We have developed a new approach to visualizing the 180° ferroelectric domain structures using terahertz radiation as a sensitive probe, in which the spatial resolution is dominated by the diameter of the focused laser spot.
© 2006 Optical Society of America
(310.0310) Thin films : Thin films
(310.6860) Thin films : Thin films, optical properties
(320.0320) Ultrafast optics : Ultrafast optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
M. Tonouchi, K. Takahashi, and N. Kida, "Visualization of Ferroelectric Domains of Multiferroic BiFeO3 Thin Films Using Terahertz Radiation as a Sensitive Probe," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMLL6.