Optical Properties
The optical dispersion of fused silica can be approximated by the following Sellmeier equation:
where the wavelength is measured in micrometers. This equation is valid between 0.21 and 3.71 micrometers and at 20 °C. Its validity was confirmed for wavelengths up to 6.7 m. Experimental data for the real (refractive index) and imaginary (absorption index) parts of the complex refractive index of fused quartz reported in the literature over the spectral range from 30 nm to 1000 m has been reviewed by Kitamura et al. and are available online.
Read more about this topic: Fused Quartz
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