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Updated: Jun 22, 2026

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
Published on: November 21, 2019
A novel method for measuring continuous dispersion spectrum of electro-optic coefficients of nonlinear materials
Seoung Hun Lee1, Seung Hwan Kim, Kyong Hon Kim
1Department of Physics, Inha University, Nam-gu, Incheon, Korea
Abstract:
We report, for the first time to our knowledge, a novel and simple method for measuring continuous dispersion spectrum of unclamped linear electro-optic (EO) coefficient using a white-light interferometry. This method detects phase changes of the interference patterns with and without an applied electric voltage, and allows a simultaneous measurement of wavelength and polarization dependent EO coefficients of birefringent materials. Both of the unclamped EO coefficients, r(13) (T) and r(33) (T), of a congruent LiNbO(3) (LN) crystal have been measured simultaneously with the method, and their continuous dispersion curves have been also obtained.
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