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Journal Articles

New progress in the observation and application of the laser-plasma in the semiconductors and dielectrics, 2; Study of non-thermal effects on femtosecond laser ablation of transparent dielectrics through the measurements of spallation dynamics

Kumada, Takayuki

Purazuma, Kaku Yugo Gakkai-Shi, 96(4), p.176 - 180, 2020/04

AA2019-0379.pdf:0.66MB

We have developed time-resolved reflectivity measurement system using femtosecond laser pulses, which can measure structure of thin films generated by non-thermal effect.

Oral presentation

Photomechanical effects on femtosecond-laser ablation of fused silica studied using time-resolved reflectivity

Kumada, Takayuki; Akagi, Hiroshi; Itakura, Ryuji; Otobe, Tomohito; Yokoyama, Atsushi

no journal, ,

We observed oscillation of time-resolved reflectivity of femtosecond-laser-ablated fused silica. We ascribe the oscillation to the interference between probe pulses reflected from a sample surface and a thin layer produced by the photomechanical effect.