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Improved low concentration gas detection system based on intracavity fiber laser
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Zhang, Hongxia, Liu, Kun, Jia, Dagong, Xu, Tianhua, Liu, Tiegen, Peng, Gangding, Jing, Wencai and Zhang, Yimo (2011) Improved low concentration gas detection system based on intracavity fiber laser. Review of Scientific Instruments, 82 (2). 023104. doi:10.1063/1.3534077
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Official URL: http://dx.doi.org/10.1063/1.3534077
Abstract
The improvement of a low concentration gas detection system based on the intracavity fiber laser is proposed in this paper. The sensitivity of the system is deduced based on Lambert–Beer law. The optimized system was established with the gas cell made elaborately. In order to apply the wavelength sweeping technique, the fiber Bragg grating reflector was substituted by the wavelength independent Faraday rotation reflector. The sensitivity of the system for acetylene detection is reduced to less than 100 ppm by using the average of three absorption spectra. The acetylene detection coefficients of variation with different concentrations are measured. The gas measurement system is validated to detect low concentration gas effectively.
| Item Type: | Journal Article | |||||||||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology |
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| Divisions: | Faculty of Science > Engineering | |||||||||||||||
| Library of Congress Subject Headings (LCSH): | Gas detectors , Optical fiber detectors | |||||||||||||||
| Journal or Publication Title: | Review of Scientific Instruments | |||||||||||||||
| Publisher: | American Institute of Physics | |||||||||||||||
| ISSN: | 0034-6748 | |||||||||||||||
| Official Date: | 2011 | |||||||||||||||
| Dates: |
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| Date of first compliant deposit: | 17 November 2017 | |||||||||||||||
| Volume: | 82 | |||||||||||||||
| Number: | 2 | |||||||||||||||
| Article Number: | 023104 | |||||||||||||||
| DOI: | 10.1063/1.3534077 | |||||||||||||||
| Status: | Peer Reviewed | |||||||||||||||
| Publication Status: | Published | |||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||||||||
| RIOXX Funder/Project Grant: |
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