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. 2021 Jun 18;12(7):4219–4234. doi: 10.1364/BOE.428828

Fig. 4.

Fig. 4.

Amplitude (a,d), wrapped phase (b,c) and the phase with subtracted background (c,f) of the holograms shown in Fig. 3(a) (LD illumination) and Fig. 3(c) (SLD illumination), respectively.