Abstract
A six-temperature dynamic model, modified in terms of vibrational-rotational transitions, has been used to describe the dynamic processes in TEA CO2 lasers. Significant improvement in the predicted laser characteristics was obtained, taking into account the CO2 molecules vibrational-rotational transitions. The coupled differential equations were numerically solved by the fourth order Runge–Kutta method. The simulated output characteristics of the laser have been compared with simple vibrational dynamics model and experimental data due to a homemade TEA CO2 laser. It has been found that the best agreement with experimental results regards to the vibrational-rotational dynamic model.
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