Optical second harmonic images of 90° domain structure in <i>BaTiO</i>3 and periodically inverted antiparallel domains in <i>LiTaO</i>3

• Y. Uesu

  Advanced Research Center for Science and Engineering, Department of Physics, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169, Japan

• S. Kurimura

  Department of Physics, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169, Japan

• Y. Yamamoto

  Department of Physics, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169, Japan

抄録

By using the second harmonic generation (SHG) microscope, which we have recently developed, two-dimensional images of ferroelectric domain structure were successfully obtained by exploiting the inhomogeneous distribution of the quadratic nonlinear optical constant in specimens. 90° domain structure of BaTiO3 was observed with intensity contrast of the second harmonic wave. A periodically inverted antiparallel domain in LiTaO3 was also observed. This fact indicates that the SHG microscope provides a new method of observing antiparallel ferroelectric domain structure in a nondestructive way, which is especially important for characterizing the quasiphase matched devices for compact blue light lasers.

収録刊行物

• Applied Physics Letters

  Applied Physics Letters 66 (17), 2165-2167, 1995-04-24

  AIP Publishing

キーワード

• Physics and Astronomy (miscellaneous)

詳細情報

• CRID: 1360574095414305408
• NII論文ID: 80008237111
• DOI: 10.1063/1.113934
• ISSN: 10773118
• ISSN: 00036951
• Web Site: https://pubs.aip.org/aip/apl/article-pdf/66/17/2165/18511029/2165_1_online.pdf
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