Refractive Index Of Acrylic Sheet

Many materials have a well characterized refractive index but these indexes depend strongly upon the frequency of light.

Refractive index of acrylic sheet. When refractive index surface reflectance and absorbance of the sheet are known the designer can create displays that appear to be self illuminated. With using refractometer kpr 300 we can know the relation between refractive index and wavelength δn δλ by multi wavelength measurement. Cargille acrylic matching liquid characteristics. Each material in the database has refractive index listed as a function of wavelength over a range typically required for thin film thickness measurement.

The optical properties of plexiglas sheet make it ideal for edge lighting applications. Conditions spec sheet temperature. Refractive index 1 57 astm d 542 haze 1 0 astm d 1003 electrical dielectric constant 1 khz 2 6 astm d 150 dielectric 1 mhz 2 4 astm d 150 dielectric strength 410 v mil astm d 149 recycle code 2 polyethylene terephthalate glycol modified. The table below contains links to refractive index data for common materials.

To make the most effective and efficient use of edge lighted acrylic shapes fabricators. Data expressions for n csv comma separated txt tab separated full database record optical transmission calculator. Standard refractive index measurements are taken at the yellow doublet sodium d line with a wavelength of 589 nanometers. There are also weaker dependencies on temperature pressure stress etc as well on precise material compositions presence of dopants etc.

This page shows the results of measuring the refractive index with three wavelengths d line c line f line of acrylic resin pmma molded aspheric lens. Kpr 300 can also measure resin samples that cannot be processed and be measured.