Abstract
Relaxation oscillations of optical transmittance after the turn-off of the applied electric field of liquid crystals are observed when the detected light transmits through a proper adjustment of the alignment of the polarizer and analyzer. Monte Carlo simulation of the equilibrium tilting and twisting angles of molecules at each layer that yield relevant polarization of the transmitted light can satisfactorily portrait this phenomenon. Optics of an isotropic-layered liquid crystal with the extended Jones 4 × 4 matrix formalism is implemented to solve this problem. The transmittance under linear changes of temperatures also reveals similar nonlinear relaxation oscillations.
Published Version
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