deletions | additions       diff --git a/figures/neff_ng_TE/caption.tex b/figures/neff_ng_TE/caption.tex  index 4188ef4..aa8da00 100644  --- a/figures/neff_ng_TE/caption.tex  +++ b/figures/neff_ng_TE/caption.tex 
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Straight waveguide quasi-TE mode (a) Effective index $n_{eff}$ (b) Group index $n_g$