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Frontiers in Optics
We have experimentally demonstrated polarizers and polarizing beam splitters based on microwave-scale two-dimensional photonic crystals. Using polarized microwaves within certain frequency bands, we have observed a squared-sinusoid ͑Malus͒ transmission law when using the photonic crystal as a polarizer. The photonic crystal also functions as a polarizing beamsplitter; in this configuration it can be engineered to split incident polarizations in either order and in any direction, making it moredoi:10.1364/fio.2003.tho2 fatcat:hafppyumirc7rk4j3dptggztsi