Preparation of nematic liquid crystal film and recording method of high resolved transient grating thereof
A liquid crystal film, recording method technology, applied in the direction of optics, nonlinear optics, static indicators, etc.
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[0017] The following examples describe the present invention in more detail:
[0018] 1. Preparation of asymmetric liquid crystal cell with PVK photoconductive polymer film as alignment layer
[0019] The first step: Doping C with a mass percentage of 1 / 300 in the PVK white powder 60 , then the doped C 60 The PVK material is dissolved in the mixed solvent of toluene and pimelinketone, wherein the weight ratio of toluene and pimelinketone is 3: 1, and the weight ratio of solute and solvent is 8: 1;
[0020] Step 2: After leaving the solution for several hours, a small amount of C 60 and PVK dissolved in the solvent, the solution was light purple; in order to accelerate the dissolution of C 60 and PVK, manually stir the solution, and manually stir for more than 3 hours C 60 and PVK will be completely dissolved in the solvent to form a uniform, brown-red solution;
[0021] Step 3: Use an ultrasonic cleaner to clean the surface with a thickness of 1.1mm and an area of 2×2.5...
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