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Optical rotation, also known as polarization rotation or circular birefringence, is the rotation of the orientation of the plane of polarization about the optical axis of linearly polarized light as it travels through certain materials.
The light travel time effect is defined as the differences that occur in the periodic eclipses of binary stars when they are disturbed by another massive object.. The periods of the orbits in an undisturbed eclipsing binary star system stay relatively stable, since the center of mass does not change in position.
Light, or more generally an electromagnetic wave, carries not only energy but also momentum, which is a characteristic property of all objects in translational motion. The existence of this momentum becomes apparent in the "radiation pressure " phenomenon, in which a light beam transfers its momentum to an absorbing or scattering object, generating a mechanical pressure on it in the process.
The apparent lateral motion across the surface of the Moon is a result of the light source moving through some angular rotation, not superluminal motion across its surface. The angular motion of the source creates a translation of the image projected on the Moon, proportional to the distance between the screen (which in this case is Moon) and ...
Michael Faraday holding a piece of glass of the type he used to demonstrate the effect of magnetism on polarization of light, c. 1857.. By 1845, it was known through the work of Augustin-Jean Fresnel, Étienne-Louis Malus, and others that different materials are able to modify the direction of polarization of light when appropriately oriented, [4] making polarized light a very powerful tool to ...
The anisotropy of the magneto-optic material permittivity causes a difference in the speed of LHCP and RHCP light, which will cause a change in the angle of polarized light. Materials that exhibit this property are known as birefringent. From this rotation, we can calculate the difference in orthogonal velocity components, find the anisotropic ...
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Spin is the fundamental property that distinguishes the two types of elementary particles: fermions, with half-integer spins; and bosons, with integer spins. Photons, which are the quanta of light, have been long recognized as spin-1 gauge bosons. The polarization of the light is commonly accepted as its “intrinsic” spin degree of freedom ...