Pages 6 and 7 of this handout on reflectance outlines the formulas for polarized and unpolarized light if anyone is curious:
http://web.cse.ohio-state.edu/~parent.1/classes/782/Lectures/05_Reflectance_Handout.pdf
Pages 6 and 7 of this handout on reflectance outlines the formulas for polarized and unpolarized light if anyone is curious:
http://web.cse.ohio-state.edu/~parent.1/classes/782/Lectures/05_Reflectance_Handout.pdf