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Rb2 diffuse band emission excited by diode lasers

We investigated collisional processes involved in the population of the Rb2 diffuse band through resonant excitation of Rb atoms. Near-infrared (780 nm) and violet (420 nm) diode lasers were used for the Rb first (5 2S1/2 → 5 2P3/2) and second (5 2S1/2 → 6 2P3/2) resonant doublet excitations. Laser induced fluorescence spectra were detected and investigated at different rubidium densities, buffer gas pressures and excitation wavelengths.

Rb diffuse bands; diode lasers; photodissociation; fluorescence

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