光子学报, 2010, 39 (12): 2209, 网络出版: 2011-01-26
〈331〉晶向ZnTe单晶的太赫兹辐射-探测性能理论研究
Calculation of Terahertz Pulse Propagation and Detection in〈331〉 ZnTe Single Crystal
太赫兹辐射 光整流效应 电光效应 ZnTe单晶 〈331〉晶向 THz emitter Optical rectification Electro-optic sampling ZnTe 〈331〉-oriented
摘要
根据光整流效应辐射太赫兹理论,计算了〈331〉晶向ZnTe单晶的太赫兹辐射性能.通过与〈110〉、〈111〉晶向对比,当晶体方位角为0°或180°时,利用〈331〉晶向ZnTe单晶辐射太赫兹信号可以与〈111〉晶向相当,强于〈110〉晶向.利用电光取样原理,计算了〈331〉晶向ZnTe单晶的太赫兹探测性能,通过理论计算为〈331〉晶向ZnTe 晶体有效辐射太赫兹波提供理论依据.
Abstract
The THz pulses generation of 〈331〉-oriented ZnTe as emitter via its optical rectification were reported. Compared with 〈110〉、〈111〉-oriented ZnTe crystal, the 〈331〉-oriented ZnTe could even emit THz pulse. When the crystal oriented angle was 00 or 1800, the THz pulse amplitude from 〈331〉-oriented could be equal to 〈111〉-oriented, higher than 〈110〉-oriented. The THz pulses detection performance of 〈331〉-oriented ZnTe as detector was calculated via the electro-optical effect. The theoretical calculation from 〈331〉 ZnTe emitter demonstrated a direct way to optimize the working efficiency of a terahertz emitter.
王仍, 林杏潮, 张丽萍, 张可锋, 焦翠玲, 陆液, 邵秀华, 陆荣, 葛进, 胡淑红, 戴宁. 〈331〉晶向ZnTe单晶的太赫兹辐射-探测性能理论研究[J]. 光子学报, 2010, 39(12): 2209. WANG Reng, LIN Xing-chao, ZHANG Li-ping, ZHANG Ke-feng, JIAO Cui-ling, LU Ye, SHAO Xiu-hua, LU Rong, GE Jin, HU Shu-hong, DAI Ning. Calculation of Terahertz Pulse Propagation and Detection in〈331〉 ZnTe Single Crystal[J]. ACTA PHOTONICA SINICA, 2010, 39(12): 2209.