Figure 4 | Scientific Reports

Figure 4

From: Terahertz microscopy using laser feedback interferometry based on a generalised phase-stepping algorithm

Figure 4

(a) Variation of the maximum amplitude error with the number of measurement points \({\varvec{N}}\), for feedback parameters \({\varvec{C}} =\)0.01 (black circles), \({\varvec{C}} =\)0.1 (blue circles), \({\varvec{C}} =\)0.3 (red circles) and \({\varvec{C}} =\)1 (green circles). (b) Variation of the maximum phase error for the same values of \({\varvec{C}}\). The solid lines are intended only to aid visualisation.

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