基于双波长光纤激光传感器的窄带宽远程通信系统设计  

Design of Narrow Bandwidth Remote Communication System Based on Dual Wavelength Fiber Laser Sensor

作　　者：李鑫[1] 

机构地区：[1]郑州升达经贸管理学院信息工程系,郑州451191

出　　处：《科技通报》2017年第12期141-144,共4页Bulletin of Science and Technology

摘　　要：提出运用基于偏振外差双波长光纤激光传感器的窄带宽远程通信系统。阐述光纤传感光波理论与光波频谱性质,根据光纤激光传感器工作前提条件,获知该条件可以影响激光信号光束输出质量及纵模特性,通过缩短光纤激光器谐振腔长度及高反射率光栅可得到单纵模性质的输出激光光束,并结合紫外光写制技术初步完成双光波光纤激光传感器通信系统传感元件设计。在窄带宽环境下以TCP网络协议为基础,利用RT-Thread嵌入式实时操作系统,按名称访问设备管理方式,运用应用程序通过设备对象提供的标准接口获取访问底层设备数据,结合Lw IP协议栈使传感器数据进入到缓存区域中,实现远程通信系统设计。实验证明运用系统能够有效提升通信传输敏感度。This paper proposed the narrow bandwidth of the remote communication system based on polarization heterodyne dual wavelength fiber laser sensor. This optical fiber sensor and the wave theory of light spectrum properties, according to the condition of fiber laser sensor, obtains the condition can affect the signal beam quality and laser output characteristics of the longitudinal mode, the output laser beam to shorten the fiber laser cavity length and high reflectivity of the grating can be obtained in single longitudinal mode properties, combined with UV writing technology initially completed double light sensor communication system for fiber laser sensor design; in the narrow band environment based on TCP network protocol based on the RT-Thread embedded real-time operating system, according to the name of the access equipment management, standard interface application provided by the device object access device data, combined with the Lw IP protocol stack of the sensor data into the cache in the area,design and implementation of remote communication system. Experiments show that the system can effectively improve the sensitivity of communication transmission.

关 键 词：双波长 光纤激光传感器 窄带宽 通信系统 

分 类 号：TN391[电子电信—物理电子学]