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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 8 — Apr. 21, 2014
  • pp: 9759–9763

Electrically switchable cholesteric gratings based on slit electrodes

Chie-Tong Kuo, Ru-Hsien Chiang, Chun-Yen Wang, Ping-Hung Hsieh, Yen-Ting Lin, Chi-Huang Lin, and Chi-Yen Huang  »View Author Affiliations

Optics Express, Vol. 22, Issue 8, pp. 9759-9763 (2014)

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An electrically switchable diffraction grating (ESDG) based on cholesteric liquid crystal (CLC) filled into the cell with slit electrodes is demonstrated in this study. On one hand, with low voltage, the ESDG has high second order diffraction efficiency because of the alternating planar and fingerprint textures. With high voltage, on the other hand, the ESDG has high first order diffraction efficiency because of the alternating planar and homeotropic textures. The first and second order diffraction efficiencies of ESDG are electrically swapped. The maximum diffraction efficiency of the ESDG is approximately 32% at each grating mode.

© 2014 Optical Society of America

OCIS Codes
(230.0230) Optical devices : Optical devices
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

Original Manuscript: February 20, 2014
Revised Manuscript: April 7, 2014
Manuscript Accepted: April 7, 2014
Published: April 15, 2014

Chie-Tong Kuo, Ru-Hsien Chiang, Chun-Yen Wang, Ping-Hung Hsieh, Yen-Ting Lin, Chi-Huang Lin, and Chi-Yen Huang, "Electrically switchable cholesteric gratings based on slit electrodes," Opt. Express 22, 9759-9763 (2014)

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