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題 名 | 光纜應力應變測試原理與現場測試之應用=The Theory of Measuring the Applied Tensile/Strain in Optical Cable and Its Application in the Field Test |
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作 者 | 陳世滄; 莊修榮; 簡維賢; 萬本慧; 陳鴻圖; 許天傑; 蔡福源; 涂元光; | 書刊名 | 電信研究 |
卷 期 | 31:4 2001.08[民90.08] |
頁 次 | 頁425-447 |
分類號 | 336.8 |
關鍵詞 | 光時域反射器; 光纖應變分析儀; Brillouin散射光頻率偏移; 同波長同調檢光方式; 聲光切換器; 斷裂應變; 光纖縱向應力; Optical time domain reflectometer; OTDR; Brillouin optical time domain reflectometer; BOTDR; Brillouin scattering light frequency shift; Homo wavelength coherent detection; Acoustic optical switch; Breaking strain; Longitudinal stress; |
語 文 | 中文(Chinese) |
中文摘要 | 本文介紹Brillouin Optical Time Domain Reflectometer(BOTDR)之工作原理 及其應用。 應用 BOTDR 不僅可測試光纖損失更可測試光纖所承受之應變,比起傳統利用光 源╱光功率計或 OTDR 之測試更能確實掌握光纖品質。 利用 BOTDR 對光纖應變之分析結果 將有助於發掘隱藏之問題以及對障礙之預防與排除,確保光纜之使用年限。本文同時說明施 加應力於光纖、光纖帶及不同結構之光纜造成應變之測試方法,並分析其影響。也針對發生 障礙之實際佈放光纜加以量測,分析造成障礙之主要原因,並提出改善建議。 |
英文摘要 | In this paper we illustrate the operation principle and application of the Brillouin Optical Time Domain Reflectometer (BOTDR). Using BOTDR the characteristics of optical fiber/cable, including the optical loss and the strain and its position, can be monitored. The analyzed results can provide the information to fix the probable damage and prevent the outage in advance, and extend the lifetime of the installed optical cables. The strains of fiber, fiber ribbon, and various optical cables under mechanical tensile and their effects have been measured and analyzed. Cases of installed optical cables with strain-induced outage are also presented. |
本系統中英文摘要資訊取自各篇刊載內容。