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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 18 — Sep. 3, 2007
  • pp: 11650–11657

Polarization state measurement of terahertz electromagnetic radiation by three-contact photoconductive antenna

Hiroyuki Makabe, Yuichi Hirota, Masahiko Tani, and Masanori Hangyo  »View Author Affiliations

Optics Express, Vol. 15, Issue 18, pp. 11650-11657 (2007)

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We have fabricated a three-contact photoconductive antenna for the polarization-sensitive detection of terahertz electromagnetic radiation. Taking into account all three photoconductive signal current components, this three-contact photoconductive antenna can measure the polarization state of pulsed THz radiation at an accuracy comparable to that achieved using the conventional method which employs a set of wire-grid polarizers. The three-contact photoconductive receiver may be useful for polarization-sensitive spectroscopy such as vibrational circular dichroism spectroscopy and ellipsometry in the THz frequency region.

© 2007 Optical Society of America

OCIS Codes
(230.5440) Optical devices : Polarization-selective devices
(300.6270) Spectroscopy : Spectroscopy, far infrared

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: July 24, 2007
Revised Manuscript: August 22, 2007
Manuscript Accepted: August 28, 2007
Published: August 29, 2007

Hiroyuki Makabe, Yuichi Hirota, Masahiko Tani, and Masanori Hangyo, "Polarization state measurement of terahertz electromagnetic radiation by three-contact photoconductive antenna," Opt. Express 15, 11650-11657 (2007)

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