Tunable terahertz source via liquid crystal grating coated with electron beam excited graphene: A theoretical analysis

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• 作者：Hong-liang Zhao^a ; Guang-jun Ren^a ; ^rgj1@163.com ; Fei Liu^a ; Huan-peng Xin^a ; Yang-bo Bai^a ; Jian-quan Yao^b
• 关键词：Terahertz radiation ; Graphene ; Grating ; Liquid crystal ; Electron beam
• 刊名：Optics Communications
• 出版年：2017
• 出版时间：1 May 2017
• 年：2017
• 卷：390
• 期：Complete
• 页码：137-139
• 全文大小：462 K
• 卷排序：390

文摘

We propose a new grating structure that can generate terahertz radiation. We take advantage of the birefringence of nematic liquid crystal and make the tuning easier to realize. The structure is helpful to the future applications of tunable terahertz source in miniaturization.