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(a) EELS surface plasmon map for Au and PS spheres. (b) TIE phase map from the same specimen area.
(a) Quantitative TIE phase map for a PS sphere (contrast inverted). The gray scale varies linearly from . (b) Quantitative TIE phase profile for the PS sphere.
(a) TIE phase map; the gray scale contrast varies linearly from . (b) In-focus image.
(a) Inverted phase profile along the PS sphere shown in Fig. 3(a). (b) Phase profile for the vacuum near the Au sphere (the peak around corresponds to the edge of the Au particle).
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