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Title: Degenerate Four-Wave Mixing Process and Switchable Grating/Hologram Formation in Polymer-Dispersed Liquid Crystal Films
Authors: Fuh, Andy Y. G.;Huang, Chi-Yen;Tsai, M. S.;Chen, J. M.;Chien, L. C.
Contributors: 光電科技研究所
Date: 1995-12
Issue Date: 2013-01-07T02:09:38Z
Abstract: We have developed an economic liquid crystal-polymer dispersion material that can
be used for optically storing holographic images. Using the thin films of this material, we
have observed a strong degenerate four-wave mixing (DFWM) effect during the writing
of a grating when the writing beams have intensities above a threshold. Both the
threshold intensity and the gratings� diffraction efficiency were measured as a function
of the grating constant. The results are reported.
Relation: Chinese Journal of Physics, 33(6): 645-657
Appears in Collections:[Graduate Institute of Photonics Technologies] Periodical Articles

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