1. A. N. Lobanov and A. F. Suchkov, Kvantovaya Elektron. (Moscow) 1, 1527 (1974) [Sov. J. Quantum Electron. 4, 843 (1974)].
2. V. Vitteman, CO 2 Lasers [Russian trans.], Mir, Moscow (1990).
3. G. A. Mesyats, V. V. Osipov, and V. F. Tarasenko, Pulsed Gas Lasers (SPIE Press, Washington, 1995).
4. R. C. Lind, G. Y. Wada, C. I. Dunming et al., IEEE J. Quantum Electron. QE-10, 818 (1974).
5. J. S. Levin and A. Javan, Appl. Phys. Lett. 22, 55 (1973).