Optimization of Duty Ratio of Metallic Grating Arrays for Infrared Photodetectors

• 作者: Baoshun Zhang Dong Liu Haijun Li Kai Fu Lechen Yang Min Xiong Yongqi Fu
• 来源期刊: 光学与光子学期刊(英文)
• 学科: 工学
• 关键词: METALLIC GRATINGS DUTY Ratio Infrared Waveband QWIP
• 年，卷（期）: 2011,（3）
• 页码范围: 97-100
• 页数: 4页
• 分类号: TN2

摘要

Influence of duty ratio of metallic gratings applied in quantum well infrared photodetector (QWIP) with detection ranging from 3 &#956m to 5 &#956m was studied in this paper. The influence on longer enhanced wavelength working at infrared waveband was investigated. A relationship between the duty ratio and the enhanced peak intensity is given. Some results can be applied to optimize the enhanced efficiency of the metallic gratings.