A novel fiber-optic intra-cavity sensing network using a mode-locked fiber ring laser

H. B. Yu; Wei Jin; Y. B. Liao; G. Stewart; B. Culshaw; H. L. Ho; Y. H. Li

doi:10.1109/OFS.2002.1000735

A novel fiber-optic intra-cavity sensing network using a mode-locked fiber ring laser

H. B. Yu, Wei Jin, Y. B. Liao, G. Stewart, B. Culshaw, H. L. Ho, Y. H. Li

The Hong Kong Polytechnic University

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

5 Citations (Scopus)

Abstract

A promising method for high sensitivity gas detection is intra-cavity spectroscopy (V.M. Baev et al., Applied Physics vol. B55, pp. 463-477, 1992), where the gas absorber is placed directly within a laser cavity. The high sensitivity arises from the very large number of passes through the gas cell within the cavity, effectively transforming a short absorption cell into a highly efficient multi-pass system. As a consequence a weak gas absorption line can have an enormous impact on the laser output. Recently intra-cavity spectroscopy with fiber lasers has attracted considerable attention. An all-fiber intra-cavity laser system can use the mature passive and active fiber components from the communications market with compact micro-optic gas cells, allowing safe, remote and continuous gas monitoring. In this paper, we present a system that combines a mode-locked fiber ring laser with intra-cavity spectroscopy to distinguish between different gas cells in a ladder sensing network. The system outputs strong pulsed lasing signals only when certain matching conditions are satisfied (J.S. Wey et al., IEEE Photonics Tech. Lett., vol. 7, no. 2, pp. 152-154, 1995) and individual sensors are addressed by different frequencies of the mode-locked fiber ring laser.

Original language	English
Title of host publication	2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002
Publisher	IEEE
Pages	507-510
Number of pages	4
ISBN (Electronic)	0780372891, 9780780372894
DOIs	https://doi.org/10.1109/OFS.2002.1000735
Publication status	Published - 1 Jan 2002
Event	15th Optical Fiber Sensors Conference Technical Digest, OFS 2002 - Hilton Portland, Portland, United States Duration: 6 May 2002 → 10 May 2002

Conference

Conference	15th Optical Fiber Sensors Conference Technical Digest, OFS 2002
Country/Territory	United States
City	Portland
Period	6/05/02 → 10/05/02

ASJC Scopus subject areas

Hardware and Architecture
Electrical and Electronic Engineering

More information

10.1109/OFS.2002.1000735

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title = "A novel fiber-optic intra-cavity sensing network using a mode-locked fiber ring laser",

abstract = "A promising method for high sensitivity gas detection is intra-cavity spectroscopy (V.M. Baev et al., Applied Physics vol. B55, pp. 463-477, 1992), where the gas absorber is placed directly within a laser cavity. The high sensitivity arises from the very large number of passes through the gas cell within the cavity, effectively transforming a short absorption cell into a highly efficient multi-pass system. As a consequence a weak gas absorption line can have an enormous impact on the laser output. Recently intra-cavity spectroscopy with fiber lasers has attracted considerable attention. An all-fiber intra-cavity laser system can use the mature passive and active fiber components from the communications market with compact micro-optic gas cells, allowing safe, remote and continuous gas monitoring. In this paper, we present a system that combines a mode-locked fiber ring laser with intra-cavity spectroscopy to distinguish between different gas cells in a ladder sensing network. The system outputs strong pulsed lasing signals only when certain matching conditions are satisfied (J.S. Wey et al., IEEE Photonics Tech. Lett., vol. 7, no. 2, pp. 152-154, 1995) and individual sensors are addressed by different frequencies of the mode-locked fiber ring laser.",

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Yu, HB, Jin, W, Liao, YB, Stewart, G, Culshaw, B, Ho, HL & Li, YH 2002, A novel fiber-optic intra-cavity sensing network using a mode-locked fiber ring laser. in 2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002., 1000735, IEEE, pp. 507-510, 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002, Portland, United States, 6/05/02. https://doi.org/10.1109/OFS.2002.1000735

A novel fiber-optic intra-cavity sensing network using a mode-locked fiber ring laser. / Yu, H. B.; Jin, Wei; Liao, Y. B. et al.
2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002. IEEE, 2002. p. 507-510 1000735.

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

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A novel fiber-optic intra-cavity sensing network using a mode-locked fiber ring laser

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