Optical chemsensors utilizing long-period fibre gratings UV-inscribed in D-fibre with enhanced sensitivity through cladding etching
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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Yn: IEEE Photonics Technology Letters, Cyfrol 16, Rhif 5, 04.05.2004, t. 1352-1354.
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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T1 - Optical chemsensors utilizing long-period fibre gratings UV-inscribed in D-fibre with enhanced sensitivity through cladding etching
AU - Chen, Xianfeng
AU - Zhou, K.
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
VL - 16
SP - 1352
EP - 1354
JO - IEEE Photonics Technology Letters
JF - IEEE Photonics Technology Letters
SN - 1041-1135
IS - 5
ER -