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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 5 — Mar. 3, 2008
  • pp: 2995–3001

Manipulating terahertz wave by a magnetically tunable liquid crystal phase grating

Chia-Jen Lin, Yu-Tai Li, Cho-Fan Hsieh, Ru-Pin Pan, and Ci-Ling Pan  »View Author Affiliations

Optics Express, Vol. 16, Issue 5, pp. 2995-3001 (2008)

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This investigation demonstrates the feasibility of a magnetically tunable liquid crystal phase grating for the terahertz wave. The phase grating can be used as a beam splitter. The ratio of the zeroth and first-order diffracted THz-beams (0.3 THz) polarized in a direction perpendicular to that of the grooves of the grating can be tuned from 4:1 to 1:2. When the THz wave is polarized in any other direction, this device can be operated as a polarizing beam splitter.

© 2008 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(230.1360) Optical devices : Beam splitters
(230.3720) Optical devices : Liquid-crystal devices
(320.0320) Ultrafast optics : Ultrafast optics
(320.7080) Ultrafast optics : Ultrafast devices

ToC Category:
Diffraction and Gratings

Original Manuscript: January 15, 2008
Revised Manuscript: February 16, 2008
Manuscript Accepted: February 16, 2008
Published: February 20, 2008

Chia-Jen Lin, Yu-Tai Li, Cho-Fan Hsieh, Ru-Pin Pan, and Ci-Ling Pan, "Manipulating terahertz wave by a magnetically tunable liquid crystal phase grating," Opt. Express 16, 2995-3001 (2008)

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