本論文開發一台光纖光柵讀取機搭配遠端監控軟體構成一遠端光纖監控系統，取代市面上成本較昂貴的光學量測儀器，能夠針對大尺度或多座高架橋梁進行同步安全即時監控，保障民眾的生命安全。
光纖光柵讀取機系統部分，經實驗後我們選用室溫環境下靜置8小時內穩定度較佳的“寬頻譜光源經可調式光學濾波器形式探測光源”，架構中摻鉺光纖吸收係數為17.5 dB/m、長度為5 m，實驗中可調式光學濾波器通道固定於C-band中段M4400位置，其輸出峰值波長穩定於1547.201 nm，沒有任何飄動現象，而峰值功率最大值為-24.06 dBm，最小值為-24.10 dBm，變動範圍僅±0.02 dB，十分穩定。此開發之光纖光柵讀取機可掃描監控的波長範圍為1527.996 nm至1563.029 nm，涵蓋整個C-band波段。
遠端監控軟體部分，針對各項功能進行軟硬體整合測試後，其讀取機初始值設定功能、單根光纖光柵掃描功能、全橋梁自動監測功能與解析度及頻譜資料顯示範圍設定功能皆能夠確實動作，使用者能在遠端藉由遠端監控軟體，對光纖光柵讀取機進行控制並讀取監測結果數據加以分析。
本文最後藉由遠端光纖監控系統進行垂直應力監測實驗，實際模擬即時監控功能，我們挑選三根鋪設於不同模擬橋梁且不同距離處的光纖光柵進行實驗，結果顯示FBG1-2、FBG2-4與FBG3-1對於垂直作用力的靈敏度分別為61.22 pm/N、61.22 pm/N與110.2 pm/N，線性度R2分別為0.999、0.999與0.9922。為了確保此監控系統的可靠度及準確性，本章進行再現性量測，其結果與第一次相同，此外，我們於選取之光纖光柵上施予0.98 N垂直作用力，靜置在室溫下8小時測試此監控系統對各FBG反射波長及峰值功率的穩定度，結果顯示反射波長非常穩定無飄動現象，峰值功率僅有少筆數據顯示±0.1 dB跳動。此監控系統在三座模擬橋梁且不同距離的感測端所監測到訊號呈現一相當穩定的狀態。

This thesis shows that we develop a remote fiber monitoring system by using a remote monitoring software in a FBG interrogation system. The system is potential to replace the optical measuring instrument because it is cheaper in the market. On the other hand, the system synchronize large-scale and multi-viaduct bridge security with real-time monitoring to protect people's safety.
After the experiment, we choose the “broadband light source pass through tunable filter type probe light source” in the FBG interrogation system. Because it has the best stability after putting it in the room temperature environment for 8 hours. In this structure, the absorption at 1530 nm of Erbium-doped fiber is 17.5 dB/m and the length is 5 m. The channel of Optoplex's C-band tunable filter is fixed at the middle (M4400) of C-band when the output peak wavelength is stable at 1547.201 nm without any fluttering phenomenon; while the maximum peak power is -24.06 dBm and the minimum is -24.10 dBm. The variation is very stable and the range is only ± 0.02 dB. The wavelength range for scan monitoring is from 1527.996 nm to 1563.029 nm developed in the FBG interrogation system and it contains the whole C-band wavelength.
In the remote monitoring software, the initial value of interrogator setting function, single fiber grating scanning function, all bridges automatic monitoring function and resolution/span setting function can all work after the hardware and software integration test. Users are able to control the FBG interrogation system, read the monitoring results and analyze the data with remote monitoring software at a long distance.
At last, the vertical stress monitoring experiment is carried out by the remote optical fiber monitoring system. It’s the actual simulation of real-time monitoring. We selected three fiber gratings laid out at different analog bridges and at different distances to do the experiment. The results show that the sensitivity of FBG1-2, FBG2-4 and FBG3-1 for the vertical force is 61.22 pm/N, 61.22 pm/N and 110.2 pm/N and for the linearity R2 is 0.999, 0.999 and 0.9922. In order to ensure the reliability and accuracy of this monitoring system, this chapter performs reproducibility testing. The results are just the same as the ones in the first testing. Besides, we applied 0.98 N vertical force on the selected fiber grating and put it at room temperature for 8 hours to test the stability of the FBG reflection wavelength and the peak power of this surveillance system. The results show that the reflection wavelength is very stable without any fluttering phenomenon. There are only few datum showing the drifting between ±0.1 dB. This monitoring system monitors the signal that shows a fairly stable state at the sensing ends as well as at different distances of the three analog bridges.

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