This paper demonstrates simulations of the polarization gratings and switchable liquid crystal waveplates that give rise to a beam-steering method for liquid crystal lasers. This method does not involve any change in the configuration of the helical structure, nor does it result in an alteration of the laser wavelength. It also has a minimal impact on the intensity of the laser emission. Besides, the polarization state distribution of a band-edge liquid crystal laser has been investigated based on Stokes parameters measurements. The polarization profile of the liquid crystal laser serves as input for beam-steering simulation, with the result revealing consistency with the measured intensities of polarization grating diffraction spots.
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