Semiclassical theory of rectangular waveguide gas lasers

Autor: Er Jun Zang, Nai-Cheng Shen, Hongjun Cao, Mingchen Zhong
Rok vydání: 1999
Předmět:
Zdroj: IEEE Journal of Quantum Electronics. 35:682-689
ISSN: 0018-9197
DOI: 10.1109/3.753674
Popis: The semiclassical theory for gas lasers is extended from one dimension into three. Self-consistency equations of a rectangular waveguide resonator and the component equations of motion for the population matrix are derived. Laser parameters related to the waveguide structure and active medium are analyzed by solving the equations. For homogeneously broadened lasers, theoretical investigation shows that single-mode operation depends on the waveguide dimensions, the most probable speed of the active medium, and the decay constants or the saturation parameter. Under some conditions, the oscillating modes can be determined by the frequency interval and the relative excitation.
Databáze: OpenAIRE