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Proceedings Paper

Detection of the mm-wave radiation using a low-cost LWIR microbolometer camera from a multiplied Schottky diode based source
Author(s): Basak Kebapci; Firat Tankut; Hakan Altan; Tayfun Akin
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Paper Abstract

This paper presents the measurement and analysis method for detection of the mm-wave signal at 96 GHz, by using a low-cost microbolometer infrared (IR) camera with 70 μm pixel-pitch optimized for detection in the 8-12 μm (LWIR) range. The mm-wave beam derived from a multiplied Schottky diode based source is detected within ~ 65 % of the whole area of a 160×120 pixel focal plane array microbolometer sensor. Under ~73 mW incident power, responsivity is measured as 7.3 V/W, and the average noise for the measurement is determined as 12 μV, which includes both detector and readout electronics contribution. From the measured parameters, the integrated Noise Equivalent Power (NEP) is calculated as 1.63 μW within the 7.8 kHz readout bandwidth. By using a simple setup, it is shown that a low-cost microbolometer camera which is designed for LWIR range can detect a distinct mm-wave beam at 96 GHz.

Paper Details

Date Published: 21 October 2015
PDF: 5 pages
Proc. SPIE 9651, Millimetre Wave and Terahertz Sensors and Technology VIII, 96510L (21 October 2015); doi: 10.1117/12.2199450
Show Author Affiliations
Basak Kebapci, Middle East Technical Univ. (Turkey)
Firat Tankut, MikroSens Elektronik San. ve Tic. A. Ş. (Turkey)
Hakan Altan, Middle East Technical Univ. (Turkey)
Tayfun Akin, Middle East Technical Univ. (Turkey)
MikroSens Elektronik San. ve Tic. A. Ş. (Turkey)


Published in SPIE Proceedings Vol. 9651:
Millimetre Wave and Terahertz Sensors and Technology VIII
Neil A. Salmon; Eddie L. Jacobs, Editor(s)

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