Following online resources are useful for understanding of the polarization, reflection equations and ellipsometry.

• Hyperphysics → Light and Vision → Polarization

• Eric Weisstein's world of physics → Optics → Polarization and Fresnel's equations

• Wikipedia → Polarization, Fresnel's equations & Ellipsometry

• University of Colorado -- some material property value for reference

Reference book on the ellipsometry

• R.M.A. Azzam, and N.M. Bashara, Ellipsometry and Polarized Light, North Holland Press, Amsterdam 1977, Second edition, 1987.

• Tompkins, Harland G. A User's Guide to Ellipsometry. San Diego, CA: Academic Press, 1993.

• Tompkins, Harland G., and William A. McGahan. Spectroscopic Ellipsometry and Reflectometry. New York, NY: John Wiley & Sons, 1999.

• Tompkins, Harland G., and Eugene A. Irene. Handbook of Ellipsometry. Norwich, NY: William Andrew Publishing, 2005.

Reference book about models and materials

• Wooten, Frederick, Optical Properties of Solids, Academic Press, 1972.

• Rancourt, James D., Optical Thin Films User's Handbook, McGraw-Hill Publishing Company, 1987.

• Streetman, Ben G., Solid State Electronic Devices, Prentice-Hall, Inc., 1980