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Title: Compact CH{sub 4} sensor system based on a continuous-wave, low power consumption, room temperature interband cascade laser

Abstract

A tunable diode laser absorption spectroscopy-based methane sensor, employing a dense-pattern multi-pass gas cell and a 3.3 μm, CW, DFB, room temperature interband cascade laser (ICL), is reported. The optical integration based on an advanced folded optical path design and an efficient ICL control system with appropriate electrical power management resulted in a CH{sub 4} sensor with a small footprint (32 × 20 × 17 cm{sup 3}) and low-power consumption (6 W). Polynomial and least-squares fit algorithms are employed to remove the baseline of the spectral scan and retrieve CH{sub 4} concentrations, respectively. An Allan-Werle deviation analysis shows that the measurement precision can reach 1.4 ppb for a 60 s averaging time. Continuous measurements covering a seven-day period were performed to demonstrate the stability and robustness of the reported CH{sub 4} sensor system.

Authors:
 [1]; ; ;  [1]; ;  [2]
  1. Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005 (United States)
  2. Department of Civil and Environmental Engineering, Rice University, Houston, Texas 77005 (United States)
Publication Date:
OSTI Identifier:
22489225
Resource Type:
Journal Article
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 108; Journal Issue: 1; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0003-6951
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ABSORPTION SPECTROSCOPY; ABUNDANCE; ACCURACY; CONTROL SYSTEMS; LASERS; LEAST SQUARE FIT; METHANE; SENSORS; STABILITY; TEMPERATURE RANGE 0273-0400 K

Citation Formats

Dong, Lei, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006, Li, Chunguang, Gluszek, Aleksander K., Tittel, Frank K., Sanchez, Nancy P., and Griffin, Robert J. Compact CH{sub 4} sensor system based on a continuous-wave, low power consumption, room temperature interband cascade laser. United States: N. p., 2016. Web. doi:10.1063/1.4939452.
Dong, Lei, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006, Li, Chunguang, Gluszek, Aleksander K., Tittel, Frank K., Sanchez, Nancy P., & Griffin, Robert J. Compact CH{sub 4} sensor system based on a continuous-wave, low power consumption, room temperature interband cascade laser. United States. https://doi.org/10.1063/1.4939452
Dong, Lei, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006, Li, Chunguang, Gluszek, Aleksander K., Tittel, Frank K., Sanchez, Nancy P., and Griffin, Robert J. Mon . "Compact CH{sub 4} sensor system based on a continuous-wave, low power consumption, room temperature interband cascade laser". United States. https://doi.org/10.1063/1.4939452.
@article{osti_22489225,
title = {Compact CH{sub 4} sensor system based on a continuous-wave, low power consumption, room temperature interband cascade laser},
author = {Dong, Lei and State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006 and Li, Chunguang and Gluszek, Aleksander K. and Tittel, Frank K. and Sanchez, Nancy P. and Griffin, Robert J.},
abstractNote = {A tunable diode laser absorption spectroscopy-based methane sensor, employing a dense-pattern multi-pass gas cell and a 3.3 μm, CW, DFB, room temperature interband cascade laser (ICL), is reported. The optical integration based on an advanced folded optical path design and an efficient ICL control system with appropriate electrical power management resulted in a CH{sub 4} sensor with a small footprint (32 × 20 × 17 cm{sup 3}) and low-power consumption (6 W). Polynomial and least-squares fit algorithms are employed to remove the baseline of the spectral scan and retrieve CH{sub 4} concentrations, respectively. An Allan-Werle deviation analysis shows that the measurement precision can reach 1.4 ppb for a 60 s averaging time. Continuous measurements covering a seven-day period were performed to demonstrate the stability and robustness of the reported CH{sub 4} sensor system.},
doi = {10.1063/1.4939452},
url = {https://www.osti.gov/biblio/22489225}, journal = {Applied Physics Letters},
issn = {0003-6951},
number = 1,
volume = 108,
place = {United States},
year = {2016},
month = {1}
}

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    Pressure-dependent sensitivity of a single-pass methane detection system using a continuous-wave distributed feedback laser at 3270  nm
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    Compact photoacoustic module for methane detection incorporating interband cascade light emitting device
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