在电流涌流模型中考虑了电场屏蔽效应、有限载流子寿命和有限弛豫时间的影响,得到了大孔径光电导天线表面辐射场和辐射远场的解析表达式,讨论了辐射场对载流子寿命、弛豫时间、激励光脉冲通量和脉冲宽度的依赖关系.
参考文献
[1] | Hattori T.;Nakatsuka H.;Tukamoto K. .Time-resolved study of intense terahertz pulses generated by a large-aperture photoconductive antenna[J].Japanese journal of applied physics,2001(8):4907-4912. |
[2] | Rodriguez R;Caceres S R;Taylor A J .Modeling of tevahertz radiation from biased photoconducters: transient relocity effects[J].Optics Letters,1994,19(23):1994. |
[3] | Darrow J.T.;Zhang X.-C. .Saturation properties of large-aperture photoconducting antennas[J].IEEE Journal of Quantum Electronics: A Publication of the IEEE Quantum Electronics and Applications Society,1992(6):1607-1616. |
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