During the dynamics process of KrF laser pumped by electronic beams,the energy has been converted from the high-current pumping electronics beam to the one deposited in the laser medium,and then to another one in the amplifier which being extracted out in the form of light through amplified spontaneous or the stimulated During the dynamics process of KrF laser pumped by electronic beams, the energy has been converted from the high-current pumping electronics beam to the one one deposited in the laser medium, and then to another one in the amplifier of light through amplified spontaneous or the stimulated