Title :
Two-photon photoemission can map femtosecond-lived unoccupied bulk states
Author :
Dadap, J.I. ; Hao, Zhaofeng ; Knox, K. ; Yilmaz, M. ; Zaki, N. ; Osgood, R.M. ; Johnson, P.D.
Author_Institution :
Center for Integrated Sci. & Eng., Columbia Univ., Columbia, NY, USA
Abstract :
We use a tunable 100-fs UV source to demonstrate angle-resolved two-photon photoemission band mapping of bound but unoccupied bulk bands, viz. Cu sp-band. The strong optical pumping overcomes the femtosecond lifetime of this bulk feature.
Keywords :
Electrons; Nonlinear optics; Optical pulse generation; Optical pulses; Optical scattering; Photoelectricity; Pulse amplifiers; Tunable circuits and devices; Ultrafast electronics; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
