How to add lithium niobate (LN) material to material database of FDTD lumerical ?

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Partha Pratim Nakti

Hello there,

You can use the (n,k) data from this site (https://refractiveindex.info/tmp/data/main/LiNbO3/Zelmon-o.txt). Put the value of extinction coefficient (k) = 0 in a separate column beside the refractive index (n). After modifying the text file add sampled 3D data in the materials section.

Thanks.

Rahul Sonkar

which paper or database you have taken this data?