[HTML][HTML] Optical wavelength dependence of photoacoustic signal of gold nanofluid

M Gandolfi, F Banfi, C Glorieux - Photoacoustics, 2020 - Elsevier
We investigate the optical wavelength dependence of the photoacoustic (PA) signal,
detected with bandwidth (BW) in the MHz range, of gold nanospheres (NSs) immersed in …

Size-dependent effect of gold nanospheres on the acoustic pressure pulses from laser-irradiated suspensions

T Fukasawa, H Shinto, H Aoki, S Ito… - Advanced Powder …, 2014 - Elsevier
We carried out the experimental measurements of photoacoustic responses, where the
suspensions of spherical gold nanoparticles (NPs) of different diameters (20, 40, and 50 nm) …

Optothermoacoustic phenomena in highly diluted suspensions of gold nanoparticles

SV Egerev, AA Oraevsky - International Journal of Thermophysics, 2008 - Springer
An optoacoustic (OA) sensor was designed, fabricated, and used to detect spherical gold
nanoparticles (NPs) in diluted suspensions. The sensor, operating in the backward mode …

Acoustic pressure pulses from laser-irradiated suspensions containing gold nanospheres in water: Experimental and theoretical study

H Shinto, T Fukasawa, H Aoki, S Ito… - Colloids and Surfaces A …, 2013 - Elsevier
We present a physical model that describes the acoustic pressure pulses from diluted
suspensions of metal nanospheres in a liquid medium irradiated by laser pulses. The …

Theoretical and experimental study of photoacoustic excitation of silica-coated gold nanospheres in water

GA Pang, F Poisson, J Laufer, C Haisch… - The Journal of Physical …, 2019 - ACS Publications
Silica-coated gold nanoparticles are commonly employed in biomedical photoacoustic (PA)
imaging applications. The PA signal generation by silica-coated gold nanospheres in water …

Analysis of photoacoustic response from gold–silver alloy nanoparticles irradiated by short pulsed laser in water

A Hatef, B Darvish, A Dagallier… - The Journal of …, 2015 - ACS Publications
We perform a finite element-based numerical analysis to calculate the photoacoustic (PA)
signal generated by spherical gold–silver (Au–Ag) alloy nanoparticles (NPs). These …

[HTML][HTML] Photoacoustic excitation profiles of gold nanoparticles

A Feis, C Gellini, PR Salvi, M Becucci - Photoacoustics, 2014 - Elsevier
The wavelength dependence of the laser-induced photoacoustic signal amplitude has been
measured for water dispersions of 10, 61, and 93 nm diameter gold nanospheres. The …

Photoacoustic generation by a gold nanosphere: From linear to nonlinear thermoelastics in the long-pulse illumination regime

A Prost, F Poisson, E Bossy - Physical Review B, 2015 - APS
We investigate theoretically the photoacoustic generation by a gold nanosphere in water in
the thermoelastic regime. Specifically, we consider the long-pulse illumination regime, in …

[HTML][HTML] Influence of nanoscale temperature rises on photoacoustic generation: Discrimination between optical absorbers based on thermal nonlinearity at high …

O Simandoux, A Prost, J Gateau, E Bossy - Photoacoustics, 2015 - Elsevier
In this work, we experimentally investigate thermal-based nonlinear photoacoustic
generation as a mean to discriminate between different types of absorbing particles. The …

Influence of the temperature-dependent dielectric constant on the photoacoustic effect of gold nanospheres

JP Sun, YT Ren, RX Gao, BH Gao, MJ He… - Physical Chemistry …, 2022 - pubs.rsc.org
Photoacoustic imaging techniques with gold nanoparticles as contrast agents have received
a great deal of attention. The photoacoustic response of gold nanoparticles strongly …