The photoacoustic (PA) effect is based on the generation of acoustic waves upon absorption of light [1]. In a nutshell, the mechanism is based on the conversion of the absorbed light into heat, yielding a temperature rise inside the sample. This results in acoustic waves generated by the thermal expansion of the heated medium (a sketch of the effect is reported in Fig. 1a ).
Optical wavelength dependence of photoacoustic signal of gold nanofluid
Gandolfi M;
2021
Abstract
The photoacoustic (PA) effect is based on the generation of acoustic waves upon absorption of light [1]. In a nutshell, the mechanism is based on the conversion of the absorbed light into heat, yielding a temperature rise inside the sample. This results in acoustic waves generated by the thermal expansion of the heated medium (a sketch of the effect is reported in Fig. 1a ).File in questo prodotto:
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Descrizione: Optical wavelength dependence of photoacoustic signal of gold nanofluid
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