SPIE Proceedings [SPIE Twelfth International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference - St. Petersburg, Russia (Monday 31 August 1998)] XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference - Theoretical optimization of power performance of the master oscillator-power amplifier system using cw HF chemical lasers and laser beam-director telescope with nonlinear optical compensation for distortion