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Diffraction Grating with Electrically Controlled Periodicity

KSU. 181

Abstract: The present invention is directed to liquid crystal diffraction gratings with electrically controlled periodicity. An electrical field is applied to liquid crystal device wherein the liquid crystals align to form a diffraction grating.  The period of the diffraction grating is varied by changing the applied electrical field. The diffraction grating therefore has a period that can be varied by an electrical field.

Applications:   

  •          Beam steering devices
  •          Light dispersing elements
  •          Optical communications

Advantages:   

  •         Device can be produced by a non-mechanical means
  •         Period of the diffraction grating can be changed by adjusting an electrical field

Inventors:  Dr. Darius Subacius, Dr. Oleg Lavrentovich

Licensing Contact

Gregory B. Wilson, Associate Vice President,

Economic Development and Strategic Partnerships

greg.wilson@kent.edu

330-672-0704

http://www.kent.edu/research/otted