Measurements of transversehyphen;gain profiles in rfhyphen; and dchyphen;excited CO2gain cavities

摘要

Spatially resolved transversehyphen;gain profile measurements have been made in rfhyphen; and dchyphen;excited waveguidelike cavities for CO2laser gas mixtures. Both current density and gas temperature impact the CO2gain profile. As measured, transversely rfhyphen;excited cavities show higher CO2gain near the wall boundaries when compared to longitudinally dchyphen;excited cavities. We propose that transversehyphen;rf excitation may be inherently better than dchyphen;longitudinal excitation in producing a higher average spatial gain, owing to more uniform current density pumping.