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The use of endoscopic Optical Coherence Tomography (OCT) in the clinical setting has gained momentum in recent years. This is largely due to the advances in OCT catheter designs that are tailored to specific clinical applications. In this review, we summarize many of the designs currently used in patient studies, and additionally discuss a number of novel designs that are yet to be implemented and...
We demonstrate the utility of epitaxially-grown, highly-doped semiconductors as plasmonic designer metals, with plasma wavelengths across a broad range of the mid-infrared. Micro-particles fabricated from these materials are shown to support localized surface plasmon modes.
We demonstrate enhanced light funneling through subwavelength features at optical frequencies using an epsilon near zero (ENZ) material layer. Transmission through a subwavelength slit filled with the epsilon near zero material is characterized.
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