THz band-stop filter using metamaterials surfaced on LiNbO_3 sub-wavelength slab waveguide | Zendy

Bin Zhang | Zendy; Qiang Wu | Zendy; Chongpei Pan | Zendy; Ruobai Feng | Zendy; Jingjun Xu | Zendy; Cibo Lou | Zendy; Xiaodong Wang | Zendy; Fuhua Yang | Zendy

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THz band-stop filter using metamaterials surfaced on LiNbO_3 sub-wavelength slab waveguide

Author(s) -

Bin Zhang,

Qiang Wu,

Chongpei Pan,

Ruobai Feng,

Jingjun Xu,

Cibo Lou,

Xiaodong Wang,

Fuhua Yang

Publication year - 2015

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.016042

Subject(s) - optics , terahertz radiation , metamaterial , wavelength , slab , waveguide , electric field , materials science , optoelectronics , physics , quantum mechanics , geophysics

We designed and implemented periodic bar arrays metamaterials to select appropriate frequencies of terahertz (THz) waves propagating in a LiNbO(3) sub-wavelength waveguide. The spatial and temporal electric field profiles of the THz waves were recorded using a time-resolved phase-contrast imaging system. The metamaterials can operate as a band-stop filter to realize blocking back THz waves in a band range of 0.6-1.0 THz, while transparent transmission for the fundamental mode of the slab over a range of 0.3-0.6 THz.

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