Methane detection using an interband-cascade LED coupled to a hollow-core fiber

Nathan Li; Lei Tao; Hongming Yi; Chul Soo Kim; Mijin Kim; Chadwick L. Canedy; Charles D. Merritt; William W. Bewley; Igor Vurgaftman; Jerry R. Meyer; Mark A. Zondlo

doi:10.1364/OE.415724

Methane detection using an interband-cascade LED coupled to a hollow-core fiber

Nathan Li, Lei Tao, Hongming Yi, Chul Soo Kim, Mijin Kim, Chadwick L. Canedy, Charles D. Merritt, William W. Bewley, Igor Vurgaftman, Jerry R. Meyer, Mark A. Zondlo

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

Midwave infrared interband-cascade light-emitting devices (ICLEDs) have the potential to improve the selectivity, stability, and sensitivity of low-cost gas sensors. We demonstrate a broadband direct absorption CH₄ sensor with an ICLED coupled to a plastic hollow-core fiber (1 m length, 1500 µm inner diameter). The sensor achieves a 1σ noise equivalent absorption of approximately 0.2 ppmv CH₄ at 1 Hz, while operating at a low drive power of 0.5 mW. A low-cost sub-ppmv CH₄ sensor would make monitoring emissions more affordable and more accessible for many relevant industries, such as the petroleum, agriculture, and waste industries.

Original language	English (US)
Pages (from-to)	7221-7231
Number of pages	11
Journal	Optics Express
Volume	29
Issue number	5
DOIs	https://doi.org/10.1364/OE.415724
State	Published - Mar 1 2021

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OE.415724

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title = "Methane detection using an interband-cascade LED coupled to a hollow-core fiber",

abstract = "Midwave infrared interband-cascade light-emitting devices (ICLEDs) have the potential to improve the selectivity, stability, and sensitivity of low-cost gas sensors. We demonstrate a broadband direct absorption CH4 sensor with an ICLED coupled to a plastic hollow-core fiber (1 m length, 1500 µm inner diameter). The sensor achieves a 1σ noise equivalent absorption of approximately 0.2 ppmv CH4 at 1 Hz, while operating at a low drive power of 0.5 mW. A low-cost sub-ppmv CH4 sensor would make monitoring emissions more affordable and more accessible for many relevant industries, such as the petroleum, agriculture, and waste industries.",

author = "Nathan Li and Lei Tao and Hongming Yi and Kim, {Chul Soo} and Mijin Kim and Canedy, {Chadwick L.} and Merritt, {Charles D.} and Bewley, {William W.} and Igor Vurgaftman and Meyer, {Jerry R.} and Zondlo, {Mark A.}",

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T1 - Methane detection using an interband-cascade LED coupled to a hollow-core fiber

AU - Li, Nathan

AU - Tao, Lei

AU - Yi, Hongming

AU - Kim, Chul Soo

AU - Kim, Mijin

AU - Canedy, Chadwick L.

AU - Merritt, Charles D.

AU - Bewley, William W.

AU - Vurgaftman, Igor

AU - Meyer, Jerry R.

AU - Zondlo, Mark A.

PY - 2021/3/1

Y1 - 2021/3/1

N2 - Midwave infrared interband-cascade light-emitting devices (ICLEDs) have the potential to improve the selectivity, stability, and sensitivity of low-cost gas sensors. We demonstrate a broadband direct absorption CH4 sensor with an ICLED coupled to a plastic hollow-core fiber (1 m length, 1500 µm inner diameter). The sensor achieves a 1σ noise equivalent absorption of approximately 0.2 ppmv CH4 at 1 Hz, while operating at a low drive power of 0.5 mW. A low-cost sub-ppmv CH4 sensor would make monitoring emissions more affordable and more accessible for many relevant industries, such as the petroleum, agriculture, and waste industries.

AB - Midwave infrared interband-cascade light-emitting devices (ICLEDs) have the potential to improve the selectivity, stability, and sensitivity of low-cost gas sensors. We demonstrate a broadband direct absorption CH4 sensor with an ICLED coupled to a plastic hollow-core fiber (1 m length, 1500 µm inner diameter). The sensor achieves a 1σ noise equivalent absorption of approximately 0.2 ppmv CH4 at 1 Hz, while operating at a low drive power of 0.5 mW. A low-cost sub-ppmv CH4 sensor would make monitoring emissions more affordable and more accessible for many relevant industries, such as the petroleum, agriculture, and waste industries.

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Methane detection using an interband-cascade LED coupled to a hollow-core fiber

Abstract

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