polarization measurements

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• Dual polarization interferometry — (DPI) is an analytical technique that can probe molecular scale layers adsorbed to the surface of a waveguide by using the evanescent wave of a laser beam confined to the waveguide. Typically used to measure the conformational change in proteins… …   Wikipedia

• Circular polarization — The electric field vectors of a traveling circularly polarized electromagnetic wave. In electrodynamics, circular polarization[1] of an electromagnetic wave is a polarization in which the electric field of the passing wave does not change… …   Wikipedia

• Orthogonal polarization spectral imaging — is a method for imaging small blood vessels[1] in tissue like the nail bed or lip. It uses a light source of linearly polarized light with a wavelength of 550 nanometers, the isobestic point for hemoglobin, thus imaging the erythrocytes as they… …   Wikipedia

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• Photoelastic modulator — A photoelastic modulator (PEM) is an optical device used to modulate the polarization of a light source. The photoelastic effect is used to change the birefringence of the optical element in the photoelastic modulator. PEM was first invented by J …   Wikipedia

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• EPR paradox — In quantum mechanics, the EPR paradox is a thought experiment which challenged long held ideas about the relation between the observed values of physical quantities and the values that can be accounted for by a physical theory. EPR stands for… …   Wikipedia

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