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Nonlinear optical properties of binary and ternary silicate glasses upon near-infrared femtosecond pulse laser irradiation

: Grehn, M.; Tsai, W.J.; Höfner, M.; Seuthe, T.; Bonse, J.; Mermillod-Blondin, A.; Rosenfeld, A.; Hennig, J.; Achtstein, A.W.; Theiss, C.; Woggon, U.; Eberstein, M.; Eichler, H.J.


Phipps, Claude:
International Symposium on High Power Laser Ablation 2012 : Santa Fe, New Mexico, USA, 30 April - 3 May 2012; ninth conference, HPLA 2012
Melville/NY: AIP, 2012 (AIP Conference Proceedings 1464)
ISBN: 978-0-7354-1068-8
ISSN: 0094-243X
International Symposium on High Power Laser Ablation (HPLA) <9, 2012, Santa Fe/NM>
Fraunhofer IKTS ()
coefficient of thermal expansion; glass transformation temperature; laser ablation; laser-induced damage threshold; nonlinear refractive index; silicate glass systems

Some nonlinear optical properties such as the nonlinear refractive index and the nonlinear effective absorption, as well as the laser-induced single-pulse ablation threshold are characterized for a series of binary and ternary silicate glasses upon irradiation with near-infrared femtosecond laser pulses (800 nm, 130 fs). The laser-induced ablation threshold varies from 2.3 J/cm2 in case of potassium silicate glass up to 4.3 J/cm2 in case of Fused Silica. Nonlinear refractive indices are qualitatively similar within the range 1.7-2.7×10-16cm2/W. Complementary optical and physico-chemical properties like band gap energy and the glass transformation temperature have been measured for all the glasses.