New generalized analytical model of active medium and optimal resonator of CO-laser

Ivan I. Litvinov

doi:10.1117/12.518083

6 October 2003 New generalized analytical model of active medium and optimal resonator of CO-laser

Ivan I. Litvinov

Proceedings Volume 5137, International Conference on Lasers, Applications, and Technologies 2002: Advanced Lasers and Systems; (2003) https://doi.org/10.1117/12.518083
Event: International Conference on Lasers, Applications, and Technologies 2002, 2002, Moscow, Russian Federation

Abstract

We offer the simple and clear analytical mode of quasi-steady mode of active media and optimal resonator of CO-laser (COL), giving in an evident form all basic characteristics of COL. This model is similar to known (classical) model of "optimal resonator" for 4th-level media, but with essentially important differences for this new media. In this paper the new definition of unsaturated gain factor and saturation intensity is given. After that the new fundamental dependence of relative gain factor from relative resonator intensity is deduced. This dependence is essentially distinguished from the known Rigrods-formula for 4th-level meida. And at last, the new theory of the optimal resonator of COLis constructed. As the result, very simple and physically transparent dependences of characteristics COL from electrical power and other parameters were received. The model was successfully checked in experiments and showed the high efficiency. The important role of the induced (abnormal) losses in active media, resulting to the essential decrease of COL efficiency in most experiments, is revealed.

Citation Download Citation

Ivan I. Litvinov "New generalized analytical model of active medium and optimal resonator of CO-laser", Proc. SPIE 5137, International Conference on Lasers, Applications, and Technologies 2002: Advanced Lasers and Systems, (6 October 2003); https://doi.org/10.1117/12.518083

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