Asymmetric dynamic phase holographic grating in nematic liquid crystal

@inproceedings{Ren2016AsymmetricDP,
  title={Asymmetric dynamic phase holographic grating in nematic liquid crystal},
  author={Changyu Ren and Hongxin Shi and Yan-Bao Ai and Xiangbao Yin and Feng Wang and Hongwei Ding},
  year={2016}
}
A new scheme for recording a dynamic phase grating with an asymmetric profile in C60-doped homeotropically aligned nematic liquid crystal (NLC) was presented. An oblique incidence beam was used to record the thin asymmetric dynamic phase holographic grating. The diffraction efficiency we achieved is more than 40%, exceeding the theoretical limit for symmetric profile gratings. Both facts can be explained by assuming that a grating with an asymmetric saw-tooth profile is formed in the NLC… CONTINUE READING

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