Measurement of a flow-velocity profile using a laser Doppler velocimetry coupled with a focus tunable lens

被引：5
|
作者：
Ichikawa, Yoshiyasu [1 ]
Koike, Shunsuke [1 ]
Nakakita, Kazuyuki [1 ]
机构：
[1] Japan Aerosp Explorat Agcy JAXA, Aeronaut Technol Directorate, 7-44-1 Jindaiji Higashi Machi, Chofu, Tokyo 1828522, Japan
来源：
OSA CONTINUUM | 2020年 / 3卷 / 07期
关键词：
CHANNEL FLOW; MICROSCOPY; SENSOR;
D O I：
10.1364/OSAC.393866
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper reports on the measurement of a flow-velocity profile using a laser Doppler velocimetry (LDV) system having a focus tunable lens (FTL). In the system, the FTL is installed in the transmitting optics of the LDV; therefore, it can measure the flow velocity profile by changing the measurement position without any mechanical scanning system. To demonstrate the concept of the technique, the velocity profile measurement of Poiseuille flow was conducted, and the measured velocity profile showed good agreement with the theoretical value. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：1781 / 1791
页数：11
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