, 2017 The resolution of photoacoustic imaging deep inside scattering media is limited by the acoustic diffraction limit. In this work, taking inspiration from super-resolution imaging techniques developed to beat the optical diffraction limit, we demonstrate ...
Arnal, Bastien +2 more
core +3 more sources
Open photoacoustic cell for concentration measurements in rapidly flowing gas [PDF]
, 2023 High temporal resolution concentration measurements in rapid gas flows pose a serious challenge for most analytical instruments. The interaction of such flows with solid surfaces can generate excessive aero-acoustic noise making the application of the ...
Balogh Miklós +7 more
core +1 more source
Spatio-temporal coherent control of thermal excitations in solids
, 2017 X-ray reflectivity (XRR) measurements of femtosecond laser-induced transient gratings are applied to demonstrate the spatio-temporal coherent control of thermally induced surface deformations on ultrafast timescales.
Bargheer, Matias +11 more
core +1 more source
Depolarized guided acoustic wave Brillouin scattering in hollow-core photonic crystal fibers
, 2015 By performing quantum-noise-limited optical heterodyne detection, we observe polarization noise in light after propagation through a hollow-core photonic crystal fiber (PCF).
Elser, Dominique +5 more
core +1 more source
Formation and dissolution of microbubbles on highly-ordered plasmonic nanopillar arrays [PDF]
, 2015 Bubble formation from plasmonic heating of nanostructures is of great interest in many applications. In this work, we study experimentally the intrinsic effects of the number of three-dimensional plasmonic nanostructures on the dynamics of microbubbles ...
Bao, Lei +4 more
core +3 more sources
Super-resolution photoacoustic imaging via flow induced absorption fluctuations
, 2017 In deep tissue photoacoustic imaging the spatial resolution is inherently limited by the acoustic wavelength. We present an approach for surpassing the acoustic diffraction limit by exploiting temporal fluctuations in the sample absorption distribution ...
Arnal, Bastien +4 more
core +3 more sources
Forward model for quantitative pulse-echo speed-of-sound imaging [PDF]
, 2019 Computed ultrasound tomography in echo mode (CUTE) allows determining the spatial distribution of speed-of-sound (SoS) inside tissue using handheld pulse-echo ultrasound (US).
Frenz, Martin +3 more
core +2 more sources
Strategies for Enhancing Thermal Conductivity of PDMS in Electronic Applications
Advanced Materials Technologies, EarlyView.This review explores effective strategies for enhancing heat dissipation in Polydimethylsiloxane (PDMS)‐based composites, focusing on particle optimization, 3D network design, and multifunctional integration. It offers key insights into cutting‐edge methods and simulations that are advancing thermal management in modern electronic devices.
Xiang Yan, Marisol Martin‐Gonzalez
wiley +1 more source
Quartz-enhanced photoacoustic spectroscopy exploiting low-frequency tuning forks as a tool to measure the vibrational relaxation rate in gas species [PDF]
, 2021 We demonstrated that quartz-enhanced photoacoustic spectroscopy (QEPAS) is an efficient tool to measure the vibrational relaxation rate of gas species, employing quartz tuning forks (QTFs) as sound detectors.
Dello Russo, Stefano +9 more
core +1 more source
Ultrafast filtered back-projection for photoacoustic computed tomography
Biomedical Optics ExpressThe filtered back-projection (FBP) algorithm is widely used in photoacoustic computed tomography (PACT) for image reconstruction due to its simplicity and efficiency. Yet, the real-time processing of high-speed PACT data remains challenging for regular FBP implementations.
Songde Liu +4 more
openaire +2 more sources