Vibrational ladder climbing in NO by (sub)picosecond frequency-chirped infrared laser pulses
Chem. Phys. Lett. , Volume 290 p. 75- 80
The anharmonic vibrational ladder of nitric oxide (NO) is climbed by irradiating the molecule with chirped intense (sub)picosecond infrared (IR) pulses (1max=1.0 X 1010 W/cm2). The chirp of the broadband IR (hv = 1850 cm-1, Dhv =50 cm -1) pulse from a free-electron laser is controlled by a pulse shaper. Transfer up to the excited vibrational state X2P1/2(v= 3) of NO shows a strong enhancement when the frequency chirp of the IR pulses follows the consecutive anharmonic vibrational transitions.
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Maas, D. J, Duncan, D. I, Vrijen, R. B, van der Zande, W. J, & Noordam, L. D. (1998). Vibrational ladder climbing in NO by (sub)picosecond frequency-chirped infrared laser pulses. Chem. Phys. Lett., 290, 75–80.