Monitoring of Microorganisms Growth Process Based on Fiber Bragg Grating Biosensor

Ming Fu Zhao; De Yi Huang; Lei Zi Jiao; Xue Mei Cao; Xi Han

doi:10.4028/www.scientific.net/AMM.84-85.586

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 84-85Monitoring of Microorganisms Growth Process Based...

Monitoring of Microorganisms Growth Process Based on Fiber Bragg Grating Biosensor

Abstract:

The low refractive index sensing principle of the fiber Bragg grating (FBG) was analyzed theoretically, the temperature compensation scheme corresponding to the theoretical model was established. A single-end etched FBG was designed and fabricated for simultaneous measurement of temperature and refractive index. The experimental results demonstrated that the Bragg wavelength shift exhibits a nonlinear behavior with the temperature and yeast refractive index changes. The temperature change to the influence of the sensor was eliminated by numerical analysis, and then the relationship between the Bragg wavelength shift and the yeast refractive index is linear, the sensor yeast refractive index sensitivity of 5.42nm/riu was obtained.

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Periodical:

Applied Mechanics and Materials (Volumes 84-85)

Pages:

586-589

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.84-85.586

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Online since:

August 2011

Authors:

Ming Fu Zhao, De Yi Huang, Lei Zi Jiao, Xue Mei Cao, Xi Han

Keywords:

Biosensor, Fiber Bragg Grating (FBG), Refractive Index, Single-End Etched, Yeast

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