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Sensors 2018, 18(11), 3793; https://doi.org/10.3390/s18113793

A THz Receiver with Novel Features and Functionality

Laboratory for Microelectronics, Faculty of Electrical Engineering, University of Ljubljana, Tržaska 25, Ljubljana, SI-1000 Ljubljana, Slovenia
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Received: 27 September 2018 / Revised: 27 October 2018 / Accepted: 2 November 2018 / Published: 6 November 2018
(This article belongs to the Special Issue THz Imaging Systems and Sensors)
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Abstract

The presented THz receiver is based on an antenna coupled titanium micro-bolometer. A new geometrical design improves the robustness and extends the lifetime of the sensor. A study of sensor lifetime using different biasing currents is presented. The lifetime was verified by several tests and over 1000 operating hours. A new micro-bolometer sensitivity measurement algorithm is presented in the paper and measurement results using the proposed algorithm are shown. The new algorithm was developed to be suitable for ATM production testing. In the paper, a novel feature called “sensitivity boosting” is described, together with its influence on sensitivity and lifetime. View Full-Text
Keywords: THz micro-bolometer; micro-bolometer lifetime; sensitivity boosting THz micro-bolometer; micro-bolometer lifetime; sensitivity boosting
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Sešek, A.; Berčan, D.; Gradišek, M.; Švigelj, A.; Trontelj, J. A THz Receiver with Novel Features and Functionality. Sensors 2018, 18, 3793.

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