Abstract
A synchronously mode-locked dye laser-amplifier combination and a Mach-Zehnder interferometer are used to produce phased picosecond pulse sequences of 1-mJ energy at a rate of 10 pps. The nonlinear transmission, fluorescence, multi-photon ionization, and harmonic generation are investigated as a function of the relative phase and delay of the pulse sequences. Even when the delay between the two pulses of the sequence exceeds the pulse duration, the signals still depend on the relative phase of the pulse with a periodicity characteristic of the coherent multiphoton resonance being investigated.
© 1986 Optical Society of America
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