Table 3 Calculated extra factor 2mπ·(1-ν/ν0) for different m

From: Planar Holographic Metasurfaces for Terahertz Focusing

 

m = ±1

m = ±2

m = ±3

m = ±4

BW = 0.19

∓34.2°

∓68.4°

∓102.6°

∓136.8°

BW = 0.09

∓16.2°

∓32.4°

∓48.6°

∓64.8°

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