Title :
Visualizing Coherent phonon propagation in the 100 GHz range: A broadband picosecond acoustics approach
Author :
Ferrante, C. ; Pontecorvo, E. ; Polli, D. ; Cerullo, G. ; Scopigno, T.
Author_Institution :
Dipt. di Fis., Univ. Roma Sapienza, Rome, Italy
Abstract :
Building on a kHz Ti:sapphire source, we developed a novel pump-probe setup for broadband picosecond acoustics using a white-light continuum probe coupled to an optical multichannel analyser to take snapshots of phonon dynamics.
Keywords :
acoustic measurement; acoustic wave effects; high-speed optical techniques; light sources; optical pumping; phonons; pulse height analysers; sapphire; solid lasers; titanium; Al2O3:Ti; Ti:sapphire source; broadband picosecond acoustics; coherent phonon propagation; frequency 100 GHz; optical multichannel analyser; phonon dynamics; pump-probe setup; white-light continuum probe; Acoustics; Broadband communication; Optical attenuators; Optical pumping; Optical scattering; Phonons; Probes;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6