Figure 5.

The phase times τn as functions of the reduced thicknesses. The phase times τn as functions of the reduced thicknesses a/λ (a) and b/λ (b) for a superlattice (L/H/L)n made of fused silica (L) (nL=1.41) and titanium oxide (H) (nH=2.22) for λ=702 nm.The oscillating behavior of τn with clear band structure is far away of any Hartman effect.

Simanjuntak and Pereyra Nanoscale Research Letters 2013 8:145   doi:10.1186/1556-276X-8-145
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