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Three-dimensional ferroelectric domain visualization by Cerenkov-type second
 

Summary: Three-dimensional ferroelectric domain
visualization by Cerenkov-type second
harmonic generation
Yan Sheng1,2, Andreas Best1, Hans-Jšurgen Butt1, Wieslaw
Krolikowski2, Ady Arie3 and Kaloian Koynov1
1Max-Planck Institute for Polymer Research, Mainz 55128, Germany
2Laser Physics Center, Australian National University, Canberra ACT 0200, Australia
3School of Electrical Engineering, Tel-Aviv University, Tel Aviv 69978, Israel
koynov@mpip-mainz.mpg.de
Abstract: 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.
© 2010 Optical Society of America
OCIS codes: (190.0190) Nonlinear optics; (190.2620) Harmonic generation and mixing;
(160.2260) Ferroelectrics; (180.6900) Three-dimensional microscopy

  

Source: Arie, Ady - Department of Electrical Engineering-Physical Electronics, Tel Aviv University

 

Collections: Engineering