deletions | additions       diff --git a/Shear_wave_amplitude_has_been__.tex b/Shear_wave_amplitude_has_been__.tex  index 926b493..1dbffc8 100644  --- a/Shear_wave_amplitude_has_been__.tex  +++ b/Shear_wave_amplitude_has_been__.tex 
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%Shear wave amplitude has been shown to be linearly dependent on laser beam power in thermoelastic and ablative regime. However, at higher amplitude (about 10$^9$ W.cm$^{-2}$ in metals \cite{scruby1990laser}), a plasma occurs and lead to a non-linear amplitude of the displacement with laser energy.  The dependence of the generated shear waves with laser energy has been investigated by increasing the laser beam energy from 50 10  to 200 mJ. Results are illustrated in Figure \ref{Figure3}-(A). We observe an linear relationship between shear wave amplitude and laser beam power, power between 50 and 200 mJ,  with a correlation coefficient of 0.9745. The displacement pattern does not change in appearance at lower amplitude, but at At  energies smaller than 50 mJ, shear wave amplitude (without averaging) becomes smaller than ambient noise. noise: 50 mJ is probably the threshold in our experimental conditions to get an ablative regime giving rise to a shear wave.