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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 15 — Jul. 18, 2011
  • pp: 14099–14107

Brewster’s angle silicon wafer terahertz linear polarizer

Antoine Wojdyla and Guilhem Gallot  »View Author Affiliations

Optics Express, Vol. 19, Issue 15, pp. 14099-14107 (2011)

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We present a new cost-effective terahertz linear polarizer made from a stack of silicon wafers at Brewster’s angle, andevaluate its performances. We show that this polarizer is wide-band, has a high extinction ratio (> 6 × 103) and very small insertion losses (< 1%). We provide measurements of the temporal waveforms after linearly polarizing the THz beam and show that there is no distortion of the pulse. We compare its performances with a commercial wire-grid polarizer, and show that the Brewster’s angle polarizer can conveniently be used to control the power of a terahertz beam.

© 2011 OSA

OCIS Codes
(260.5430) Physical optics : Polarization
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:
Optical Devices

Original Manuscript: April 26, 2011
Revised Manuscript: June 17, 2011
Manuscript Accepted: June 18, 2011
Published: July 8, 2011

Antoine Wojdyla and Guilhem Gallot, "Brewster’s angle silicon wafer terahertz linear polarizer," Opt. Express 19, 14099-14107 (2011)

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