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Your search keyword '"Besse, V."' showing total 2 results
Start Over Author "Besse, V." Topic fourier transform
2 results on '"Besse, V."'

1. Study of the evolution of different dissipative solitons and phase measurement by Mach-Zehnder interferometry.

Author

Besse, V., Cassagne, C., Boudebs, G., and Leblond, H.

Abstract

We have studied numerically the evolution of soliton configurations according to the complex Ginzburg-Landau equation in presence of cubic-quintic non linearities in a 2-dimensional periodic potential. The aim was to establish a parameter "map" to predict experiments to be achieved using a Mach-Zehnder coupled to a "Spatial Light Modulator " into one arm for output phase measurements in order to fully characterize the soliton propagation. [ABSTRACT FROM PUBLISHER]

Published
2012
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2. Spatially resolved phase objects using Mach–Zehnder interferometry.

Author

Besse, V., Cassagne, C., and Boudebs, G.

Subjects
*INTERFEROMETRY, *FOURIER transforms, *FOCUSED ion beams, *NONLINEAR theories, *PHASE shift (Nuclear physics), *SPATIAL light modulators, *CALIBRATION
Abstract

Phase characterization with a good spatial resolution is crucial for focused beams in nonlinear media. The phase-shifting interferometry technique, using the least-squares error criterion for several interferograms, is implemented using a reflective spatial light modulator (SLM). The method provides a convenient calibration for any phase-shift steps. The reliability of the proposed method is checked by direct comparison with results obtained by the Fourier transform method as well as using a previously characterized circular phase object. [ABSTRACT FROM AUTHOR]

Published
2012
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