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Instability threshold and stability of non-hexagonal patterns in a photorefractive feedback system

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3 Author(s)
Jander, P. ; Inst. of Appl. Phys., Westfalischen Wilhelms-Univ., Munster, Germany ; Kamps, O. ; Denz, C.

This study investigates spontaneous pattern formation in a single mirror feedback system with a photorefractive nonlinearity. This paper also presents a detailed experimental investigation of the instability threshold for a wide range of system parameters. Fourier filtering techniques are employed experimentally in order to determine the unstable transverse wave numbers for a given set of parameters. The results are compared with the predictions obtained by the linear stability analysis and numerical treatment of the model equations.

Published in:

Quantum Electronics Conference, 2003. EQEC '03. European

Date of Conference:

22-27 June 2003