利用Pockels效应控制Voigt波
Controlling Voigt waves by the Pockels effect
摘要：
研究了Voigt波在均匀化复合材料（HCM）中的传播，该材料由折射率为$n_a$的流体渗透的多孔电光基质材料制成。HCM的本构参数估计使用扩展的Bruggeman均匀化形式主义。数值研究表明，支持Voigt波在HCM中传播的方向基本上可以通过施加直流电场来控制。此外，发现可以实现这种控制的程度对主体材料的孔隙率、孔的形状、尺寸和取向以及折射率$n_a$敏感。这些发现可能对Voigt波的潜在技术应用特别重要，例如在光学传感中。
英文摘要：
Voigt wave propagation was investigated in a homogenized composite material (HCM) arising from a porous electro--optic host material infiltrated by a fluid of refractive index $n_a$. The constitutive parameters of the HCM were estimated using the extended Bruggeman homogenization formalism. Numerical studies revealed that the directions which support Voigt wave propagation in the HCM could be substantially controlled by means of an applied dc electric field. Furthermore, the extent to which this control could be achieved was found to be sensitive to the porosity of the host material, the shapes, sizes and orientations of the pores, as well as the refractive index $n_a$. These findings may be particularly significant for potential technological applications of Voigt waves, such as in optical sensing.
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