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Multiphoton absorption induced amplified spontaneous emission from biocatalyst-synthesized ZnO nanorods
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10.1063/1.2927486
/content/aip/journal/apl/92/23/10.1063/1.2927486
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/23/10.1063/1.2927486
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Figures

Image of FIG. 1.
FIG. 1.

SEM and XRD data of as-grown ZnO NRs using biogenic catalysts. SEM images of (a) , (b) , and (c) show assembled ZnO NRs of square patterns, vertically grown ZnO NRs inside each pattern, and the hexagonal geometry of individual ZnO NRs, respectively. Typical XRD patterns obtained from as-synthesized ZnO NRs grown over the magnetic bacteria are displayed in (d). (e) The PL spectrum recorded from the sample of ZnO NRs excited at .

Image of FIG. 2.
FIG. 2.

Emission spectra from ZnO NR array excited by femtosecond pulses of different fluence energy. The inset shows the transition from spontaneous emission to stimulated emission with the excitation near the threshold .

Image of FIG. 3.
FIG. 3.

The PL emission intensity , SHG, and FWHM are plotted as functions of excitation flux. The inset shows the normalized spectra below and above the threshold.

Image of FIG. 4.
FIG. 4.

Emission spectra from ZnO NR array excited with femtosecond pulses of different while the intensities remain the same.

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/content/aip/journal/apl/92/23/10.1063/1.2927486
2008-06-13
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Multiphoton absorption induced amplified spontaneous emission from biocatalyst-synthesized ZnO nanorods
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/23/10.1063/1.2927486
10.1063/1.2927486
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