![]() Is directly related to the polarizability and depends on the wavelength of light. The refractive index is defined as the velocity of light in vacuum relative to the velocity in the polymer. The determination of the molecular weight,Īnd the size and shape of polymers in solutions. Measured in light scattering experiments, is needed in The specific refractive index increment (d n/d c) of dilute polymer solutions, Undergoes a second-order transition at the glass transition temperature,Īnd thus can be used to determine its value. Since it is characteristic forĮach material, it can be used for identification purposes or for the The knowledge of the refractive index is crucial in all opticalĪpplications of transparent polymers. Polymers and is widely used in material science. The refractive index ( n) is an important optical property of ![]()
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