Ultra-highly sensitive surface-corrugated microfiber Bragg grating force sensor

Wei Luo; Jun Long Kou; Ye Chen; Fei Xu; Yan Qing Lu

doi:10.1063/1.4754838

Ultra-highly sensitive surface-corrugated microfiber Bragg grating force sensor

Wei Luo, Jun Long Kou, Ye Chen, Fei Xu, Yan Qing Lu

Research output: Journal article publication › Journal article › Academic research › peer-review

60 Citations (Scopus)

Abstract

We experimentally demonstrate a microfiber Bragg grating force sensor with ultra-high sensitivity. The fiber Bragg grating (FBG) is inscribed in a microfiber tapered from standard non-photosensitive single-mode fiber by focused ion beam machining method, and has a compact size (∼112μm in length). Small diameter increases the force sensitivity of such grating when acting as a force-sensing element under tensile loads. We have demonstrated force sensitivity as high as ∼3146nm/N around the resonant wavelength of 1538nm, which is three orders of magnitude larger than FBGs in untapered fibers.

Original language	English
Article number	133502
Journal	Applied Physics Letters
Volume	101
Issue number	13
DOIs	https://doi.org/10.1063/1.4754838
Publication status	Published - 24 Sept 2012
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4754838

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title = "Ultra-highly sensitive surface-corrugated microfiber Bragg grating force sensor",

abstract = "We experimentally demonstrate a microfiber Bragg grating force sensor with ultra-high sensitivity. The fiber Bragg grating (FBG) is inscribed in a microfiber tapered from standard non-photosensitive single-mode fiber by focused ion beam machining method, and has a compact size (∼112μm in length). Small diameter increases the force sensitivity of such grating when acting as a force-sensing element under tensile loads. We have demonstrated force sensitivity as high as ∼3146nm/N around the resonant wavelength of 1538nm, which is three orders of magnitude larger than FBGs in untapered fibers.",

author = "Wei Luo and Kou, \{Jun Long\} and Ye Chen and Fei Xu and Lu, \{Yan Qing\}",

note = "Funding Information: This work was supported by the National 973 program under Contract Nos. 2011CBA00200, 2012CB921803, and 2010CB327800 and the NSFC program under Contract Nos. 11074117 and 60977039. The authors also acknowledge the support from PAPD and the Fundamental Research Funds for the Central Universities.",

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AU - Luo, Wei

AU - Kou, Jun Long

AU - Chen, Ye

AU - Xu, Fei

AU - Lu, Yan Qing

N1 - Funding Information: This work was supported by the National 973 program under Contract Nos. 2011CBA00200, 2012CB921803, and 2010CB327800 and the NSFC program under Contract Nos. 11074117 and 60977039. The authors also acknowledge the support from PAPD and the Fundamental Research Funds for the Central Universities.

PY - 2012/9/24

Y1 - 2012/9/24

N2 - We experimentally demonstrate a microfiber Bragg grating force sensor with ultra-high sensitivity. The fiber Bragg grating (FBG) is inscribed in a microfiber tapered from standard non-photosensitive single-mode fiber by focused ion beam machining method, and has a compact size (∼112μm in length). Small diameter increases the force sensitivity of such grating when acting as a force-sensing element under tensile loads. We have demonstrated force sensitivity as high as ∼3146nm/N around the resonant wavelength of 1538nm, which is three orders of magnitude larger than FBGs in untapered fibers.

AB - We experimentally demonstrate a microfiber Bragg grating force sensor with ultra-high sensitivity. The fiber Bragg grating (FBG) is inscribed in a microfiber tapered from standard non-photosensitive single-mode fiber by focused ion beam machining method, and has a compact size (∼112μm in length). Small diameter increases the force sensitivity of such grating when acting as a force-sensing element under tensile loads. We have demonstrated force sensitivity as high as ∼3146nm/N around the resonant wavelength of 1538nm, which is three orders of magnitude larger than FBGs in untapered fibers.

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DO - 10.1063/1.4754838

M3 - Journal article

AN - SCOPUS:84877894107

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VL - 101

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 13

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ER -

Ultra-highly sensitive surface-corrugated microfiber Bragg grating force sensor

Abstract

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