To adjust the spectrum correction factor

Adjust the spectrum correction factor to achieve more accurate birefringence results.

1. Select (Home tab > Molding Process Setup panel > Select Material). The Select Material dialog appears.
2. Choose a material with measured optical properties (refractive index, stress-optical coefficients, viscoelastic retardation spectrum).
3. Click Manufacturer and select the manufacturer of the required material.
4. Click Trade name and select the trade name of the required material.
5. Click Details. The Thermoplastics materials dialog appears.
6. Select the Optical Properties tab and locate the Spectrum correction factor field.
7. Enter a value into the Spectrum correction factor field.
8. Click OK.