Abstract
The entrainment of the light flux by a uniaxial anisotropic medium and its influence on the measurement of stellar aberration are analyzed. The influence of the entrainment of the light flux by an isotropic medium on the measurement of stellar aberration was considered by Fresnel early. The absence of such influence was confirmed by Erie's experience when filling the telescope tube with water. The formula itself was perfectly confirmed by Fizeau's experiments with moving water and the repetition of this experiment with an increase in the accuracy of measurements by Michelson, Zeeman, and others. G.A. Lorentz already on the basis of the electromagnetic theory specified the formula with allowance for the frequency dispersion of the light flux. A. Einstein made an analysis of the schemes of experiments for determining the drag coefficient, covering all possible variants of similar experiments. As a result, he obtained Fresnel and Lorentz formulas, taking into account the frequency dispersion of light, starting from the theory of relativity. The entrainment of light and its influence on the measurement of stellar aberration by a uniaxial anisotropic medium have not been considered anywhere. An analysis of such influence is carried out. The results of the analysis indicate the possibility of measuring the current value of stellar aberration using a uniaxial anisotropic medium. The concept of active light aberration is introduced. The proposed schemes of experiments of using the entrainment of a light flux by an anisotropic substance for measuring the current value of stellar aberration are investigated. It is concluded that it is possible to study the determination of the current velocity of an inertial system relative to the light flux.
Highlights
Аналізується захоплення потоку світла одновісним анізотропним середовищем та його вплив на виміри зіркової аберації
In the telescope filled with isotropic medium the light flux gets refracted at the exit in to the telescope, but because of the transverse carrying away of the medium moving which is moving together with the telescope the refraction angle gets compensated, the light flux does not change the direction of its propagation and the telescope has to be deflected by the same aberration angle
When observing through the telescope filled with optically anisotropic medium by means of extraordinary light beams the aberration angle differs from the aberration angle when observing through filled telescope or telescope filled with isotropic medium
Summary
The entrainment of the light flux by a uniaxial anisotropic medium and its influence on the measurement of stellar aberration are analyzed. Аналізується захоплення потоку світла одновісним анізотропним середовищем та його вплив на виміри зіркової аберації. Вплив захоплення потоку світла оптично ізотропним середовищем на виміри зіркової аберації було розглянуто ще Френелєм. Захоплення потоку світла та його вплив на виміри зіркової аберації одновісним анізотропним середовищем з одною оптичною віссю ще ніде не розглядалося. Досліджені запропоновані схеми дослідів застосування захоплення потоку світла одновісним анізотропним середовищем для виміру поточного значення зіркової аберації. Анализируется увлечение светового потока одноосной анизотропной средой и его влияние на измерение звездной аберрации. Влияние увлечения светового потока изотропной средой на измерение звездной аберрации было рассмотрено еще Френелем. Einstein made anal by sis based on relativity theory of three scheme variants of experiments on determination of carrying away coefficient embracing all possible variants of similar experiments As a result, he obtained Fresnel and Lorentz formulae with the account of light frequency dispersion. The main purpose of this work is to study the effect of the partial entrainment of a light flux by an optically anisotropic uniaxial substance on the measurement of stellar aberration
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