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Simulation of beam propagation with time-dependent nonlinear processes in optical limiting applications
Swedish Def Res Agcy, FOI, SE-58111 Linkoping, Sweden.
2002 (English)In: Synthetic metals, ISSN 0379-6779, Vol. 127, no 1-3, 147-150 p.Article in journal (Refereed) Published
Abstract [en]

A scheme based on the Cranck-Nicholson model has been realized in Matlab code and used to simulate the intensity propagation of various temporal pulse shapes through optically nonlinear materials. The differential equations associated with three- and five-level systems were solved numerically in each point over the active time-space grid. Instantaneous two-photon absorption and dynamic multilevel systems, one at the time, or in combination, can be used to model material responses. A typical Rayleigh length was 0.5 mm. and a pulse length up to a few nanometers for sample lengths of typically 2 mm. (C) 2002 Elsevier Science B.V. All rights reserved.

Place, publisher, year, edition, pages
2002. Vol. 127, no 1-3, 147-150 p.
Keyword [en]
optical limiting, modelling of nonlinear materials, beam propagation, time response of materials
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-48939OAI: diva2:269835
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-13

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ReferencesLink to record
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