Digital speckle-pattern interferometry as a full-field fluid-velocimetry technique

被引：17
|
作者：
Andrés, N [1 ]
Arroyo, MP
Hinrichs, H
Quintanilla, M
机构：
[1] Univ Zaragoza, Dept Fis Aplicada, E-50009 Zaragoza, Spain
[2] Inst Angew & Tech Phys, D-26129 Oldenburg, Germany
来源：
OPTICS LETTERS | 1999年 / 24卷 / 09期
关键词：
D O I：
10.1364/OL.24.000575
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a novel fluid-velocimetry technique based on speckle interferometry. The light scattered from an illuminated plane is recorded with a CCD camera at the same time as a speckled reference beam. Substraction of two nonsimultaneous frames provides information about the velocity field for an out-of-plane component. An application to a Rayleigh-Benard convective flow is given. (C) 1999 Optical Society of America.
引用
收藏
页码：575 / 577
页数：3
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