Ballistic Thermal Transport at Sub‐10 nm Laser‐Induced Hot Spots in GaN Crystal (Adv. Sci. 2/2023)
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202204777
Abstract: Ballistic thermal transport at nanoscale hotspots will greatly reduce the performance of a Gallium nitride (GaN) device when its characteristic length reaches the nanometer scale. In this work, the authors develop a tip‐enhanced Raman thermometry… read more here.
Keywords: transport sub; ballistic thermal; sub laser; thermal transport ... See more keywords
Nano-dispersion-scan: measurement of sub-7-fs laser pulses using second-harmonic nanoparticles.
Sign Up to like & getrecommendations! Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.004921
Abstract: We demonstrate the measurement and retrieval of sub-7-fs laser pulses from a broadband Ti:Sa oscillator using ensembles of commercially available second-harmonic nanoparticles (NPs) and dispersion scan (d-scan). Scattering adds an incoherent component to the d-scan… read more here.
Keywords: dispersion scan; laser pulses; measurement; sub laser ... See more keywords
Sub-ps Laser Deposited Copper Films for Application in RF Guns
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16031267
Abstract: Copper thin films are intended to serve as a cover layer of photocathodes that are deposited by ablating copper targets in a high vacuum by temporally clean 600 fs laser pulses at 248 nm. The… read more here.
Keywords: copper; laser; copper films; sub laser ... See more keywords