Title :
Dynamics of the dielectric function in fs-laser excited bismuth
Author :
Rode, A.V. ; Boschetto, D. ; Garl, T. ; Rousse, A.
Author_Institution :
Laser Phys. Centre, Australian Nat. Univ., Canberra, ACT
Abstract :
Time-resolved study of the dielectric function of femtosecond laser excited bismuth demonstrates that excitation of coherent phonons leads to a solid-plasma phase transition, and into a quasi-stable excited state lasting up to 4 ns.
Keywords :
bismuth; excited states; high-speed optical techniques; permittivity; phonons; Bi; coherent phonons; dielectric function; femtosecond-laser excited bismuth; quasistable excited state; solid-plasma phase transition; time 4 ns; time-resolved study; Atom optics; Bismuth; Dielectric measurements; Laser excitation; Phonons; Probes; Pulse measurements; Reflectivity; Solid lasers; Ultrafast optics; (320.7130) Ultra-fast processes in condensed matter;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
