Quasi-Optical Millimeter- and Submillimeter- wave Array Detectors

本项目将开发采用新型集成喇叭天线结构的毫米波和亚毫米波SIS外差接收机。该结构的关键部分是一个微机械喇叭天线，该天线是通过在制造SIS器件的硅晶片上进行各向异性蚀刻制成的。密歇根大学最近的工作（使用w波段的室温肖特基探测器）显示了这种结构的出色的天线波束模式和天线效率。由于光刻技术易于制造，这种结构可以缩放到1thz以上。利用这种集成的喇叭结构来构造焦平面阵列也是可行的。

9423608 HU, Qing This project will develop millimeter- and submillimeter-wave SIS heterodyne receivers using a novel integrated horn antenna structure. The essential part of this structure is a micromachined horn antenna made by anisotropically etching the Si wafers on which the SIS devices are fabricated. Recent work at University of Michigan (using a room-temperature Schottky detector at W-band) has shown excellent antenna beam patterns and antenna efficiencies for such structures. Because of the easy fabrication associated with photolithography, this structure can be scaled to above 1 Thz. It will also be feasible to construct focal-plane arrays using this integrated horn structure .