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2014 aluminum matrix composites reinforced with untreated (P-CNTs) and carboxyl-functionalized carbon nanotubes (C-CNTs) were successfully fabricated by the combination of sintering and hot extrusion. It is revealed that the C-CNTs are easier to disperse compared to the P-CNTs. Interfacial analysis indicated that a thin layer of aluminum carbide (Al4C3) exists at the interface between the matrix and...
A new concept of photonic crystal fiber (PCF) with high nonlinearity and flattened dispersion was designed. The PCF structure is indeed a hexagon lattice. The bigger air holes in the outer rings are used to confine the light field into the core region for enhancing the nonlinearity. The flattened dispersion can be achieved by adjusting the diameters of six smaller air holes in the first ring, and...
It is theoretically demonstrated that one-way Tamm plasmon-polaritons can be formed at the interface of magnetophotonic crystals and metal, at frequencies above the bulk plasma frequency of the metal. The main requirements are that the dispersion curves of such surface modes lie outside the light cone for the metal, and simultaneously fall into the photonic band gap of the magnetophotonic crystal...
Anti-Stokes signals from 645 to 543 nm are generated in the fundamental mode. The power ratio of signal at 543 nm to residual pump at 840 nm is 22.6:1, the conversion efficiency Pas/Pp0 being above 45%.
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