QUASI REAL-TIME DIGITAL VERSION OF SINGLE-EXPOSURE SPECKLE PHOTOGRAPHY FOR FULL-FIELD MONITORING OF VELOCITY OR FLOW-FIELDS

被引：87

作者：

BRIERS, JD

WEBSTER, S

机构：

[1] School of Applied Physics, Kingston University, Kingston upon Thames

来源：

OPTICS COMMUNICATIONS | 1995年 / 116卷 / 1-3期

关键词：

D O I：

10.1016/0030-4018(95)00042-7

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Some years ago, a method called single-exposure speckle photography was proposed as a full-field method of visualizing velocity and flow fields. It was based on the fact that the spatial contrast of a time-integrated speckle pattern depends on the velocity of the scatterers producing the speckle. This paper considers a digital realization of this technique, replacing the original two-stage optical processing with quasi real-time digital processing.

引用

页码：36 / 42

页数：7

共 29 条

[1]

Abbiss J. B., 1974, Optics and Laser Technology, V6, P249, DOI 10.1016/0030-3992(74)90006-1

[2] BIO-SPECKLE PHENOMENA AND THEIR APPLICATION TO THE EVALUATION OF BLOOD-FLOW [J].