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Optical limiting using Laguerre-Gaussian beams
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10.1063/1.2814886
/content/aip/journal/apl/91/20/10.1063/1.2814886
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/20/10.1063/1.2814886
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of a self-lensing limiter, where the incident beam is assumed to be a fundamental Gaussian beam . (a) Self focusing. (b) Self defocusing. L is lens, M is nonlinear medium, A is aperture, and S is sensor.

Image of FIG. 2.
FIG. 2.

Far-field on-axis normalized transmittance as a function of the the position of the nonlinear material of a self-defocusing medium for a fixed value of . Solid and dotted curves correspond to a beam and a beam, respectively.

Image of FIG. 3.
FIG. 3.

The normalized transmittance vs the peak nonlinear phase shift in the medium, , for a beam. The position of the medium for each of the curves is indicated by the number along that curve. (a) Medium in front of the beam focus. (b) Medium behind the beam focus.

Image of FIG. 4.
FIG. 4.

Optical limiting using a beam with the medium at and . (a) Experimental results with a DR1/PMMA sample. (b) Theoretical results assuming an optical Kerr medium.

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/content/aip/journal/apl/91/20/10.1063/1.2814886
2007-11-14
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical limiting using Laguerre-Gaussian beams
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/20/10.1063/1.2814886
10.1063/1.2814886
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