Long period grating-based refractive index sensor for chloride concentration measurement
Long period grating-based refractive index sensor for chloride concentration measurement
复制标题
用于氯离子浓度测量的长周期光栅折射率传感器
DOI:
10.1117/12.786552
复制
发表时间:
2008
期刊:
影响因子:
--
通讯作者:
Lam C
中科院分区:
文献类型:
--
作者:
Lam C
Effective devices for the monitoring of chloride ions are required in industry this work reports on the development of a reflective long period grating-based senor for the measurement of chloride ions in solution. The device is based around a long period fibre grating (LPG)-based Michelson interferometer where the sensor was calibrated and evaluated in the laboratory using sodium chloride solutions, over a wide range of concentrations, from 0.01 M to 4.00 M. The grating response yields shifts in the spectral characteristic of the interferometer, due to the change of refractive index of the solution surrounding it. The work was stimulated by the need for the more effective measurement of the ingress water-borne ions in structural concrete. It was found that the sensitivity of the device could be enhanced over that obtained from a bare LPG by coating the LPG-based interferometer with gold nanoparticles. Devices using this approach were also evaluated and their performance cross-compared.
DOI:
--
发表时间:
2008
期刊:
American Concrete Institute, ACI Special Publication
影响因子:
--
作者:
Lam C.C.C.
通讯作者:
Lam C.C.C.
影响因子:
1.3
作者:
Jaw;Tsung;H. Chang;Jian
通讯作者:
Jian
影响因子:
1.1
作者:
Lee, BH;Nishii, J
通讯作者:
Nishii, J