Advances in applications of time-domain Brillouin scattering for nanoscale imaging

VE Gusev, P Ruello - Applied Physics Reviews, 2018‏ - pubs.aip.org
Time-domain Brillouin scattering is an all-optical experimental technique based on ultrafast
lasers applied for generation and detection of coherent acoustic pulses on time durations of …

[HTML][HTML] Photoacoustic 3-D imaging of polycrystalline microstructure improved with transverse acoustic waves

T Thréard, E de Lima Savi, S Avanesyan, N Chigarev… - Photoacoustics, 2021‏ - Elsevier
Non-invasive fast imaging of grain microstructure of polycrystalline ceria with sub-
micrometric spatial resolution is performed via time-domain Brillouin scattering. The …

Revealing sub-μm and μm-scale textures in H2O ice at megabar pressures by time-domain Brillouin scattering

SM Nikitin, N Chigarev, V Tournat, A Bulou… - Scientific reports, 2015‏ - nature.com
The time-domain Brillouin scattering technique, also known as picosecond ultrasonic
interferometry, allows monitoring of the propagation of coherent acoustic pulses, having …

Subsurface imaging of grain microstructure using picosecond ultrasonics

M Khafizov, J Pakarinen, L He, HB Henderson… - Acta Materialia, 2016‏ - Elsevier
We report on imaging subsurface grain microstructure using picosecond ultrasonics. This
approach relies on elastic anisotropy of crystalline materials where ultrasonic velocity …

Time-domain Brillouin imaging of sound velocity and refractive index using automated angle scanning

M Tomoda, A Kubota, O Matsuda, Y Sugawara… - Photoacoustics, 2023‏ - Elsevier
We present a picosecond optoacoustic technique for map** both the longitudinal sound
velocity v and the refractive index n in solids by automated measurement at multiple probe …

Picosecond laser ultrasonics for imaging of transparent polycrystalline materials compressed to megabar pressures

M Kuriakose, S Raetz, N Chigarev, SM Nikitin, A Bulou… - Ultrasonics, 2016‏ - Elsevier
Picosecond laser ultrasonics is an all-optical experimental technique based on ultrafast high
repetition rate lasers applied for the generation and detection of nanometric in length …

Coherent longitudinal acoustic phonons in three-dimensional supracrystals of cobalt nanocrystals

I Lisiecki, D Polli, C Yan, G Soavi, E Duval… - Nano …, 2013‏ - ACS Publications
We use broadband picosecond acoustics to detect longitudinal acoustic phonons with few-
gigahertz frequency in three-dimensional supracrystals (with face-centered cubic lattice) of 7 …

Complete elastic characterization of lithium phosphorous oxynitride films using picosecond ultrasonics

F Xu, L Belliard, D Fournier, E Charron, JY Duquesne… - Thin Solid Films, 2013‏ - Elsevier
We report on a complete elastic characterization by picosecond ultrasonics technique of
lithium phosphorous oxynitride (LiPON) thin films, which are nowadays, considered as …

Pump-probe laser ultrasonics: characterization of material microstructure

DH Hurley - IEEE Nanotechnology Magazine, 2019‏ - ieeexplore.ieee.org
In condensed-matter physics, an ultrasonic wave is defined as a collective oscillation of
atoms that compose a crystalline lattice. In this sense, ultrasonic waves are a natural choice …

Comprehensive characterization of thermal and mechanical properties in thin metal film-glass substrate system by ultrafast laser pump-probe method

X Tu, Y Zeng, S Wang, L Li, C Li, Z Wang - Optics Express, 2022‏ - opg.optica.org
Picosecond ultrasonics (PU), time-domain Brillouin scattering (TDBS), and time-domain
thermo-reflectance (TDTR) are all in-situ, non-destructive, and non-contact experimental …