A novel heater with a metal pipe was designed which is used encircling the discharge tube of a CuBr laser, resulting in homogeneous distribution of axial temperature.
设计了一种新颖的金属筒式加热器，使气体激光放电管轴向温度分布均匀。
2
It USES steam or electric heater as heating resource and USES axial fan, heat exchanger to heat air in convective way.