Abstract
Single short pulse during the turn-on and relaxation oscillation after the turn-off of the applied electric field of the optical transmittance of liquid crystals are observed when the light transmits through a proper inclined angle of the polarizer and analyzer. A free energy simulation of the equilibrium tilting and twisting angles of molecules at each layer during an electric field that yields relevant polarization of the transmitted light can satisfactorily address this phenomenon. Optics of an isotropic-layered liquid crystal with the Jones 4×4 matrix formalism is implemented to solve this problem. Optical transmittance under linear changes of temperatures also reveals similar nonlinear relaxation oscillations and is also successfully simulated.
Published Version
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