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Proceedings Paper

Soliton-like structures in BTO
Author(s): Armin Kiessling; Richard M. Kowarschik; E. Weidner
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Paper Abstract

We present experimental investigations on photorefractive spatial solitons in thin and long (fiber-like) BTO-crystals (sillenite type). The temporal evolution of the beam width is investigated in dependence of the externally applied dc field and the optical power of the soliton beam. Self-focusing occurs for entrance beam diameters of about 10 μm and an optical power of the HeNe-laser illumination in the range of 50 nW. We observed a reduction of the output beam width of nearly 70% in the steady state. This steady state is reached faster for higher field strengths and intensities. The times needed for soliton formation are restricted by saturation.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.530004
Show Author Affiliations
Armin Kiessling, Friedrich-Schiller-Univ. Jena (Germany)
Richard M. Kowarschik, Friedrich-Schiller-Univ. Jena (Germany)
E. Weidner, Friedrich-Schiller-Univ. Jena (Germany)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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