Journal
OPTICS EXPRESS
Volume 18, Issue 16, Pages 16539-16545Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.016539
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Funding
- Max Planck Society
- Chinese Academy of Science
- Israel Science Foundation
- Australian Research Council
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We show that focusing a laser light onto the boundary between antiparallel ferroelectric domains leads to the non-collinear generation of two second harmonic (SH) beams. The beams are emitted in a plane normal to the domain boundaries at the angles that satisfy the Cerenkov-type phase matching condition. Moreover, these beam disappear when the laser light is focused on a homogenous part of a single domain. We utilize this effect for 3-dimensional visualization of fine details of the ferroelectric domain pattern with a submicron accuracy. (C) 2010 Optical Society of America
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