使用光纤布拉格光栅传感器测量仿组织材料中的声压和温度。
Measurement of sound pressure and temperature in tissue-mimicking material using an optical fiber Bragg grating sensor.
作者信息
Imade Keisuke, Kageyama Takashi, Koyama Daisuke, Watanabe Yoshiaki, Nakamura Kentaro, Akiyama Iwaki
机构信息
Medical Ultrasound Research Center, Doshisha University, Kyotanabe, Kyoto, Japan.
Precision and Intelligence Laboratory, Tokyo Institute of Technology, Yokohama, Japan.
出版信息
J Med Ultrason (2001). 2016 Oct;43(4):473-9. doi: 10.1007/s10396-016-0726-9. Epub 2016 Jun 22.
PURPOSE
The experimental investigation of an optical fiber Bragg grating (FBG) sensor for biomedical application is described. The FBG sensor can be used to measure sound pressure and temperature rise simultaneously in biological tissues exposed to ultrasound. The theoretical maximum values that can be measured with the FBG sensor are 73.0 MPa and 30 °C.
METHODS
In this study, measurement of sound pressure up to 5 MPa was performed at an ultrasound frequency of 2 MHz. A maximum temperature change of 6 °C was measured in a tissue-mimicking material.
RESULTS
Values yielded by the FBG sensor agreed with those measured using a thermocouple and a hydrophone.
CONCLUSION
Since this sensor is used to monitor the sound pressure and temperature simultaneously, it can also be used for industrial applications, such as ultrasonic cleaning of semiconductors under controlled temperatures.
目的
描述一种用于生物医学应用的光纤布拉格光栅（FBG）传感器的实验研究。该FBG传感器可用于在暴露于超声的生物组织中同时测量声压和温度升高。FBG传感器能够测量的理论最大值为73.0兆帕和30摄氏度。
方法
在本研究中，在2兆赫的超声频率下进行了高达5兆帕的声压测量。在一种仿组织材料中测量到的最大温度变化为6摄氏度。
结果
FBG传感器得出的值与使用热电偶和水听器测量的值一致。
结论
由于该传感器可同时监测声压和温度，它也可用于工业应用，如在可控温度下对半导体进行超声清洗。
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