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[IEEE NAECON 2018 - IEEE National Aerospace and Electronics Conference - Dayton, OH, USA (2018.7.23-2018.7.26)] NAECON 2018 - IEEE National Aerospace and Electronics Conference - Electromagnetic Propagation across an Achiral/Chiral (Dispersive) Boundary Using Phasor Approach to Fresnel Coefficients
摘要： Electromagnetic propagation across an achiral/chiral interface has been studied to evaluate Fresnel coefficients and examine the propagation characteristics. Extending the problem to include dispersive chiral dielectrics and discrete components may lead to potential applications such as tunable superlenses (with imaging and vision implications) and also devices including chiral Fabry-Perot etalons.
关键词： Fresnel coefficients,chiral Fabry-Perot resonator,metamaterials,chiral media,internal reflection,anomalous Brewster phenomenon
更新于2025-09-23 15:22:29
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Optically active inverse opal photonic crystals
摘要： Chiral photonic crystals have been a widely investigated topic in chemistry, physics and biology. Till now, the researches about chiral photonic crystals are conducted on the objects of helical structures, while the chiral photonic crystals made of periodic chiral media remain unexplored experimentally. In this work, we have successfully constructed three-dimensional chiral polymer inverse opal photonic crystals (3D CPIOPCs) by a template-based method. Impressively, the 3D CPIOPCs exhibit emerging circular dichroism responses near the photonic band gaps. The experiments and calculations clearly elucidate the contribution of photonic structures and chiral media to this characteristic optical activity.
关键词： chiral media,circular dichroism,chiral photonic crystals,photonic band gaps,inverse opal
更新于2025-09-09 09:28:46