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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 12, Iss. 3 — Sep. 25, 2008
  • pp: 196–199

Spectral Properties of THz-Periodic Metallic Structures

Chul Kang, Chul-Sik Kee, Ik-Bu Sohn, and Jong-Min Lee  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 12, Issue 3, pp. 196-199 (2008)

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We have investigated spectral properties of the periodic arrays of aluminum rods and holes on papers using the terahertz time-domain spectroscopy. The size of a rod(hole) is <TEX>$600{\mu}m{\times}100{\mu}m$</TEX> and the spacing is <TEX>$300{\mu}m$</TEX>. The samples were fabricated by a femtosecond laser micromachining system. The periodic arrays of aluminum rods exhibit high reflection around 0.25 THz when the polarization of the THz pulse is parallel to the long axis of the rod, whereas the periodic arrays of holes exhibit high transmission around 0.25 THz when the polarization of the THz pulse is perpendicular to the long axis of the hole.

© 2008 Optical Society of Korea

OCIS Codes
(050.1220) Diffraction and gratings : Apertures
(220.4830) Optical design and fabrication : Systems design
(300.6270) Spectroscopy : Spectroscopy, far infrared

Original Manuscript: August 19, 2008
Revised Manuscript: September 17, 2008
Manuscript Accepted: September 18, 2008
Published: September 25, 2008

Chul Kang, Chul-Sik Kee, Ik-Bu Sohn, and Jong-Min Lee, "Spectral Properties of THz-Periodic Metallic Structures," J. Opt. Soc. Korea 12, 196-199 (2008)

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