Abstract

Through the utilization of a generalized computer code that calculates the minimum reactive branching ratio required for a species to display optical gain, a parametric study was performed to ascertain which properties of the electronic potential curves of a heteronuclear diatomic molecule have the greatest effect on the suitability of that molecule as a potential electronic transition laser. The results of this study demonstrate that diatomic systems separate into different classes when the question of the minimum required reactive branching ratio is confronted. This separation of molecular systems was translated through the use of compiled molecular constants into a determination of which vibrational-level distribution class is most favorable for specific heteronuclear diatomic molecules to display optical gain; potential laser candidates were pointed out. In addition, a generalized gain equation for electronic transitions heteronuclear diatomic molecules that takes into account both rotational and vibrational partitioning was derived.

© 1975 Optical Society of America

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