Dynamics of biphotonic intensity holographic gratings based on dye-doped liquid crystal films

Ko Ting Cheng, Chia Rong Lee, Andy Ying Guey Fuh

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

The dynamics of biphotonic intensity holographic gratings (BIHGs) based on dye-doped liquid crystal (DDLC) films, including optical and thermal effects, are studied. Experimental results indicate that the formation of a BIHG involves bulk reorientation and surface adsorption. The former yields a transient biphotonic grating; the latter results in a persistent biphotonic grating. Additionally, the dynamic behaviours of the biphotonic diffraction signals are different from those of a conventional one-photonic diffraction signal, and depend on the intensity(polarization) of the green(red) pump-beam. The effect of ambient temperature on the diffraction efficiency of a BIHG is also studied: a higher ambient temperature prevents more dye molecules from being adsorbed on the substrate.

原文English
頁(從 - 到)95-100
頁數6
期刊Liquid Crystals
34
發行號1
DOIs
出版狀態Published - 2007 一月

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 材料科學(全部)
  • 凝聚態物理學

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