光纤陀螺用SLD光源的光功率稳定性研究  

Study on stability of output power of SLD used for FOG

作　　者：尹世刚[1] 舒晓武[1] 宫兆涛[1] 刘承 

机构地区：[1]浙江大学现代光学仪器国家重点实验室,浙江杭州310027

出　　处：《光学仪器》2003年第4期20-24,共5页Optical Instruments

摘　　要：SLD光源的稳定性对光纤陀螺的性能有及其重要的影响。为提高光纤陀螺的精度 ,设计了 SLD光源的数字化控制系统 ,采用“恒流 +温控”的方案 ,并引入了数字 PID控制算法 ,大大提高了光源出纤光功率的稳定性。The stability of superluminescent diode(SLD)has vital effect on performance of fiber optic gyroscope(FOG).For the purpose of improving precision of FOG a digital control system is proposed using method of “constant current and temperature control”and the PID controller is introduced.As a result the stability of optical output power is advanced in great degree.The result of experimentation shows that the digital control proposed in this paper is better than the analog control widely used at present.

关 键 词：光纤陀螺 超辐射发光二极管 SLD光源 光功率稳定性 PID控制 

分 类 号：V241.5[航空宇航科学与技术—飞行器设计] TN312.8[电子电信—物理电子学]