Measurement of the Resonant Characteristics of a Single Bubble Vibration by Using a Laser Doppler Vibrometer

被引：10

作者：

Yoshikawa, Taisuke ^{[1
]}

Kotera, Hironori ^{[1
]}

Yoshida, Kenji ^{[2
]}

Koyama, Daisuke ^{[3
]}

Nakamura, Kentaro ^{[3
]}

Watanabe, Yoshiaki ^{[2
]}

机构：

[1] Doshisha Univ, Fac Engn, Kyoto 6100321, Japan

[2] Doshisha Univ, Fac Life & Med Sci, Kyoto 6100321, Japan

[3] Tokyo Inst Technol, Precis & Intelligence Lab, Yokohama, Kanagawa 2268503, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2011年 / 50卷 / 07期

关键词：

MIE-SCATTERING MEASUREMENTS; ULTRASOUND; MICROCAPSULE; FIELD;

D O I：

10.1143/JJAP.50.07HE04

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We constructed the experimental system with a laser Doppler vibrometer (LDV) for measuring the vibration of a single microbubble. It was demonstrated that the system enabled the capture of the vibration with an amplitude of nanometer order. We attempted to experimentally measure the resonant characteristics of a bubble attached to a wall by using the system. As a result, we succeeded in measuring the characteristics and evaluating the Q factor and the resonant radius at a driving frequency of 27.8 kHz, although these values are different from those predicted on the basis of the theory for a single free bubble. The LDV measurement system is expected to an effective tool for evaluating bubble vibrations with very small displacement amplitudes, such as the vibration of a microcapsule. (c) 2011 The Japan Society of Applied Physics

引用

页数：3

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