| 光纤传输LD推动系统的研究 |
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| 引用本文： | 王玉田,史锦珊.光纤传输LD推动系统的研究[J].传感技术学报,1990,3(2). |
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| 作者姓名： | 王玉田 史锦珊 |
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| 作者单位： | 燕山大学
(王玉田),燕山大学(史锦珊) |
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| 摘 要： | 本文介绍一种用光纤做光通道、激光二极管(LD)做激光源的光功率推动传感器的工作原理,微功耗测量探头的设计方法,脉冲位置调制中应用单根光纤分时双通道解决参考信号的设置,以及光反馈稳定光源等技术.上述措施使传光型光纤传感器的系统稳定性和精度等性能指标得到很大改善.由于被测信号也采用了光纤传输,使探头与仪表端只有光联接,所以本文介绍的光推动传感器可视为“准”全光学式的.
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| 关 键 词： | 光推动 光纤传输 R或C敏感元件 |
Research of LD powered system with Optical Fiber Link |
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| Wang Yutian Shi Jinshan.Research of LD powered system with Optical Fiber Link[J].Journal of Transduction Technology,1990,3(2). |
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| Authors: | Wang Yutian Shi Jinshan |
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| Affiliation: | Yan Shan University |
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| Abstract: | A LD optically-powered transducer with optical fiber link is proposed in this paper. The principle of probe with micro-consumption and pulse-position modulation are introduced at first. Then the light feedback and technique of time separation dual signal channel via an optical fiber are used to stabilize the "power" light and ration calculation. At last we discussed the improvement in stability and accuracy of the system by means of taking these methods. The transducer described in this paper as a "quasi-optics" because the signal is trasmitted with optical fiber, and the probe is coupled into the instrument by light. |
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| Keywords: | opticallypowered opticalfiber link R or C sensing element |
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