Structural modifications of binary lithium silicate glasses upon femtosecond laser pulse irradiation probed by micro-Raman spectroscopy

被引：52

作者：

Seuthe, T. ^{[1
]}

Grehn, M. ^{[2
]}

Mermillod-Blondin, A. ^{[3
]}

Eichler, H. J. ^{[2
]}

Bonse, J. ^{[4
]}

Eberstein, M. ^{[1
]}

机构：

[1] Fraunhofer Inst Ceram Technol & Syst IKTS, D-01277 Dresden, Germany

[2] Tech Univ Berlin, Dept Opt & Atom Phys, D-10623 Berlin, Germany

[3] Max Born Inst Nonlinear Opt & Short Pulse Spect, D-12489 Berlin, Germany

[4] BAM Fed Inst Mat Res & Testing, D-12205 Berlin, Germany

来源：

OPTICAL MATERIALS EXPRESS | 2013年 / 3卷 / 06期

关键词：

VITREOUS SILICA; MAGMATIC TEMPERATURES; HIGH-PRESSURE; WAVE-GUIDES; SIO2; GLASS; MELTS; DENSIFICATION; SPECTRA;

D O I：

10.1364/OME.3.000755

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of single femtosecond laser pulse irradiation (130 fs pulse duration, 800 nm center wavelength) on the structure of binary lithium silicate glasses of varying chemical compositions were investigated by micro-Raman spectroscopy. Permanent modifications were generated at the surface of the glass samples with varying laser fluences in the ablative regime and evaluated for changes in the corresponding Raman band positions and bandwidths. For increasing laser fluences, the position of certain Raman bands changed, indicating an increase in the mass density of the glass inside the irradiated area. Simultaneously, the widths of all investigated bands increased, indicating a higher degree of disorder in the glass structure with respect to bond-angle and bond-length variations. (C) 2013 Optical Society of America

引用

页码：755 / 764

页数：10

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