A three-dimensional display system based on metal nano-grating structure is modeled. The aluminum based nano-grating structures are designed and fabricated by nano-imprint as a linear polarizer to select the transverse magnetic wave in the wavelength range of 400-700 nm. The average transmission of the nano-grating for the transverse magnetic wave is around 80% and the polarization ratio of the emission light can reach as high as 97.1%. The polarization characteristics are studied theoretically, simulated by rigorous coupled wave analysis, and verified experimentally in detail.
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