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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 (Engelska)Ingår i: Synthetic metals, ISSN 0379-6779, E-ISSN 1879-3290, Vol. 127, nr 1-3, s. 147-150Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
2002. Vol. 127, nr 1-3, s. 147-150
Nyckelord [en]
optical limiting, modelling of nonlinear materials, beam propagation, time response of materials
Nationell ämneskategori
Naturvetenskap
Identifikatorer
URN: urn:nbn:se:liu:diva-48939OAI: oai:DiVA.org:liu-48939DiVA, id: diva2:269835
Tillgänglig från: 2009-10-11 Skapad: 2009-10-11 Senast uppdaterad: 2017-12-12

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