Open AccessShock pressure in femtosecond laser ablation of solid target
Author(s) -
Wenting Wang,
Nan Zhang,
Mingwei Wang,
Yu He,
Jianjun Yang,
Xing Zhu
Publication year - 2013
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.62.170601
Subject(s) - femtosecond , materials science , laser , shock (circulatory) , shock wave , optics , laser ablation , ablation , x ray laser , femtosecond pulse shaping , optoelectronics , laser power scaling , physics , mechanics , medicine , engineering , aerospace engineering
The concepts of shock pressure and shock temperature in the interaction of femtosecond laser pulse and solid target are defined. Then the relationship between the shock pressure and other physical parameters in the process of femtosecond laser ablation of aluminum, copper, and silicon targets are discussed. Absolute values of shock pressure are calculated by means of the time-resolved pump detection shadow-graph. Result of this investigation plays an important role in the secure femtosecond laser processing of energetic materials and the femtosecond laser propulsion technology.