Optical chemsensors utilizing long-period fibre gratings UV-inscribed in D-fibre with enhanced sensitivity through cladding etching

Xianfeng Chen; K. Zhou; L. Zhang; I. Bennion

doi:10.1109/LPT.2004.826148

Optical chemsensors utilizing long-period fibre gratings UV-inscribed in D-fibre with enhanced sensitivity through cladding etching

Xianfeng Chen, K. Zhou, L. Zhang, I. Bennion

Research output: Contribution to journal › Article › peer-review

Abstract

A novel implementation of an optical chemsensor device is reported based on long-period fiber grating structures ultraviolet-inscribed in D-fiber, with sensitivity enhancement by cladding etching. The results of a comparative study using D-fiber devices and similar structures in standard optical fiber reveal that the D-fiber devices offer substantially greater sensitivity both with and without etching. Based on a calibrated response to changes in refractive index, the grating devices have been used to measure the concentrations of aqueous sugar solutions, demonstrating the potential capability to detect concentration changes as small as 0.2%.

Original language	English
Pages (from-to)	1352-1354
Journal	IEEE Photonics Technology Letters
Volume	16
Issue number	5
DOIs	https://doi.org/10.1109/LPT.2004.826148
Publication status	Published - 4 May 2004

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title = "Optical chemsensors utilizing long-period fibre gratings UV-inscribed in D-fibre with enhanced sensitivity through cladding etching",

abstract = "A novel implementation of an optical chemsensor device is reported based on long-period fiber grating structures ultraviolet-inscribed in D-fiber, with sensitivity enhancement by cladding etching. The results of a comparative study using D-fiber devices and similar structures in standard optical fiber reveal that the D-fiber devices offer substantially greater sensitivity both with and without etching. Based on a calibrated response to changes in refractive index, the grating devices have been used to measure the concentrations of aqueous sugar solutions, demonstrating the potential capability to detect concentration changes as small as 0.2\%.",

author = "Xianfeng Chen and K. Zhou and L. Zhang and I. Bennion",

year = "2004",

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AU - Zhang, L.

AU - Bennion, I.

PY - 2004/5/4

Y1 - 2004/5/4

N2 - A novel implementation of an optical chemsensor device is reported based on long-period fiber grating structures ultraviolet-inscribed in D-fiber, with sensitivity enhancement by cladding etching. The results of a comparative study using D-fiber devices and similar structures in standard optical fiber reveal that the D-fiber devices offer substantially greater sensitivity both with and without etching. Based on a calibrated response to changes in refractive index, the grating devices have been used to measure the concentrations of aqueous sugar solutions, demonstrating the potential capability to detect concentration changes as small as 0.2%.

AB - A novel implementation of an optical chemsensor device is reported based on long-period fiber grating structures ultraviolet-inscribed in D-fiber, with sensitivity enhancement by cladding etching. The results of a comparative study using D-fiber devices and similar structures in standard optical fiber reveal that the D-fiber devices offer substantially greater sensitivity both with and without etching. Based on a calibrated response to changes in refractive index, the grating devices have been used to measure the concentrations of aqueous sugar solutions, demonstrating the potential capability to detect concentration changes as small as 0.2%.

U2 - 10.1109/LPT.2004.826148

DO - 10.1109/LPT.2004.826148

M3 - Article

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JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

IS - 5

ER -

Optical chemsensors utilizing long-period fibre gratings UV-inscribed in D-fibre with enhanced sensitivity through cladding etching

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