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Gas lenses as nonlinear optical elements for laser cosmic energy systems

A global cosmic system may be used for solutions to the problems of earth energy in the near future. The present paper deals with prospects for using the various gas lenses for cosmic power systems. A reflection coefficient n dependence of the inert gases from pressure is used in the gas lenses. The refractive index n of a gas is a function of pressure and temperature. The gas lenses with general diameters 5-15 m with focal distances which are equal to the cosmic orbit heights, are discussed. For the constant laser beams the lens covers can be coated with long-lasting polymeric and no fragile materials. The gas lenses without any covers can be used for the impulse laser beams. In this case a Joule-Thomson law must be taken into account. The gas lenses can be a good concurrent for thin film mirrors in some cases, which are being considered, as analyses have shown.