Diffractive optics of composite laser systems

Anatoly P. Napartovich; O. V. Apollonova; Nickolai N. Elkin; V. ok Korotkov; V. E. Troshchieva; Vera N. Troschieva

doi:10.1117/12.58951

1 June 1992 Diffractive optics of composite laser systems

Anatoly P. Napartovich, O. V. Apollonova, Nickolai N. Elkin, V. ok Korotkov, V. E. Troshchieva, Vera N. Troschieva

Proceedings Volume 1625, Design, Modeling, and Control of Laser Beam Optics; (1992) https://doi.org/10.1117/12.58951
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

Composite laser systems including 3-mirror resonator, oscillator-amplifier, and optically coupled lasers, are widely used in laser physics and design. It is necessary to predict the characteristics of these systems with high accuracy. To do this, the diffractive numerical codes were developed which describe the self-consistent propagation of laser beams in a nonlinear active medium. The problem of mathematical simulation of a laser with composite optical resonators will be discussed. The results will be presented for the following systems: injection locked laser, oscillator-amplifier, laser having 3-mirror resonator to achieve line selection, and two optically-coupled lasers. The known optical calculation problem of divergent iterative procedures is solved. As a result, the stability limits of single mode lasing can be found exactly by diffractive numerical calculations. Some examples of calculated dependencies of the critical active medium parameters on the optical system characteristics will be presented. The programs developed are modular in structure, so the type of laser system and active medium can be varied independently. The results will be presented for the CO2 laser and for the medium with saturated gain. An optical system may have any symmetry, including plane and circular symmetry.

Citation Download Citation

Anatoly P. Napartovich, O. V. Apollonova, Nickolai N. Elkin, V. ok Korotkov, V. E. Troshchieva, and Vera N. Troschieva "Diffractive optics of composite laser systems", Proc. SPIE 1625, Design, Modeling, and Control of Laser Beam Optics, (1 June 1992); https://doi.org/10.1117/12.58951

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