The area scaling in a nitrogen (N2: 337.1 nm) laser excited by the sim
ilar longitudinal discharges in single- and multichannel laser structu
res has been experimentally studied. The results demonstrate the capab
ility of the area scaling method for increasing the average power and
pulse-repetition frequency (PRF) of the laser. The variation of the la
ser output with the channel area and the effects of similar discharges
are analyzed.