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Multiple fiber Bragg grating interrogation based on a spectrum-limited Fourier domain mode-locking fiber laser
2008 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 33, no 13, 1395-1397 p.Article in journal (Refereed) Published
Abstract [en]

A novel fiber Bragg grating (FBG) sensing system based on a spectrum-limited Fourier domain mode-locking (SL-FDML) fiber laser is proposed. Multiple FBGs cascaded in a long fiber are utilized as both the sensors in the system and the wavelength-selected components in the SL-FDML fiber laser. Both wavelength-division multiplexing and spatial-division multiplexing techniques are demonstrated for interrogation of multiple FBGs by mapping the wavelength measurement to the time measurement and by adjusting the driving frequency of the SL-FDML fiber laser. The proposed FBG sensing system, employing techniques of the wavelength- and spatial-domain interrogation of multiple FBGs, can be used in remote and quasi-distributed multipoint sensing.

Place, publisher, year, edition, pages
2008. Vol. 33, no 13, 1395-1397 p.
Keyword [en]
sensor system, filter
Identifiers
URN: urn:nbn:se:kth:diva-17734ISI: 000258017800001OAI: oai:DiVA.org:kth-17734DiVA: diva2:335779
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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He, Sailing

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