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Volume 17
Issue 4
10.3390/s17040908
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Article

Enhancing the Responsivity of Uncooled Infrared Detectors Using Plasmonics for High-Performance Infrared Spectroscopy

by
Amr Shebl Ahmed
1,
Hye Jin Kim
2,
Jinsik Kim
3,
Kyo Seon Hwang
4,* and
Seonghwan Kim
1,*
1
Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
2
Center for BioMicrosystems, Korea Institute of Science and Technology, Seoul 02792, Korea
3
Department of Medical Biotechnology, Dongguk University, Seoul 10326, Korea
4
Department of Clinical Pharmacology and Therapeutics, Kyung Hee University, Seoul 02447, Korea
*
Authors to whom correspondence should be addressed.
Sensors 2017, 17(4), 908; https://doi.org/10.3390/s17040908
Submission received: 1 March 2017 / Revised: 15 April 2017 / Accepted: 18 April 2017 / Published: 20 April 2017
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Canada 2017)
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Abstract

A lead zirconate titanate (PZT;Pb(Zr0.52Ti0.48)O3) layer embedded infrared (IR) detector decorated with wavelength-selective plasmonic crystals has been investigated for high-performance non-dispersive infrared (NDIR) spectroscopy. A plasmonic IR detector with an enhanced IR absorption band has been designed based on numerical simulations, fabricated by conventional microfabrication techniques, and characterized with a broadly tunable quantum cascade laser. The enhanced responsivity of the plasmonic IR detector at specific wavelength band has improved the performance of NDIR spectroscopy and pushed the limit of detection (LOD) by an order of magnitude. In this paper, a 13-fold enhancement in the LOD of a methane gas sensing using NDIR spectroscopy is demonstrated with the plasmonic IR detector.
Keywords: plasmonics; infrared detector; MEMS; gas sensing plasmonics; infrared detector; MEMS; gas sensing

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MDPI and ACS Style

Ahmed, A.S.; Kim, H.J.; Kim, J.; Hwang, K.S.; Kim, S. Enhancing the Responsivity of Uncooled Infrared Detectors Using Plasmonics for High-Performance Infrared Spectroscopy. Sensors 2017, 17, 908. https://doi.org/10.3390/s17040908

AMA Style

Ahmed AS, Kim HJ, Kim J, Hwang KS, Kim S. Enhancing the Responsivity of Uncooled Infrared Detectors Using Plasmonics for High-Performance Infrared Spectroscopy. Sensors. 2017; 17(4):908. https://doi.org/10.3390/s17040908

Chicago/Turabian Style

Ahmed, Amr Shebl, Hye Jin Kim, Jinsik Kim, Kyo Seon Hwang, and Seonghwan Kim. 2017. "Enhancing the Responsivity of Uncooled Infrared Detectors Using Plasmonics for High-Performance Infrared Spectroscopy" Sensors 17, no. 4: 908. https://doi.org/10.3390/s17040908

APA Style

Ahmed, A. S., Kim, H. J., Kim, J., Hwang, K. S., & Kim, S. (2017). Enhancing the Responsivity of Uncooled Infrared Detectors Using Plasmonics for High-Performance Infrared Spectroscopy. Sensors, 17(4), 908. https://doi.org/10.3390/s17040908

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