Polarization-switching FBG interrogator for wavelength-encoded polarization-sensitive measurements

机译：偏振切换FBG询问器，用于波长编码的偏振敏感测量

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We present an FBG interrogation system incorporating a fast polarization selection mechanism that enables the independent detection of sensor responses to orthogonal polarizations. By configuring the polarization-switching subsystem in two example schemes - switching between either orthogonal linearly or circularly polarized FBG reflections - we demonstrate the system's capability to interrogate single transducers for both fiber bend and longitudinal strain, or for both magnetic field strength and temperature. With each embodiment the capability for serial multiplexing of sensors is retained. The technique allows magnetic field or bend to be measured using intrinsic multiplexable wavelength-encoded sensors, and will be applicable to a number of other polarization-dependent measurements such as electric field or transverse strain.

机译：我们提出了一种结合了快速极化选择机制的FBG询问系统，该机制能够独立检测传感器对正交极化的响应。通过在两个示例方案中配置偏振切换子系统-在正交线性或圆偏振FBG反射之间进行切换-我们演示了该系统针对光纤弯曲和纵向应变或磁场强度和温度对单个换能器进行询问的能力。对于每个实施例，保持了传感器的串行多路复用的能力。该技术允许使用固有的可复用波长编码传感器测量磁场或弯曲，并将适用于许多其他与偏振有关的测量，例如电场或横向应变。

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《International conference on optical fiber sensors;OFS21》|2011年|p.77537J.1-77537J.4|共4页
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Philip Orr; Pawel Niewczas;
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中图分类 TP212;
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fibre bragg gratings; optical fibre sensors; magnetic field sensors; bend sensors.;

机译：光纤布拉格光栅光纤传感器;磁场传感器弯曲传感器。;

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专利

1. Interrogation technique using a novel spectra bandwidth measurement method with a blazed FBG and a fiber-optic array for an FBG displacement sensor [J] . Zhao Y., Huang H., Wang Q. Sensors and Actuators, A. Physical . 2011,第2期

机译：使用新颖的光谱带宽测量方法的询问技术，该方法具有用于FBG位移传感器的炽热FBG和光纤阵列
2. Novel FBG triangular filter for interrogating a FBG sensor in dynamic strain measurement [J] . SHAO Li-yang, SONG Jian-fei, ZHANG A-ping, Optoelectronics letters . 2006,第5期

机译：新型FBG三角滤波器，用于在动态应变测量中询问FBG传感器
3. Hybrid optical fibre sensor for simultaneous dynamic FBG interrogation and distributed static strain/temperature measurements [J] . Taki M., Nannipieri T., Zaidi F., Electronics Letters . 2012,第24期

机译：混合光纤传感器可同时进行动态FBG询问和分布式静态应变/温度测量
4. Polarization-switching FBG interrogator for wavelength-encodedpolarization-sensitive measurements [C] . Philip On, Pawel Niewczas International Conference on Optical Fiber Sensors . 2011

机译：极化切换FBG询问器，用于波长编码偏振敏感测量
5. Fiber Bragg grating (FBG) sensors for the simultaneous measurements of strain and temperature [D] . Singh, Abhay Kumar. 2016

机译：光纤布拉格光栅（FBG）传感器，用于同时测量应变和温度
6. Low-Cost Interrogation Technique for Dynamic Measurements with FBG-Based Devices [O] . Camilo A. R. Díaz, Cátia Leitão, Carlos A. Marques, 2017

机译：基于FBG的设备的动态测量的低成本查询技术
7. Low-Cost Interrogation Technique for Dynamic Measurements with FBG-Based Devices [O] . Camilo A. R. Díaz, Cátia Leitão, Carlos A. Marques, 2017

机译：基于FBG的设备动态测量的低成本询问技术
8. Powder agglomeration study in RF silane plasmas by in situ polarization-sensitive laser light scattering and TEM measurements [R] . Courteille, C, Hollenstein, C, Dorier, J L, 1966

机译：通过原位偏振敏感激光散射和TEm测量在RF硅烷等离子体中进行粉末附聚研究

Polarization-switching FBG interrogator for wavelength-encoded polarization-sensitive measurements

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