Degenerate Four-Wave Mixing in SO2 in Free Jets

  • A rotational excitation spectrum of SO2 A 1A2 (511) ← X1A1 (000) at about 33331 cm-1 in free jets was observed by using the forward degenerate four wave mixing (DFWM). Twelve lines of the G band and eleven ones of the E band were marked based on the rotational constants according to Hamada's result Can. J. Phys. 53 (1975) 2555. The relation between the DFWM signal intensity and the pressure of the buffer gas in free-jets was experimentally investigated.

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