KAIST Characterizes Barium Titanate’s Optical Properties for Next-Generation Optical Communications (IMAGE)

The Korea Advanced Institute of Science and Technology (KAIST)

KAIST Characterizes Barium Titanate’s Optical Properties for Next-Generation Optical Communications

Caption

Figure 2. Structural characteristics of single-crystal barium titanate and a schematic of the optical constant measurements. (Top) Temperature-dependent changes in the crystal structure of BTO (left), domain alignment according to the polarization direction (center), and X-ray diffraction (XRD) results for the high-quality a-cut and c-cut single crystals used in the experiments (right). (Bottom) Analytical framework for precisely extracting the intrinsic optical properties of BTO over an ultra-broad spectral range from the ultraviolet to the far-infrared, combining reflection- and transmission-mode Mueller matrix spectroscopic ellipsometry with transmission spectra.

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KAIST

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