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Multiple fiber Brag...
Multiple fiber Bragg grating interrogation based on a spectrum-limited Fourier domain mode-locking fiber laser
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Chen, D. (författare)
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Shu, C. (författare)
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He, Sailing (författare)
- 2008
- 2008
- Engelska.
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Ingår i: Optics Letters. - 0146-9592 .- 1539-4794. ; 33:13, s. 1395-1397
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
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- 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.
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