Experimental setup for investigating the laser emission and the chemical structure of .
Spectral and temporal dynamics for excitation spot sizes of (a), (b) and (c),(d). Spectra in (a) and (c) are offset for clarity, pulse dynamics are normalized.
Shortest pulses from different excitation spot sizes.
Theoretical plots of photon density for initial population inversions of (i) , (ii) , and (iii) .
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