Das Haidinger-Büschel als Urphänomen der Polarisationserscheinungen
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Abstract:
Since Wilhelm Haidinger discovered the phenomenon of the «brush» which is named after him in 1844, there can be no doubt that human vision comprizes an additional sense for the orientation of a so called polarized luminance. In this paper the physical conditions under which Haidinger’s Brush is to be observed in tranparent or reflective media are described in detail.
Furthermore it will be shown how Goethe’s work on «entoptic colour», Steiner’s concept of the U-Region and modern physiological and natural science touch on a mutual ground that is to be characterized by Haidinger’s Brush appearing. The whole extent of circumstances which have its observation in common, distinguish it as a higher phenomenon among others, that it is the primary phenomenon of polarization.