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Zenneck THz Surface Waves-assisted Imaging of Subwavelength Dielectric Particles

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Abstract

Electromagnetic Zenneck THz surface waves propagating on a bow-tie antenna are employed for time-resolved near-field imaging of subwavelength-size SrTiO3 and TiO2 particles. This approach provides high contrast, high-spatial resolution imaging through enhancing the field-particle interaction.

© 2014 Optical Society of America

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