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Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
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Sensors and Materials
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Sensors and Materials, Volume 26, Number 4 (2014)
Copyright(C) MYU K.K.
pp. 253-262
S&M989 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2014.970
Published: May 27, 2014

Nondispersive Infrared Gas Sensor Using InSb-Based Photovoltaic-Type Infrared Sensor [PDF]

Edson Gomes Camargo, Seiichi Tokuo, Hiromasa Goto and Naohiro Kuze

(Received December 2, 2013; Accepted February 17, 2014)

Keywords: NDIR, InSb, photodiode, infrared, carbon dioxide, gas sensor

We have developed an uncooled InSb-based infrared sensor with small features, high sensitivity, fast response, and spectral response ranging from 2 to 7 µm. A miniaturized nondispersive infrared (NDIR) gas sensor module was also implemented and tested. Gas concentration measurements were performed, showing that the sensor can detect several gases, such as CO2, CO, and NOx, which have absorption peaks at the wavelength response range of the detector. In this work, a fully digital CO2 meter was implemented, showing that our detector allows fast response measurements implementable in small modules.

Corresponding author: Edson Gomes Camargo


Cite this article
Edson Gomes Camargo, Seiichi Tokuo, Hiromasa Goto and Naohiro Kuze, Nondispersive Infrared Gas Sensor Using InSb-Based Photovoltaic-Type Infrared Sensor, Sens. Mater., Vol. 26, No. 4, 2014, p. 253-262.



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