Abstract
Tunable properties of optically pumped FIR lasers have been studied on the basis of sixlevel quantum system approach. The signal flow graph method was used to solve the density matrix equations. A set of tuning characteristic curves has been obtained in good agreement with the experimental results for optically pumped HF FIR lasers given by A. de Martino et al.
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Yikun, L., Bingshen, Q., Di, G. et al. Theory of tunable FIR laser. Int J Infrared Milli Waves 3, 553–566 (1982). https://doi.org/10.1007/BF01007049
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DOI: https://doi.org/10.1007/BF01007049