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14 February 2005 Wavelength dependence of the sensitivity of a bulk-glass optical current transformer
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Abstract
The wavelength dependence of the sensitivity of a bulk-glass optical current transformer is theoretically analyzed taking the Jones’ Matrix as a mathematical tool, simulated with a computer and verified with an experiment. The results show that the wavelength dependence will cause obvious sensitivity fluctuation of the system because of the existing of the dispersions of the reflection-induced retardance, Verdet constant and the linear birefringence inside the bulk-glass current transducing head. Therefore, it is necessary to stabilize the driving current and the ambient temperature of the optical source used by some technical means, because these two factors can result in wavelength variation. These results might be useful for the researchers and designers working in the optical current transducing techniques area.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zheng Ping Wang, Qing Bo Li, Yi Qi, Zong Jun Huang, and Jin Hui Shi "Wavelength dependence of the sensitivity of a bulk-glass optical current transformer", Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); https://doi.org/10.1117/12.573687
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