Abstract
Spatial light modulators (SLMs) utilize components such as magnetophotonic crystals (MPCs) to alter specific characteristics of a light beam in space. In magneto-optical (MO) spatial light modulators, MPCs play a crucial role in spatially modulating light by manipulating local light intensity and polarization rotation. This study explores how the refractive indices of birefringent electro-optical materials within MPCs influence MO rotation and reflection. In this order, using a transfer matrix method, we designed thin MPCs with a MO rotation around 90° and almost full reflection, for having SLMs with high contrast. The direction of applied voltage to the structure was found to be a critical factor, leading to significant reduction in power consumption for SLMs incorporating the MPCs. These characteristics render the designed MO spatial light modulator well-suited for applications in projectors and displays.
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