Abstract
In the manufacture of the components of the fiber-optics data transmission systems (i.e. optic fibers, optic connector, switches, couplers, etc.) it is necessary that the distribution of the optic-fiber radiation intensity should be analyzed to establish the components' geometric and optical characteristics. The specificity of solving the given problem is determined by several factors: firstly, the transversal dimension of the radiating aperture is compared to the propagating wavelength; secondly, the measured equipment and techniques can be adequate to measure the field distribution and thirdly, the numerical procedures for measurements data processing is applicable to these conditions. The quality of performing technological operations is largely dependent upon the precision of reproducing, the optical-field distribution in critical planes of a section. Normally, far- and near-field methods are used to directly measure the intensity distribution. Scanning of the field distribution is done by means of multicomponent photoreceivers (linear or matrix type photosensitive charge-coupled devices or by the small-size photoreceiver where is moved by precision micromotion. Under information inspection of the photoreceiver, the researcher deals not with the real optic-field distribution with regard to the section, that is interest to him.
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