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Z-scan theory of two-photon absorption saturation and experimental evidence
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10.1063/1.2795997
/content/aip/journal/jap/102/8/10.1063/1.2795997
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/8/10.1063/1.2795997

Figures

Image of FIG. 1.
FIG. 1.

(Color online) The optimal sum upper limit as a function of and when the truncation error in expression Eq. (7) or (9) is below .

Image of FIG. 2.
FIG. 2.

(Color online) Dependence of on for the CdS sample. The squares are experimental data, the solid line is the theoretical fitting, and the dashed line corresponds to the ideal (no saturation) 2PA case for comparison, respectively. The error in is within .

Image of FIG. 3.
FIG. 3.

(Color online) The OA Z-scan traces for the CdS sample. The symbols represent the experimentally measured data as squares at , circles at , and triangles at , respectively. The solid, dashed, and dotted lines are calculated by Z-scan theory with the model A of the saturable 2PA.

Tables

Generic image for table
Table I.

The measured 2PA coefficients (for comparison, the theoretical 2PA coefficients are also shown, according to Ref. 23), the saturation intensity , and other parameters under the excitation condition of a 140 fs pulse duration and a 1.6 eV photon energy.

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/content/aip/journal/jap/102/8/10.1063/1.2795997
2007-10-17
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Z-scan theory of two-photon absorption saturation and experimental evidence
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/8/10.1063/1.2795997
10.1063/1.2795997
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