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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 13, Iss. 4 — Dec. 25, 2009
  • pp: 423–427

THz Filter Using the Transverse-electric (TE1) Mode of the Parallel-plate Waveguide

Eui-Su Lee and Tae-In Jeon  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 13, Issue 4, pp. 423-427 (2009)

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The results of the experimental and theoretical studies conducted on terahertz filtering using two parallel-plate waveguides (PPWGs) are presented herein. The first PPWG with 355 μm plate separation generates 4 THz bandwidth TM modes (TM0, TM2, and TM4), whereas the second PPWG with 100 μm plate separation operated the THz filter for the generated TM modes with 1.5 THz cutoff frequency. The outgoing THz wave of the two PPWGs was truncated until 1.5 THz, and the system was operated using a high-pass THz filter. The absorption and dispersion of the combined TM and TE modes for the filtering system were calculated. The theoretical calculation and measurement results for the cutoff and oscillation frequency in the spectrum domain agreed well.

© 2009 Optical Society of Korea

OCIS Codes
(030.4070) Coherence and statistical optics : Modes
(120.2440) Instrumentation, measurement, and metrology : Filters
(230.7390) Optical devices : Waveguides, planar
(040.2235) Detectors : Far infrared or terahertz
(070.2615) Fourier optics and signal processing : Frequency filtering

Original Manuscript: September 23, 2009
Revised Manuscript: November 17, 2009
Manuscript Accepted: November 17, 2009
Published: December 25, 2009

Eui-Su Lee and Tae-In Jeon, "THz Filter Using the Transverse-electric (TE1) Mode of the Parallel-plate Waveguide," J. Opt. Soc. Korea 13, 423-427 (2009)

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