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Atomic mercury flux monitoring using an optical parametric oscillator based lidar system

In English

Författare

Summary, in English

A newly developed optical parametric oscillator (OPO) based differential absorption lidar (DIAL) system has been applied to the monitoring of atomic mercury emissions at several chlor-alkali plants in Europe. The versatility of the system is illustrated by measured time series of mercury flux and movies of vertical and horizontal concentration distributions, which yield important input parameters for the environmental community. Long term measurements of the resonance absorption of mercury at 253.65 nm poses special demands, i.e. long term stability, on the light source that often have been hard to fulfill, in different respects, for standard OPO and dye laser based systems. Here, approaches to meet these demands are presented.

Avdelning/ar

Publiceringsår

2004

Språk

Engelska

Sidor

551-556

Publikation/Tidskrift/Serie

Optics Express

Volym

12

Issue

4

Dokumenttyp

Artikel i tidskrift

Förlag

Optical Society of America

Ämne

  • Atom and Molecular Physics and Optics

Nyckelord

  • Air pollution monitoring
  • differential absorption lidar
  • Spectroscopy
  • atomic
  • Parametric oscillators and amplifiers
  • Lasers
  • solid state
  • Air pollution monitoring.

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1094-4087