Femtosecond laser induced micromodifications in Nd:SBN crystals:: Amorphization and luminescence inhibition

被引：6

作者：

Rodenas, A. ^{[1
]}

Jaque, D.

Torchia, G. A.

Mendez, C.

Arias, I.

Roso, L.

Moreno, P.

Agullo-Rueda, F.

机构：

[1] Univ Autonoma Madrid, Fac Ciencias, Dept Fis Mat, Grp Espectropia Laser GIEL, E-28049 Madrid, Spain

[2] Univ Salamanca, Fac Ciencias Fis, Dept Fis Aplicada, Grp Opt, E-37008 Salamanca, Spain

[3] CSIC, Inst Ciencia Mat, E-28049 Madrid, Spain

来源：

JOURNAL OF APPLIED PHYSICS | 2006年 / 100卷 / 11期

关键词：

D O I：

10.1063/1.2392721

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on femtosecond laser modification of Nd:SBN crystals. Basic properties such as the ablation threshold have been obtained from the analysis of the ablation depths at different laser fluences. The induced micromodifications have been investigated by optical microscopy as well as by microphotoluminescence and micro-Raman experiments. We have found that in the vicinity of the ablated volume material amorphization can be induced along different directions. Furthermore, we have found that this material amorphization is accompanied by a strong inhibition of the Nd3+ luminescence. The analysis of the spatial extension of the luminescence inhibition as a function of the laser fluence has been used to elucidate the origin of the femtosecond laser induced material amorphization. (c) 2006 American Institute of Physics.

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页数：7

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