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单模光纤弯曲半径对光纤陀螺标度因数稳定性的影响(英文) 被引量:7

Influence of single mode fiber bending on fiber optic gyroscope scale factor stability
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摘要 在采用低偏和保偏混合光路的混偏光纤陀螺的光学架构中,包含了一些单模光纤元件和单模光纤。当单模光纤发生弯曲时,光纤中传输的纤芯导波模式和单模光纤中的界面反射波模式之间将会发生相互干涉,导致光的传输特性受到影响。提出了单模光纤弯曲对光纤陀螺标度因数稳定性影响的数学模型。仿真和实验结果表明:当温度发生变化时,单模光纤弯曲会导致传输光的中心波长发生漂移和振荡,从而影响光纤陀螺标度因数稳定性。中心波长振荡的振幅与弯曲半径直接相关。 In fiber optic gyroscope using low-polarization and polarization-maintaining hybrid light path, some single mode fiber components and single mode fiber (SMF) are contained. When SMF bends, the transmitted core-guided mode light and whispering gallery (WG) mode light in SMF interfere with each other, and then affect the transmitted light. A model of the influence of SMF bending on FOG scale factor stability was developed and demonstrated. Simulation and experimental results indicate that the r~ SMF bending can lead to the transmitted light mean wavelength drifting and oscillating under temperature ramping, furthermore leads to FOG scale factor instability. The mean wavelength oscillation amplitude depends on the bending radius.
出处 《红外与激光工程》 EI CSCD 北大核心 2016年第1期205-209,共5页 Infrared and Laser Engineering
基金 "十二五"武器装备先进制造技术预研项目(513180202)
关键词 光纤陀螺 单模光纤弯曲 波长 标度因数 fiber optic gyroscope(FOG) single mode fiber(SMF) bending wavelength scale factor
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参考文献10

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