Study of developing thermal fixed holograms in lithium niobate

  1. de Miguel, Eva M. 1
  2. Limeres, Josefa 1
  3. Carrascosa, Mercedes 1
  4. Arizmendi, Luis 1
  1. 1 Universidad Autónoma de Madrid
    info

    Universidad Autónoma de Madrid

    Madrid, España

    ROR https://ror.org/01cby8j38

Journal:
Journal of the Optical Society of America B

ISSN: 0740-3224,  1520-8540

Year of publication: 2000

Volume: 17

Issue: 7

Pages: 1140

Type: Article

DOI: 10.1364/JOSAB.17.001140 GOOGLE SCHOLAR lock_openOpen access editor

More publications in: Journal of the Optical Society of America B

Abstract

Experimental results on the developing kinetics and final diffraction efficiency of fixed holograms in iron-doped lithium niobate are presented. Samples with two different oxidation states are studied. The developing kinetics of well-oxidized samples show oscillations superposed to a saturation dependence, whereas they are not present for the less oxidized sample. The final developed ratio is found to depend on the grating spacing and the oxidation state of the samples. All these features are well explained with the charge-transport theory and are found to be dependent on the photovoltaic properties of the samples, doping, and oxidation state. From the analysis of the experimental data, the photovoltaic field amplitude of the samples is obtained.

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