Simulation Analysis on the Influence of Laser Source on Output of IFOG

摘要：

On the base of the research object of the optical system of polarization maintaining interferometric fiber optical gyroscope(IFOG), when the light signal is modulation under+π/2 square wave signal, an input-output model is established by making use of Jones matrix and coherence matrix. Based on the model mentioned above, theoretic analysis on the polarization noise of the optical system is made, and the polarization error expression in the case of the input low polarization light signal is deduced. Simulation analysis the gyroscope output signal and polarization noise error when the laser source performance parameters change. According to the work mentioned above, we proposed that: to design the optical system of IFOG, we should choose appropriate length of pigtail, select the light source, which the extinction ratio of it’s output light have high stability to reduce the zero drift to minimum.

作者: Xuyou Li Chen Zhang Zhou He

作者单位: Department of Automation Harbin Engineering University Harbin,Heilongjiang Province,China

会议类型: 国际会议

会议名称: The 2nd International Symposium on Systems and Control in Aeronautics and Astronautics(第二届航空航天系统与控制国际会议 ISSCAA 2008)

会议地点: 深圳

会议语种:英文

页码: 573-576

在线出版日期: 2008-12-10（万方平台首次上网日期，不代表论文的发表时间）