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Proceedings Paper

Speckle correlometry visualization of imbibition front
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Paper Abstract

Laser speckle correlometry was used to study interphase boundary development in paper sheet. The active imbibition area was clearly defined and observed for all samples by higher rate of speckle intensity fluctuations. In some cases wetting of paper lead to formation of rough front which static shape and dynamics of the motion shows considerable complexity. This effect comes out from randomness in porous system and existence of macroscopic obstacles that require additional pressure to be overpassed.

Paper Details

Date Published: 23 September 2003
PDF: 5 pages
Proc. SPIE 5067, Saratov Fall Meeting 2002: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling III; Coherent Optics of Ordered and Random Media III, (23 September 2003); doi: 10.1117/12.518493
Show Author Affiliations
Pavel V. Zakharov, Saratov State Univ. (Russia)
D. A. Zimnyakov, Saratov State Univ. (Russia)


Published in SPIE Proceedings Vol. 5067:
Saratov Fall Meeting 2002: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling III; Coherent Optics of Ordered and Random Media III

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