<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Optically induced changes in the concentration distribution of Fluorescein and DCM dye solutions were investigated, with their dependences on the laser intensity and optical properties of solvent examined. In the experiments we used a thin solution layer (~70 μm) between two glass plates, which was exposed to CW laser radiation (γ = 523 nm). Under intensive laser illumination a transport of dissolved dye was observed. The distribution of solution concentration was analyzed using a low-intensity CW laser focused beam. The spectroscopy methods were employed to reveal differences between the absorption spectra of the solution before and after exposure. The solution concentration was proved to change around the exposed spot.</p></abstract>

Optically induced changes in the concentration distribution of Fluorescein and DCM dye solutions were investigated, with their dependences on the laser intensity and optical properties of solvent examined. In the experiments we used a thin solution layer (~70 μm) between two glass plates, which was exposed to CW laser radiation (γ = 523 nm). Under intensive laser illumination a transport of dissolved dye was observed. The distribution of solution concentration was analyzed using a low-intensity CW laser focused beam. The spectroscopy methods were employed to reveal differences between the absorption spectra of the solution before and after exposure. The solution concentration was proved to change around the exposed spot.

Photoinduced Mass Transport in Liquids

Institute of Solid State Physics, University of Latvia, 8 Kengaraga Str., Riga, LV-1063, LATVIA

Latvian Journal of Physics and Technical Sciences

{"article-title":"Photoinduced Mass Transport in Liquids"}

Optically induced changes in the concentration distribution of Fluorescein and DCM dye solutions were investigated, with their dependences on the laser...

Photoinduced Mass Transport in Liquids

Published Online: Sep 23, 2009

Page range: 3 - 8

DOI: https://doi.org/10.2478/v10047-009-0014-1

Keywords
Mass transport, Gradient force, Fluorescein, DCM

This content is open access.

Photoinduced Mass Transport in Liquids

Published Online: Sep 23, 2009

Page range: 3 - 8

DOI: https://doi.org/10.2478/v10047-009-0014-1

KeywordsMass transport, Gradient force, Fluorescein, DCM

This content is open access.

Keywords
Mass transport, Gradient force, Fluorescein, DCM