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Semiconductors with parallel cylindrical pores possess positive birefringence for a single system of pores and negative one—for two mutually perpendicular systems of pores, in accordance with experiments. The matrix luminescence is polarized. For metal-filled pores, the system demonstrates a strong, frequency-dependent anisotropy of the optical properties and may exhibit plasmon amplification of luminescence.
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Ruda et al. (2011) studied this question.
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