A 0.53 THz Reconfigurable Source Module With Up to 1 mW Radiated Power for Diffuse Illumination in Terahertz Imaging Applications
A 0.53 THz Reconfigurable Source Module With Up to 1 mW Radiated Power for Diffuse Illumination in Terahertz Imaging Applications
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辐射功率高达 1 mW 的 0 53 THz 可重构光源模块,适用于太赫兹成像应用中的漫射照明
DOI:
10.1109/jssc.2014.2358570
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发表时间:
2014
影响因子:
5.4
通讯作者:
B. Heinemann
中科院分区:
文献类型:
--
作者:
U. R. Pfeiffer;Y. Zhao;J. Grzyb;R. Al Hadi;N.Sarmah;Neelanjan;W. Föster;H. Rücker;B. Heinemann
This paper presents a high-power 0.53 THz source module with programmable diversity to adjust the brightness and the direction of light to obtain the desired diffuse lighting conditions in THz imaging applications. The source module consists of a single SiGe BiCMOS chip which operates an array of 16 source-pixel incoherently. Each source pixel consists of a primary on-chip ring-antenna and two triple-push oscillators locked 180° out-of-phase. The module provides a total radiated power of up to 1 mW (0 dBm) with 62.5 μW (-12 dBm) per source pixel on average and an EIRP per pixel of 25 dBm. The circuit layout is scalable in size and output power. The chip consumes up to 2.5 W from a 2.4 V supply and 3.2 mW from a digital 1.2 V supply respectively. The module includes a secondary silicon lens, is programmable through a CPLD, and supplied from a USB port. The THz radiation can be recorded with a CMOS 1 k-pixel THz video camera and represent an all silicon solution for real-time active THz imaging.
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DOI:
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期刊:
2007 IEEE International Symposium on Circuits and Systems
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