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Proceedings Article

Influence of the interpixel region in liquid crystal diffraction gratings

[+] Author Affiliations
Jay E. Stockley, Darius Subacius, Steven A. Serati

Boulder Nonlinear Systems, Inc. (USA)

Proc. SPIE 3635, Liquid Crystal Materials, Devices, and Applications VII, 127 (March 26, 1999); doi:10.1117/12.343864
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From Conference Volume 3635

  • Liquid Crystal Materials, Devices, and Applications VII
  • Ranganathan Shashidhar
  • San Jose, CA | January 23, 1999

abstract

An important problem associated with multiple pixel liquid crystal (LC) modulators is the incidental diffraction due to amplitude and phase gratings formed by the improperly modulated regions between electrodes. This problem becomes more of an issue as the resolution of the SLM increases and the size of the pixels begins to approach the size of the inter-pixel spacing. We perform 2D director profile modeling in LC diffraction gratings to take into account the electrode structure and fringing electrostatic fields. The electrooptical properties of the grating are simulated and compared with experimental data. This information can be used to design addressing structures with enhanced fill factor. The results obtained could be beneficial for applications in image processing, laser beam control, steering and adaptive optics.

© (1999) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Jay E. Stockley ; Darius Subacius and Steven A. Serati
"Influence of the interpixel region in liquid crystal diffraction gratings", Proc. SPIE 3635, Liquid Crystal Materials, Devices, and Applications VII, 127 (March 26, 1999); doi:10.1117/12.343864; http://dx.doi.org/10.1117/12.343864


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