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Proceedings Paper

Second-harmonic-generated hologram
Author(s): Yuri N. Denisyuk; Alessandra Andreoni; Marco A. C. Potenza
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Paper Abstract

A new method of wavefronts' cross-correlation by means of so-called Second-Harmonic-Generated Hologram (SHG hologram) is considered. According to this method the interference pattern of an object wave and a reference wave is recorded in nonlinear light-sensitive material using its second order nonlinearity. The SHG hologram generates the wave that forms the reconstructed image of the object without time delay in the moment when interfering wavefronts intersect the image of the object without time delay in the moment when interfering wavefronts intersect the light-sensitive material, the frequency of the reconstructed wave being doubled in comparison with the frequency of the recorded waves. The expression that describes the electrical field of the reconstructed wave is deduced. Basing on this expression the methods for the construction of the image generated by SHG hologram are developed. It is suggested to use the transforming properties of the SHG hologram for constructing the network of changeable interconnection lines, which operates on the principle `light is controlled by light'. The experiment on the recording of the SHG hologram was carried out. The SHG hologram was recorded in BBO I crystal with the help of Nd:YAG pulse laser. The experiment has confirmed the ability of the SHG hologram to form high quality images.

Paper Details

Date Published: 17 March 2000
PDF: 13 pages
Proc. SPIE 3956, Practical Holography XIV and Holographic Materials VI, (17 March 2000); doi: 10.1117/12.379986
Show Author Affiliations
Yuri N. Denisyuk, A.F. Ioffe Physico-Technical Institute (Russia)
Alessandra Andreoni, Univ. degli Studi dell'Insubria (Italy)
Marco A. C. Potenza, Univ. degli Studi dell'Insubria (Italy) and INFM/Univ. degli Studi di Milano (Italy)

Published in SPIE Proceedings Vol. 3956:
Practical Holography XIV and Holographic Materials VI
Sylvia H. Stevenson; Stephen A. Benton; T. John Trout; Sylvia H. Stevenson; T. John Trout, Editor(s)

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