Experimental measurements of the scattered-light polarization from different liquid flows

被引：0
|
作者：
Sanchez-Guillen, C [1 ]
Martin-Pereda, JA [1 ]
机构：
[1] Univ Politecn Madrid, EUIT Aeronaut, Madrid, Spain
来源：
INTERNATIONAL CONFERENCE ON OPTICAL METHODS AND DATA PROCESSING IN HEAT AND FLUID FLOW | 1998年 / 1998卷 / 02期
关键词：
D O I：
暂无
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
An experimental system designed to measure very low optical powers, of the order of a few picowatts, is presented. Its main aid is to detect the polarisation state of scattered light from a fluid flow, in different angular directions with respect to the longitudinal axis of the flow. A laser beam incident linearly polarized crosses the fluid flow orthogonally. The scattered light is detected by means of a photodetector situated behind a lineal polarizer whose orientation can be rotated. The outgoing electrical signal is amplified by means of a Mode-lockin amplifier and is digitally processed.
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页码：263 / 268
页数：6
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