Fiber-optic sidewall;Ultrasonic generation;Photoacoustic;Distributed fiberoptic sensing;Ultrasonic field distribution
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