Abstract.
We observed transient signals of Bragg grating formation in high-performance photorefractive high- and low-molar-mass liquid crystal mixtures (HL-LCMs). These transient signals including oscillation-like behavior can be explained by a complex time constant in the case of a finite applied dc field. The time constant for the space-charge field to reach its steady state and the oscillation frequency are estimated.
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Received: 30 October 1998 / Revised version: 14 December 1998 / Published online: 24 February 1999
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Ono, H., Kawatsuki, N. Study of transient photorefractive beam coupling in high- and low-molar-mass liquid crystal mixtures . Appl Phys B 69, 51–53 (1999). https://doi.org/10.1007/s003400050769
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DOI: https://doi.org/10.1007/s003400050769