Optically cascaded pulsed DF chemical laser

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Abstract
The optical extraction efficiencies and temporal characteristics of a pulsed optically cascaded SF6+D2 chemical laser are presented. It is shown that the directly coupled cascade P3(7) →P2(8) →P1(9) yields approximately 53% of the total multiline energy, while the rotationally coupled cascade P3(6) →P2(8) →P1(10) and the mixed cascade P3(6) →P2(8) →P1(9) are slightly less efficient. Cavity parameters, relative emission strengths, and natural delay times for oscillation of P lines are shown to have a strong influence on the total peak power.