Laser Doppler velocimeter for remote measurement of polluted water and aerosols discharges

M. A. Gondal*, J. Mastromarino, Uwe K.A. Klein

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

A continuous wave Doppler velocimeter has been developed for remote estimation of the volume of polluted water and gaseous discharges using an actively stabilized ring dye laser. Doppler shifted backscattered signals induced by fluids in motion using heterodyne detection technique has been applied for measurement of Doppler shifts. Polluted water and gaseous discharge flow rates have been measured remotely for simulation purposes. The system is capable of measuring Doppler shifts as low as 0.25 MHz corresponding to 0.1 m/s velocities of the fluids.

Original languageEnglish
Pages (from-to)589-600
Number of pages12
JournalOptics and Lasers in Engineering
Volume38
Issue number6
DOIs
StatePublished - Dec 2002

Bibliographical note

Funding Information:
This work is a part of an internal project funded by the Research Institute of KFUPM.

Keywords

  • Heterodyne detection
  • Laser Doppler velocimeter
  • Remote measurement

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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