论文标题
使用基于天线的HAMR的杂化等离子波导的轻热转换过程的光学和热分析
Optical and thermal analysis of the light-heat conversion process employing an antenna-based hybrid plasmonic waveguide for HAMR
论文作者
论文摘要
我们研究了一种锥形的杂化等离子波导，该波导先前已被提议作为光学有效的近场换能器（NFT）或其组件，或者在几种旨在利用纳米范围的光线的设备中。我们通过数值分析了如何通过波导传输光，并最终通过有效模式耦合和锥度优化聚焦。在此优化过程中，至关重要的尺寸参数不仅是实现最大光学吞吐量所必需的，而且还具有最佳的热性能，并在热辅助磁记录（HAMR）方面进行了特定的应用。结果表明，在相似波导上构建的现有设备可能会受益于散热器，以避免我们实现的等离子元件的变形，而无需花费光学效率。对于Hamr而言，我们的设计能够使用相关数字（如8.5％的光学效率）超出许多行业要求。
We investigate a tapered, hybrid plasmonic waveguide which has previously been proposed as an optically efficient near-field transducer (NFT), or component thereof, in several devices which aim to exploit nanofocused light. We numerically analyze how light is transported through the waveguide and ultimately focused via effective-mode coupling and taper optimization. Crucial dimensional parameters in this optimization process are identified that are not only necessary to achieve maximum optical throughput, but also optimum thermal performance with specific application towards heat-assisted magnetic recording (HAMR). It is shown that existing devices constructed on similar waveguides may benefit from a heat spreader to avoid deformation of the plasmonic element which we achieve with no cost to the optical efficiency. For HAMR, our design is able to surpass many industry requirements in regard to both optical and thermal efficiency using pertinent figure of merits like 8.5% optical efficiency.
