激光与光电子学进展, 2018, 55 (4): 041602, 网络出版: 2018-09-11
基于L形超材料的太赫兹宽带偏振转换器 下载: 1432次
Broadband Terahertz Polarization Converter Based on L-Shaped Metamaterial
图 & 表
图 1. 基于超材料的偏振转换器的结构单元。(a)侧视图;(b)正视图
Fig. 1. Unit cell of polarization converter based on metamaterial. (a) Side view; (b) front view
图 2. 偏振转换器的(a)共偏振反射系数rxx和交叉偏振反射系数ryx以及(b)偏振转换率
Fig. 2. (a) Co-polarization reflection coefficient rxx, cross-polarization reflection coefficient ryx, and (b) PCR of polarization converter
图 3. 不同L形贴片个数下偏振器的偏振转换率
Fig. 3. PCR of polarization converters with different numbers of L-shaped patches
图 4. ryx和rxx及其相对相位Δφyx与频率的关系.(a)完整图像;(b)局部图像
Fig. 4. ryx, rxx, and their corresponding relative phase Δφyx versus frequency. (a) Full figure; (b) partial figure
图 5. 不同入射角下(a) ryx和(b) rxx的模拟结果
Fig. 5. Simulated results of (a) ryx and (b) rxx under different incident angles
周璐, 赵国忠, 李永花. 基于L形超材料的太赫兹宽带偏振转换器[J]. 激光与光电子学进展, 2018, 55(4): 041602. Lu Zhou, Guozhong Zhao, Yonghua Li. Broadband Terahertz Polarization Converter Based on L-Shaped Metamaterial[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041602.