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A broadband THz imager in a low-cost CMOS technology

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9 Author(s)

The paper demonstrates a complete acquisition chain of a 300GHz to 1THz image sensor with on-chip multiplexing in a 0.13μm bulk silicon CMOS technology. The pixel consumes less than 100μW and has a responsivity of 90kV/W at 300GHz and of 1.8kV/W at 1.05THz respectively. High resolution and contrast THz images revealing the inner structure of tree leaves are presented. These results show that multi-frequency and room temperature imaging systems are possible in cost-effective CMOS technologies.

Published in:

2011 IEEE International Solid-State Circuits Conference

Date of Conference:

20-24 Feb. 2011