Dichloromethane detection based on near-infrared absorptive sensing

Jae Ho Han; Sang Min Yoon

doi:10.1109/JSTQE.2011.2180367

Dichloromethane detection based on near-infrared absorptive sensing

Jae Ho Han, Sang Min Yoon

Research output: Contribution to journal › Review article › peer-review

3 Citations (Scopus)

Abstract

Dichloromethane (DCM), a clear and lipophilic liquid that has been primarily used in industrial applications, has caused organic poisoning upon inhalation during its wide use as a chlorinated organic solvent and in other industrial processes. In this paper, a biophotonic near-infrared sensor using a tunable fiber ring laser based on an absorption spectroscopic method has been demonstrated in order to perform DCM detection. A continuous wave near-infrared source operating in the C-band wavelength range has been developed and optically characterized. The principle of the Sagnac loop mirror, which operates as a saturable absorber to effectively narrow down the laser linewidth, has been reviewed. By forming a fiber-based interferometer loop with an unpumped erbium-doped fiber inserted, we could reduce the external noise and stabilize the laser frequency to achieve a narrow linewidth. The result shows an accuracy of 16 pm or 0.06 cm ^-1, which is much more precise than the previous results of 1 nm or 4 cm ^-1 using a method based on a broadband infrared light source.

Original language	English
Article number	6107513
Pages (from-to)	1547-1552
Number of pages	6
Journal	IEEE Journal on Selected Topics in Quantum Electronics
Volume	18
Issue number	5
DOIs	https://doi.org/10.1109/JSTQE.2011.2180367
Publication status	Published - 2012

Bibliographical note

Funding Information:
Manuscript received September 8, 2011; revised November 27, 2011; accepted December 1, 2011. Date of publication December 16, 2011; date of current version August 24, 2012. This work was supported by the World Class University Program funded by the Ministry of Education, Science, and Technology through the National Research Foundation of Korea under Grant R31-10008. This work was also supported in part by the Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology under Grant 2011-0010823.

Keywords

Biophotonics
fiber optics
optical fiber lasers
optical sensors
spectroscopy

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/JSTQE.2011.2180367

Cite this

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title = "Dichloromethane detection based on near-infrared absorptive sensing",

abstract = "Dichloromethane (DCM), a clear and lipophilic liquid that has been primarily used in industrial applications, has caused organic poisoning upon inhalation during its wide use as a chlorinated organic solvent and in other industrial processes. In this paper, a biophotonic near-infrared sensor using a tunable fiber ring laser based on an absorption spectroscopic method has been demonstrated in order to perform DCM detection. A continuous wave near-infrared source operating in the C-band wavelength range has been developed and optically characterized. The principle of the Sagnac loop mirror, which operates as a saturable absorber to effectively narrow down the laser linewidth, has been reviewed. By forming a fiber-based interferometer loop with an unpumped erbium-doped fiber inserted, we could reduce the external noise and stabilize the laser frequency to achieve a narrow linewidth. The result shows an accuracy of 16 pm or 0.06 cm -1, which is much more precise than the previous results of 1 nm or 4 cm -1 using a method based on a broadband infrared light source.",

keywords = "Biophotonics, fiber optics, optical fiber lasers, optical sensors, spectroscopy",

author = "Han, {Jae Ho} and Yoon, {Sang Min}",

note = "Funding Information: Manuscript received September 8, 2011; revised November 27, 2011; accepted December 1, 2011. Date of publication December 16, 2011; date of current version August 24, 2012. This work was supported by the World Class University Program funded by the Ministry of Education, Science, and Technology through the National Research Foundation of Korea under Grant R31-10008. This work was also supported in part by the Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology under Grant 2011-0010823.",

year = "2012",

doi = "10.1109/JSTQE.2011.2180367",

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AU - Han, Jae Ho

AU - Yoon, Sang Min

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Y1 - 2012

N2 - Dichloromethane (DCM), a clear and lipophilic liquid that has been primarily used in industrial applications, has caused organic poisoning upon inhalation during its wide use as a chlorinated organic solvent and in other industrial processes. In this paper, a biophotonic near-infrared sensor using a tunable fiber ring laser based on an absorption spectroscopic method has been demonstrated in order to perform DCM detection. A continuous wave near-infrared source operating in the C-band wavelength range has been developed and optically characterized. The principle of the Sagnac loop mirror, which operates as a saturable absorber to effectively narrow down the laser linewidth, has been reviewed. By forming a fiber-based interferometer loop with an unpumped erbium-doped fiber inserted, we could reduce the external noise and stabilize the laser frequency to achieve a narrow linewidth. The result shows an accuracy of 16 pm or 0.06 cm -1, which is much more precise than the previous results of 1 nm or 4 cm -1 using a method based on a broadband infrared light source.

AB - Dichloromethane (DCM), a clear and lipophilic liquid that has been primarily used in industrial applications, has caused organic poisoning upon inhalation during its wide use as a chlorinated organic solvent and in other industrial processes. In this paper, a biophotonic near-infrared sensor using a tunable fiber ring laser based on an absorption spectroscopic method has been demonstrated in order to perform DCM detection. A continuous wave near-infrared source operating in the C-band wavelength range has been developed and optically characterized. The principle of the Sagnac loop mirror, which operates as a saturable absorber to effectively narrow down the laser linewidth, has been reviewed. By forming a fiber-based interferometer loop with an unpumped erbium-doped fiber inserted, we could reduce the external noise and stabilize the laser frequency to achieve a narrow linewidth. The result shows an accuracy of 16 pm or 0.06 cm -1, which is much more precise than the previous results of 1 nm or 4 cm -1 using a method based on a broadband infrared light source.

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KW - fiber optics

KW - optical fiber lasers

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KW - spectroscopy

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Dichloromethane detection based on near-infrared absorptive sensing

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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