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Four different areas of the face of a sample with are imaged with AFM. The tops of (a), (b), and (c) are the edges with the patterned electrode. For clarification, the metal electrodes have been drawn in black and the photoresist grating in gray. (d) Where the tips of (a) terminate.
The face of a sample with poled with one pulse of , followed by six pulses of : (a) is taken at the edge with the patterned side, (b) is taken at down from the face, and (c) is taken at the edge with the nonpatterned face.
The domain structure on the face of the same sample of Fig. 2 with the topography of the metal pattern (in gray) over imposed is shown.
A detail of the end of a tip on the face in KTP.
(a) Sketch of the domain structure when the sample is subjected to too many electrical pulses of low magnitude. The metal electrode is drawn in gray. (b) Sketch of the domain structure when the sample is subjected to electrical pulses of too high magnitude. (c) face of a sample shows a sample of subjected to 6 pulses of . The image is from just below the periodic electrodes. The inset shows the domain structure at a depth of from the patterned side. (d) The face of a sample of poled with two pulses of . The image is taken at the edge with the patterned side.
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