Ultrafast UV laser-induced dynamics in fused silica

Juan Du; Bing Xue; Jun Liu; Zehan Li; Takayoshi Kobayashi; Yuanan Zhao; Yuxin Leng

doi:10.1117/12.2068097

4 November 2014 Ultrafast UV laser-induced dynamics in fused silica

Juan Du, Bing Xue, Jun Liu, Zehan Li, Takayoshi Kobayashi, Yuanan Zhao, Yuxin Leng

Proceedings Volume 9237, Laser-Induced Damage in Optical Materials: 2014; 92371N (2014) https://doi.org/10.1117/12.2068097
Event: SPIE Laser Damage, 2014, Boulder, Colorado, United States

Abstract

Using 9 fs UV laser pulses, laser induced ultrafast dynamics in fused silica is investigated in the present study. The free carrier dynamics under few-cycle UV laser excitation far below laser damage threshold in the fused silica was studied. After laser excitation, free carrier in the conductive band is found to turn into self-trapped excitons within about 300fs. It is possible that the trapped exciton will result in the incubation effect under the condition of ultrafast high-frequency pulsed UV laser exposure.

Citation Download Citation

Juan Du, Bing Xue, Jun Liu, Zehan Li, Takayoshi Kobayashi, Yuanan Zhao, and Yuxin Leng "Ultrafast UV laser-induced dynamics in fused silica", Proc. SPIE 9237, Laser-Induced Damage in Optical Materials: 2014, 92371N (4 November 2014); https://doi.org/10.1117/12.2068097

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