Zhihong Li

4 Questions 9 Answers 0 Followers

Questions related from Zhihong Li

Is it possible to calculate complex refractive index of multi-layer graphene using the Kubo formula?

Hi, there. Is it possible to calculate the conductivity and complex refractive index of multi-layer (e.g., over 100 layers) graphene using the Kubo formula? Some reports show that the Kubo formula...

06 June 2019 3,388 5 View

Can the conductivity and refractive index of the graphene oxide be calculated by using the Kubo formula?

Hi there, I want to get the conductivity of the graphene oxide (GO). Can the conductivity and complex refractive index of monolayer or even multi-layer GO be calculated by using the Kubo formula?...

01 January 2019 9,435 4 View

Is it possible to calculate the coupling coefficient of two modes of optical fiber using COMSOL?

I want to simulate the long period fiber grating (LPFG) using COMSOL. I have got the mode field profile of the core mode and cladding modes. However, it seems that calculating the coupling...

03 March 2015 7,901 6 View

Is the Fresnel equations suitable for ultra-thin film with thickness smaller than the penetration depth?

Hi, The Fresnel equations can be used to calculate the reflectivity and transmissivity of thin film like metal film sandwiched between air and substrate (glass). But if the thickness of the...

01 January 1970 3,208 2 View