Optical fibre gratings as tools for chemical and biochemical sensing

被引：123
作者：
Baldini, F. [1 ]
Brenci, M. [1 ]
Chiavaioli, F. [2 ]
Giannetti, A. [1 ]
Trono, C. [1 ]
机构：
[1] IFAC CNR, I-50019 Sesto Fiorentino, FI, Italy
[2] Univ Siena, Dept Informat Engn, I-53100 Siena, Italy
来源：
ANALYTICAL AND BIOANALYTICAL CHEMISTRY | 2012年 / 402卷 / 01期
关键词：
Optical grating; Long-period grating; Fibre Bragg grating; Chemical sensing; Biochemical sensing; BRAGG GRATINGS; SENSORS; BIOSENSORS; DNA; INDEX; TRANSITION; RESONANCES;
D O I：
10.1007/s00216-011-5492-3
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Optical fibre gratings have recently been suggested as optical platforms for chemical and biochemical sensing. On the basis of the measurement of refractive index changes induced by a chemical and biochemical interaction in the transmission spectrum along the fibres, they are proposed as a possible alternative to the other label-free optical approaches, such as surface plasmon resonance and optical resonators. The combination of the use of optical fibres with the fact that the signal modulation is spectrally encoded offers multiplexing and remote measurement capabilities which the other technology platforms are not able to or can hardly offer. The fundamentals of the different types of optical fibre gratings are described and the performances of the chemical and biochemical sensors based on this approach are reviewed. Advantages and limitations of optical fibre gratings are considered, with a look at new perspectives for their utilization in the field.
引用
收藏
页码：109 / 116
页数：8
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