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

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

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)173-177
Number of pages5
JournalJournal of Materials Processing Technology
Volume185
Issue number1-3
DOIs
Publication statusPublished - Apr 30 2007

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Electrooptical effects
Harmonic generation
Electric field measurement
Electric fields
Sensors
Phase matching
Optical frequency conversion
Temperature control
Semiconductor lasers
Crystals

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Computer Science Applications
  • Metals and Alloys
  • Industrial and Manufacturing Engineering

Cite this

Development of an electric field sensor based on second harmonic generation with electro-optic materials. / Vasa, N. J.; Kawata, Y.; Tanaka, R.; Yokoyama, Shiyoshi.

In: Journal of Materials Processing Technology, Vol. 185, No. 1-3, 30.04.2007, p. 173-177.

Research output: Contribution to journalArticle

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