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Two-photon resonance assisted huge nonlinear refraction and absorption in ZnO thin films
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10.1063/1.1848192
/content/aip/journal/jap/97/3/10.1063/1.1848192
http://aip.metastore.ingenta.com/content/aip/journal/jap/97/3/10.1063/1.1848192

Figures

Image of FIG. 1.
FIG. 1.

Spectra of PL (solid curve) and reflectance (dotted curve) of the ZnO thin film with the arrow showing the exciton peak at 380 nm. The inset is the x-ray diffraction pattern.

Image of FIG. 2.
FIG. 2.

The Z-scan traces for (a) the open aperture (, solid squares) and the closed aperture (, solid circles), and (b) the result of dividing the value by the value by exciting the laser with at 745 nm. The solid curve is the fitting result from the theory.

Image of FIG. 3.
FIG. 3.

The measured (solid squares) and (hollow circles) of the ZnO thin film as a function of excitation irradiance for exciting at 745 nm.

Image of FIG. 4.
FIG. 4.

The near-IR spectral responses of (solid squares) and (solid circle) (a), and (solid squares with small error bar) (b).

Image of FIG. 5.
FIG. 5.

The Z-scan traces at 830 nm with of the open aperture (, solid squares) and closed aperture (, solid circles) (a), and the result of dividing by values (b). The solid curve is the theoretically fitting result.

Image of FIG. 6.
FIG. 6.

The Z-scan traces for (a) the open aperture (solid squares) and the closed aperture (solid circles), and (b) the result of dividing by values shows the positive refraction for 420 nm with . The solid curve is the theoretically fitting result.

Image of FIG. 7.
FIG. 7.

and versus the different excitation wavelengths.

Tables

Generic image for table
Table I.

The measured nonlinear parameters including the , and for the excitation wavelength near IR.

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/content/aip/journal/jap/97/3/10.1063/1.1848192
2005-01-19
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Two-photon resonance assisted huge nonlinear refraction and absorption in ZnO thin films
http://aip.metastore.ingenta.com/content/aip/journal/jap/97/3/10.1063/1.1848192
10.1063/1.1848192
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