线性双折射的波长积累效应对OCS的影响  

Influence of wavelength accumulation of linear birefringence on an optical current sensor

作　　者：王政平[1] 刘晓瑜[1] 王晓忠[1] 

机构地区：[1]哈尔滨工程大学理学院,黑龙江哈尔滨150001

出　　处：《哈尔滨工程大学学报》2005年第6期811-813,共3页Journal of Harbin Engineering University

基　　金：哈尔滨工程大学基础研究基金资助项目(HEUF04013)

摘　　要：线性双折射的波长积累效应涉及到用单色光模型替代复色光系统是否合理与可行的问题,因此有必要予以研究.文中先给出了适用于ZF-7玻璃的线性双折射的色散特性公式,再对线性双折射的波长积累效应进行理论分析和计算机仿真.研究结果表明,线性双折射的波长积累效应对OCS系统影响甚微,因此在理论研究中若不考虑其他光学参量的波长积累效应,用单色光模型处理宽带系统的做法有其合理性与可行性.此结果可供从事光学电流传感器研究的同行参考.The wavelength accumulation effect of linear birefringence was examined in order to determine it it is reasonable and feasible to use a monochromatic light model for describing broad-band systems. The dispersion formula was applied to the linear birefringence of ZF-7 glass and its wavelength accumulation effect upon an optical current sensor was theoretically analyzed and digitally simulated. The results show that the wavelength accumulation effect of the linear birefringence of ZF-7 glass is small enough for using a monochromatic model to describe broad-band systems if the wavelength accumulation effects of other optical parameters of the sensing head are not considered.

关 键 词：光学电流传感器 线性双折射 色散特 Faraday效应 

分 类 号：TP212.1[自动化与计算机技术—检测技术与自动化装置]