How ?please intoduce some paper

HI

you can use this paper

This paper provides greater detail of the variations caused by thickness

http://www.accurion.com/sales-support/downloads/application-notes/applicationnote_graphene.pdf

thank you everyone

Hi！Did you have the detailed answer for your question? Could you share the answer for us? Thank you!

the refractive index of GO is 1.96. it depends on the thickness of the film 

Also depends strongly on wavelength and slightly on temperature. The material is anisotropic and thus the x, y, or z axis needs to be specified.