Rf excited all metal gas laser

Abstract From the Canadian patent

Abstract of the Disclosure All metal RF excited gas lasers employing organic or inorganic insulating material including polyimide and aluminum oxide to provide a structurally homogeneous laser capable of low cost fabrication and broad temperature ranges suitable for military and commercial applications. A particularly novel embodiment employs an extruded housing and finned electrodes and relies almost solely upon gas convection and gas conduction cooling obviating compression heat sinking. The latter embodiment permits gas flow between the lawer cqavity and tube gas chambers through elongated gaps or spaces at the corners of the cavity. Periodically spaced insulator guides support the …