Third harmonic generation process in Al doped ZnO thin films

M. Abd-Lefdil, A. Douayar, A. Belayachi, A. H. Reshak, A. O. Fedorchuk, S. Pramodini, P. Poornesh, K. K. Nagaraja, H. S. Nagaraja

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

We have performed studies on the third-order nonlinear optical susceptibility of Al doped ZnO (AZO) thin films using z-scan and third harmonic generation techniques. From the present studies, it reveals that the introduction of Al in ZnO leads to substantial changes in the third-order nonlinear susceptibility. Additionally we have shown that using treatment by the 707 nm laser pulses of the Er:glass 20 ns laser also influence on the third harmonic generation. Such behavior is explained by the photoinduced charge re-occupation of the trapping levels on the borders substrate and ZnO. Further, the sign and magnitude of nonlinear absorption coefficient βeff, nonlinear refractive index n2, real and imaginary parts of third-order nonlinear susceptibility were evaluated. Finally, the optical limiting studies for various concentrations of AZO thin films were determined. Reverse saturable absorption was the dominant process leading to the observed nonlinear behavior.

Original languageEnglish
Pages (from-to)7-12
Number of pages6
JournalJournal of Alloys and Compounds
Volume584
DOIs
Publication statusPublished - 01-01-2014

Fingerprint

Harmonic generation
Thin films
Laser pulses
Refractive index
Glass
Lasers
Substrates

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Abd-Lefdil, M., Douayar, A., Belayachi, A., Reshak, A. H., Fedorchuk, A. O., Pramodini, S., ... Nagaraja, H. S. (2014). Third harmonic generation process in Al doped ZnO thin films. Journal of Alloys and Compounds, 584, 7-12. https://doi.org/10.1016/j.jallcom.2013.08.134
Abd-Lefdil, M. ; Douayar, A. ; Belayachi, A. ; Reshak, A. H. ; Fedorchuk, A. O. ; Pramodini, S. ; Poornesh, P. ; Nagaraja, K. K. ; Nagaraja, H. S. / Third harmonic generation process in Al doped ZnO thin films. In: Journal of Alloys and Compounds. 2014 ; Vol. 584. pp. 7-12.
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Abd-Lefdil, M, Douayar, A, Belayachi, A, Reshak, AH, Fedorchuk, AO, Pramodini, S, Poornesh, P, Nagaraja, KK & Nagaraja, HS 2014, 'Third harmonic generation process in Al doped ZnO thin films', Journal of Alloys and Compounds, vol. 584, pp. 7-12. https://doi.org/10.1016/j.jallcom.2013.08.134

Third harmonic generation process in Al doped ZnO thin films. / Abd-Lefdil, M.; Douayar, A.; Belayachi, A.; Reshak, A. H.; Fedorchuk, A. O.; Pramodini, S.; Poornesh, P.; Nagaraja, K. K.; Nagaraja, H. S.

In: Journal of Alloys and Compounds, Vol. 584, 01.01.2014, p. 7-12.

Research output: Contribution to journalArticle

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AU - Abd-Lefdil, M.

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AB - We have performed studies on the third-order nonlinear optical susceptibility of Al doped ZnO (AZO) thin films using z-scan and third harmonic generation techniques. From the present studies, it reveals that the introduction of Al in ZnO leads to substantial changes in the third-order nonlinear susceptibility. Additionally we have shown that using treatment by the 707 nm laser pulses of the Er:glass 20 ns laser also influence on the third harmonic generation. Such behavior is explained by the photoinduced charge re-occupation of the trapping levels on the borders substrate and ZnO. Further, the sign and magnitude of nonlinear absorption coefficient βeff, nonlinear refractive index n2, real and imaginary parts of third-order nonlinear susceptibility were evaluated. Finally, the optical limiting studies for various concentrations of AZO thin films were determined. Reverse saturable absorption was the dominant process leading to the observed nonlinear behavior.

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Abd-Lefdil M, Douayar A, Belayachi A, Reshak AH, Fedorchuk AO, Pramodini S et al. Third harmonic generation process in Al doped ZnO thin films. Journal of Alloys and Compounds. 2014 Jan 1;584:7-12. https://doi.org/10.1016/j.jallcom.2013.08.134