Development of an electric field sensor based on second harmonic generation with electro-optic materials

N. J. Vasa, Y. Kawata, R. Tanaka, S. Yokoyama

研究成果: ジャーナルへの寄稿学術誌査読

7 被引用数 (Scopus)

抄録

A novel approach of measuring an impulse electric field is proposed by combining a nonlinear optical-frequency conversion technique, such as the second-harmonic generation (SHG), with the electro-optic effect. The technique involves measurement of an electric field based on the SHG output intensity. In the present work, a continuous-wave diode laser is used with nonlinear, electro-optic crystals, such as MgO:LiNbO3 (MgO:LN) and KTiOPO4 (KTP), and the feasibility of the SHG technique for impulse electric field measurements is studied. The experimental measurements combined with theoretical estimates show that even though the temperature control is a critical requirement, the SHG technique can be effectively used for electric field measurements with a wide dynamic range of the order of a few kV/cm. It was also possible to shift the electric field measurement range by offsetting the phase matching condition for SHG.

本文言語英語
ページ(範囲)173-177
ページ数5
ジャーナルJournal of Materials Processing Technology
185
1-3
DOI
出版ステータス出版済み - 4月 30 2007

!!!All Science Journal Classification (ASJC) codes

  • セラミックおよび複合材料
  • コンピュータ サイエンスの応用
  • 金属および合金
  • 産業および生産工学

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