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When its corners are switched from disconnected to connected, a metallic checkerboard exhibits a sort of insulator-metal transition in its electromagnetic response. To use this phenomenon for dynamic polarization control, which is essential for polarization-selective spectroscopy, the authors study anisotropy as a general means to artificially engineer phase transitions of checkerboardlike metasurfaces. Application of this approach to yield a dynamic terahertz polarizer is discussed.
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A 2016 study studied this question.
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