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解   决  方  案

                从式(8)和式(9)可以看出,通过观测两个谐振谷波长的移                        resonance based ¯ber optic chemical and biosensors  utili-
            动量,即可同时得出折射率和温度的变化量,也就是说,该传感器                           zing bulk and nanostructures. Optics & Laser Technology,
            实现了对溶液温度和折射率的同时测量,并且解决了折射率与温                            2018,101: 144-161
            度之间的交叉敏感问题.因此本文提出的传感器的折射率测量灵                         7  Wang X, Chen D, Li H, Feng G, Yang J. In-line Mach-Zehnder
            敏度为1764.3nm/RIU,温度灵敏度达到了-1.02nm/°C.由于本                  interferometric sensor based on a seven-core optical¯ber.
            测试系统中所采用的海洋光学光谱仪对波长的分辨力为1nm,所                           IEEE Sensors Journal, 2017, 17(1): 100-104
                                            -4
            以该传感器的折射率分辨力为5.668*10 RIU,而温度分辨力为                    8  Bai Y, Qi Y, Dong Y, Jian S. Highly sensitive temperatureand
            0.98°C.                                                 pressure sensor based on Fabry-Perot interference. IEEE
                                                                    Photonics Technology Letters, 2016, 28(21): 2471-2474
                三、总结                                                                      9  Zhang Z, Shen C, Li L. Tem-
                本文提出了一种反射式光                                                                  perature-independent ber-
            纤SPR传感器来同时测量液体的                                                                  Bragggrating-based atmosphe-
            折射率和温度.传感器的折射率                                                                   ric pressure sensor. Optics
            灵敏度为1764.3nm/RIU,温度灵                                                             Communications, 2018, 411: 1
            敏度达到了-1.02nm/°C,而且                                                               08-113
            该传感器具有良好的重复性和                                                                 10  Wei Y, Su Y, Liu C,et al.
            稳定性.最后我们引入双波长矩                                                                    Segmented detection SPR
            阵解决了温度对折射率测量的                                                                     sensor based on seven-core
            交叉影响.这种反射式的光纤                                                                     ¯ber. Optics Express, 2017,
            SPR折射率和温度传感器将在生                                                                   25(18):21841-21850
            物医学,环境监测等许多领域具                                                                11  Ding Z,Lang T,Wang Y,Zhao
            有广泛的应用前景.                                                                         C. Surface plasmon resonan-
                                                                                              ce refractive index sensor
            参考文献                                                                              based on tapered coreless
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