Can anyone help me in calculating real and imaginary part of dielectric constant from reflectance spectra

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Babatunde James Falaye

This could be useful

https://www.google.com.mx/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjH46K8g-nUAhXKbj4KHcYfB4gQFggkMAA&url=http%3A%2F%2Fwww.academia.edu%2F3602420%2FEffect_of_Annealing_on_the_Structural_and_Optical_Properties_of_Nanostructured_TiO2_Films_Prepared_by_PLD&usg=AFQjCNHgKs_gtozFsGX3HMhUx4d73XPZtA

Raed Ahmad

This is might be useful. Please read the attached file.

Navas Mp

Thanks Samsheerali, B. Falaye and R. Ahmad. it was really useful for me to get an over all idea about calculating dielectric constant

@Samsheerali. In our case we are dealing with thin film samples and we need to find out both real and imaginary part of dielectric constant. Do you have any particular case similar to that