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

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