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Measurement of Effective Refractive Index Ellipse of LiNbO3 Subwavelength Slab Waveguide for Thz Phonon Polariton Wave

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Abstract

The propagation process of THz phonon polariton wave in 50 micrometer LiNbO3 slab waveguide is recorded using polarization gating imaging system. The effective refractive indexes of different models are calculated from the dispersion curves.

© 2010 Optical Society of America

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