This article is cited in 13 papers

Laser applications and other topics in quantum electronics

Monte Carlo simulation of optical clearing of paper in optical coherence tomography

M. Yu. Kirillin^ab, A. V. Priezzhev^ac, J. Hast^b, R. A. Myllylä<sup>b

a</sup> Lomonosov Moscow State University, Faculty of Physics
^b University of Oulu, Faculty of Technology, Optoelectronics and Measurements Techniques Laboratory, Finland
^c International Laser Center of Moscow State University

Abstract: Signals of an optical coherence tomograph from paper samples are calculated by the Monte Carlo method before and after the action of different immersion liquids such as ethanol, glycerol, benzyl alcohol, and 1-pentanol. It is shown within the framework of the model used that all these liquids reduce the contrast of the inhomogeneity image in upper layers of the samples, considerably improving, however, the visibility of lower layers, allowing the localisation of the rear boundary of a medium being probed, which is important for precision contactless measuring a paper sheet thickness, for example, during the manufacturing process. The results of calculations are in well agreement with experimental data.

PACS: 42.62.Cf, 42.30.Wb, 05.10.Ln

Received: 03.11.2005
Revised: 10.01.2006

 English version: Quantum Electronics, 2006, 36:2, 174–180

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