Spectra of laser acoustic signals in water

Abstract

To get the spectra of laser acoustic signal (LAS) in water induced by CO2 laser pulse, and the relation to the parameters of laser pulse (LP). A peak-tail approximation of the actual CO2 LP is used to get the theoretical thermoelastic LAS, after FFT(Fast Fourier Transformation), the affection of the waveform parameters to the LAS spectra is given. And the… (More)

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