SU148117A1 - Amplifier of electromagnetic waves of the light range - Google Patents

Description

AMPLIFIER ELECTROMAGNETIC WAVES LIGHT

It was filed on August 5, 1961 No., 740976 / 26-9 to the Committee on Inventions and Discoveries under the Council of Ministers of the USSR

Published in the Bulletin of inventions number 12 for 1962.

Known amplifiers of electromagnetic waves in the light range with multiple passage of the amplified signal through the medium. The imbalance of the medium is maintained by the pumping system.

In the proposed amplifier, in order to expand the experimental possibilities in measurements, the amplifier is made in the form of an annular closed dielectric fiber waveguide. Each fiber inside the waveguide has a small or negative absorption coefficient AND a shell with a reduced dielectric constant. The input and output of energy from the waveguide or into it is carried out with the help of optically coupled optical fibers, the dielectric waveguide / s adjacent to it on the optical link shows the proposed amplifier.

The proposed amplifier is a closed circular dielectric waveguide / with a channel 2 adjacent to it at the optical contact for photon input and the same channel 3 for photon output. Both of these channels can be disconnected from the ring waveguide by breaking the optical contact.

Some parts of the waveguide d, d d, etc. can be retractable, connected by optical contact along the plane of the connector with the main ring waveguide. These elements pushed into the waveguide are used to exert a photon flux on the elements placed in it and to transfer external influences on the photon flux circulating in the waveguide. In these areas, measuring elements are placed to monitor the parameters of the circulating flow, polarizers, greasers, and lasers are applied to the photon flux.

The design of the ring waveguide provides for minimal losses of the photon flux circulating in it. For this, the waveguide is made of a dielectric material with a minimum DIAPANASE ratio

No. 148117-2 by the absorption of photons or with a negative absorption coefficient of radiation, which is achieved by using special sorts of luminescent glasses or other transparent substances with the addition of additional excitation energies to them.

In the case of a large cross section, the waveguide is advisable to be made of an optically transparent substance, in which the refractive index gradually increases from the channel axis to the periphery. Moreover, the outer shell of the channel must be made of a substance with a low refractive index. In this case, the photon beam is concentrated along the axial line of the waveguide, resulting in total internal reflection from the outer shell of the channel.

A waveguide of small cross section is made of the glassy mass of a transparent dielectric with a diameter of several wavelengths of the investigated radiation.

Such a transparent fiber must be surrounded by a dielectric sheath with a lower refractive index (i.e., with a lower dielectric constant) in order to create conditions for total internal reflection for electromagnetic radiation propagating inside the fiber. Naturally, a powerful waveguide must be assembled from a large number of such fibers.

Subject invention

An amplifier of electromagnetic waves of the light range with repeated passage of an amplified signal through a medium, a non-equilibrium state of which is maintained by a pumping system, characterized in that, in order to expand the experimental possibilities in the measurements, it is made in the form of an annular closed dielectric fiber waveguide, each of which fibers are inside has a small or negative absorption coefficient and is provided with a shell with a reduced dielectric constant, with input and the output of energy is carried out with the help of optically contacted optical fibers.

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