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.

引用

页码：263 / 268

页数：6

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