Multi-Joule pulses from a sequence band transversely excited atmospheric CO2 laser

Abstract
We have used an in‐cavity hot CO2 cell to convert a conventional transversely excited atmospheric (TEA) CO2 laser to operation on the 00 °2 sequence transitions. Careful cavity design enables us to attain efficient energy extraction. Output energies of 6 J per pulse have been obtained from a nonselective cavity, while a grating‐tuned cavity produces numerous sequence lines having output energies in excess of 2 J per pulse.

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