Title :
Large amplitude modulation of high-order harmonic generation from vibrationally excited molecules
Author :
Li, W. ; Zhou, X.B. ; Lock, R. ; Wagner, N. ; Kapteyn, H.C. ; Murnane, M.M. ; Patchkovskii, S. ; Stolow, A.A.
Author_Institution :
Dept. of Phys. & JILA, Univ. of Colorado & NIST, Boulder, CO
Abstract :
We observe large vibrationally-induced modulations in high order harmonic conversion in N2O4. We explain this unexpected result as due to the changing electronic structure induced by the vibration, leading to preferential emission at the outer turning point of the vibration.
Keywords :
nitrogen compounds; optical harmonic generation; optical modulation; vibrational modes; N2O4; electronic structure; emission; high-order harmonic generation; large amplitude modulation; vibrationally excited molecules; Amplitude modulation; Electrons; Frequency conversion; Laser excitation; Nonlinear optics; Nuclear electronics; Optical harmonic generation; Probes; Stimulated emission; Turning; (320.6530) Ultrafast spectroscopy; (320.7120) Ultrafast phenomena;
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
