Reconfigurable nonlinear response of dielectric and semiconductor metasurfaces

L Carletti, M Gandolfi, D Rocco, A Tognazzi… - …, 2021 - degruyter.com
Optically resonant dielectric and semiconductor metasurfaces are an emerging and
promising area of nanophotonics and light–matter interaction at the nanoscale. Recently …

Photothermal and optoacoustic spectroscopy: State of the art and prospects

MA Proskurnin, VR Khabibullin, LO Usoltseva… - Physics …, 2022 - iopscience.iop.org
The main issues and areas of application of photothermal and optoacoustic spectroscopy
are reviewed. Progress in innovative techniques in the most actively developing areas is …

Opto-thermally controlled beam steering in nonlinear all-dielectric metastructures

D Rocco, M Gandolfi, A Tognazzi, O Pashina… - Optics …, 2021 - opg.optica.org
Reconfigurable metasurfaces have recently gained a lot of attention in applications such as
adaptive meta-lenses, hyperspectral imaging and optical modulation. This kind of …

Opto-thermal dynamics of thin-film optical limiters based on the VO2 phase transition

A Tognazzi, M Gandolfi, B Li, G Ambrosio… - Optical Materials …, 2022 - opg.optica.org
Protection of human eyes or sensitive detectors from high-intensity laser radiation is an
important challenge in modern light technologies. Metasurfaces have proved to be valuable …

Ultrafast nano generation of acoustic waves in water via a single carbon nanotube

M Diego, M Gandolfi, A Casto, FM Bellussi, F Vialla… - Photoacoustics, 2022 - Elsevier
Generation of ultra high frequency acoustic waves in water is key to nano resolution
sensing, acoustic imaging and theranostics. In this context water immersed carbon …

Enhancement of the photoacoustic effect during the light–particle interaction

Y Ji, J Sun, Y Ren, H Qi, R Gao - Nanoscale, 2024 - pubs.rsc.org
Exogenous photoacoustic contrast agents such as gold nanoparticles are widely utilized in
photoacoustic imaging. Enhancing the photoacoustic performance of gold nanoparticles is …

High quality factor silicon membrane metasurface for intensity-based refractive index sensing

A Tognazzi, D Rocco, M Gandolfi, A Locatelli, L Carletti… - Optics, 2021 - mdpi.com
We propose a new sensing device based on all-optical nano-objects placed in a suspended
periodic array. We demonstrate that the intensity-based sensing mechanism can measure …

Ultrafast photoacoustic nanometrology of InAs nanowires mechanical properties

M Gandolfi, S Peli, M Diego, S Danesi… - The Journal of …, 2022 - ACS Publications
InAs nanowires are emerging as go-to materials in a variety of applications ranging from
optoelectronics to nanoelectronics, yet a consensus on their mechanical properties is still …

Advancing microplastic surveillance through photoacoustic imaging and deep learning techniques

M Huang, K Han, W Liu, Z Wang, X Liu… - Journal of Hazardous …, 2024 - Elsevier
Microplastic contamination presents a significant global environmental threat, yet scientific
understanding of its morphological distribution within ecosystems remains limited. This study …

Kalman filter temperature estimation with a photoacoustic observation model during the hyperthermia treatment of cancer

M Alaeian, HRB Orlande, B Lamien - Computers & Mathematics with …, 2022 - Elsevier
Hyperthermia with laser heating can be a noninvasive treatment for tumors near the body
surface. Thermal damage of tissues depends on temperature levels and time of exposure to …