Carbon dioxide laser's optical cavity structure

The utility model relates to a carbon dioxide laser's optical cavity structure can solve effectively that prior art directly scraps, the unable restoration or the limited problem of adjustable range,and the technical scheme of its solution is, including shell, electrode, fin and ceramic plate, first ceramic plate, second ceramic plate are connected with first fin, second fin respectively, are equipped with the first electrode on the first ceramic plate, are equipped with the second electrode on the second ceramic plate, are equipped with the third electrode on the first fin, are equipped withthe fourth electrode on the second fin, and first ceramic plate, second ceramic plate both ends are provided with distance light end end cover, short -distance beam end end cover respectively, and distance light end end cover, short -distance beam end end cover center all are equipped with the light -emitting window, the utility model discloses a whole detachable optical cavity structures, the mechanism that possess the l