Аннотация:At present intensive investigations on developing the effective electric discharge singlet oxygen generator (EDSOG) for oxygen-iodine laser (OIL) are carried out. For the last five years the gain and laser power have been increased about 80 times from the moment of the first demonstration of generation due to improvement of EDSOG using transverse RF-discharge (81 MHz). But to date there is a problem of low efficiency (≤1{\%}) of energy transfer from SO to iodine atoms in this system. The detailed analysis of the processes in OIL with EDSOG influencing on gain and gas temperature was performed on developed two-dimensional self-consistent gas-dynamic model with detailed chemistry for subsonic flow case. The simulations were in good agreement with experimental data. The goal of this work was to find OPTIMAL conditions for the continuous regime for the OIL with EDSOG utilized in at pressure P=10 Torr..