| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 3, 2008
|
|
|---|---|---|
| Article Number | 08029 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.2971/jeos.2008.08029 | |
| Published online | 04 September 2008 | |
Regular papers
Experimental demonstration of singular-optical colouring of regularly scattered white light
1
Department of Correlation Optics, Chernivtsi National University, Chernivtsi 58012, Ukraine
2
DTU Fotonik, Department of Photonics Engineering, DK-4000 Roskilde, Denmark
Received:
27
May
2008
Experimental interference modelling of the effects of colouring of a beam traversing a light-scattering medium is presented. It is shown that the result of colouring of the beam at the output of the medium depends on the magnitudes of the phase delays of the singly forward scattered partial signals. The colouring mechanism has for the first time experimentally been illustrated for a forward propagating beam through a light-scattering medium. This is showed in video-fragments of the interferograms recorded within the zero interference fringe with a gradual change of the path difference of the interfering polychromatic wave trains. Spectral investigation of the effects of colouring has been carried out using a solution of liquid crystal in a polymer matrix. The amplitude ratio of the non-scattered and the singly forward scattered interfering components significantly affects the colour intensity. It has further been established that the spectral content of the illuminating beam strongly influences the colour of the resulting radiation.
Key words: coherence / polarimetry / statistical optics / optical diagnostics for medicine
© The Author(s) 2008. All rights reserved.
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