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Proceedings 2017, 1(4), 555; doi:10.3390/proceedings1040555

Binary Zone Plate Infrared Spectrometer for Dissolved Gas Analysis in High Voltage Equipment

Department of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB, Canada
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
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Published: 16 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
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Abstract

An IR spectrometer based on a Binary Zone Plate (BZP) is presented for dissolved gas analysis. The wavelength selective focal length of the BZP can effectively discriminate between wavelengths ranging from 800 nm to 8 μm, by adjusting the focus distance onto an aperture in the image plane from 19 mm to 200 mm. The aperture serves to pass focused radiation onto the detector. The BZP has a focal length of 50 mm for a design wavelength of 3 μm, with 400 zones. This design enables discrimination between all key fault gases present in oil impregnated high voltage equipment.
Keywords: binary zone plate; IR spectroscopy; dissolved gas analysis; gas detection; fourier optics; spectrometer binary zone plate; IR spectroscopy; dissolved gas analysis; gas detection; fourier optics; spectrometer
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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Glowacki, P.; Shafai, C. Binary Zone Plate Infrared Spectrometer for Dissolved Gas Analysis in High Voltage Equipment. Proceedings 2017, 1, 555.

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