Table 1 Mean phase retardation (<Δϕ>) and polymer thickness (tPS).

From: Ptychographic Imaging of Branched Colloidal Nanocrystals Embedded in Free-Standing Thick Polystyrene Films

Sample

<Δϕ>

tPS [μm]

ρoriginal[nm]

ρaveraged[nm]

ρaveraged/filtered[nm]

OCT

0.010±0.002

0

49.3 ±1.0

41.8 ±1.0

24.5 ±1.0

PS350_thin

0.030±0.002

0.307 ±0.010

42.2 ±1.0

36.8 ±1.0

26.0 ±1.0

PS350

0.020±0.002

24 ± 4

52.5 ±1.0

39.4 ±1.0

32.5 ±1.0

PS190

0.0275±0.002

24 ± 4

41.9 ±1.0

37.4 ±1.0

26.2 ±1.0

  1. . View full size image, where , , , are reported in Table S1. Spatial resolution (ρ) on the original, averaged or averaged/filtered phased maps, as estimated by means of the FSC criterion (see Resolution section of the Supplementary Information).