Title :
Femtosecond lattice dynamics in photoexcited bismuth: Ultrafast optical and x-ray measurements
Author :
Fritz, D.M. ; Adams, B. ; Blome, C. ; Bucksbaum, P.H. ; Cavalieri, A. ; Engemann, S. ; Fahy, S. ; Fuoss, P.H. ; Gaffney, K.J. ; Hillyard, P. ; Kaspar, J. ; Lindenberg, A.M. ; Lee, S.H. ; McFarland, B. ; Meyer, D. ; Murray, E. ; Nicoul, M. ; Pahl, R. ; Rud
Author_Institution :
Dept. of Phys., Univ. of Michigan, Ann Arbor, MI
Abstract :
We investigate high amplitude coherent optical phonon dynamics in bismuth through femtosecond X-ray and optical scattering. From these experiments, we present the first detailed measurements of changes in the interatomic potential following high-density photoexcitation.
Keywords :
X-ray scattering; bismuth; high-speed optical techniques; phonons; photoexcitation; Bi; bismuth; coherent optical phonon dynamics; femtosecond X-ray scattering; femtosecond lattice dynamics; femtosecond optical scattering; high-density photoexcitation; interatomic potential; Bismuth; Lattices; Optical pulses; Optical pumping; Optical scattering; Optical sensors; Phonons; Pump lasers; Ultrafast optics; X-ray lasers; (300.6530) Spectroscopy, ultrafast; (320.7130) Ultrafast processes in condensed matter, including semiconductors;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628951