Sellmeier Equation
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High Quality Content by WIKIPEDIA articles! The Sellmeier equation is an empirical relationship between refractive index and wavelength for a particular transparent medium. The equation is used to determine the dispersion of light in the medium. It was first proposed in 1871 by W. Sellmeier, and was a development of the work of Augustin Cauchy on Cauchy's equation for modelling dispersion.where n is the refractive index, is the wavelength, and B1,2,3 and C1,2,3 are experimentally determined Sellmeier coefficients. These coefficients are usually quoted for in micrometres. Note that this is the ...
High Quality Content by WIKIPEDIA articles! The Sellmeier equation is an empirical relationship between refractive index and wavelength for a particular transparent medium. The equation is used to determine the dispersion of light in the medium. It was first proposed in 1871 by W. Sellmeier, and was a development of the work of Augustin Cauchy on Cauchy's equation for modelling dispersion.where n is the refractive index, is the wavelength, and B1,2,3 and C1,2,3 are experimentally determined Sellmeier coefficients. These coefficients are usually quoted for in micrometres. Note that this is the vacuum wavelength; not that in the material itself, which is /n( ). A different form of the equation is sometimes used for certain types of materials, e.g. crystals.
