Ultra-High Specific Absorption of Metallic Binary-Groove Gratings

• 作者: Yumin Liu Yutong Li
• 来源期刊: 光学与光子学期刊(英文)
• 学科: 化学
• 关键词: Surface PLASMON ABSORPTION GRATINGS SENSING
• 年，卷（期）: 2017,（8）
• 页码范围: 92-98
• 页数: 7页
• 分类号: O6

摘要

A metallic binary-groove gratings, which can be exploited to absorb light at C-band and sense materials with refractive index (1.0 - 1.2), is proposed and investigated numerically. Both ultra-high absorption (99.937%) and sensitivity (1600 nm/RIU) are achieved.