在本論文著重在研製1590/1950nm WDM、並架設改善融拉平台也就是融拉平台coupler workstation (FCMW-2000)的缺點與限制，改以電腦控制雷射源偵測系統以達到實驗目標，以及可以製作出我們所以及製作特殊規格，也就是耦合的光源較為特殊的光源，如我們的目標，將長波長1950nm以80%-20%分別存在於兩個波導管中，而短波長1590nm則能夠完美也就是極高通道隔離的在一光波導管中。本論文簡易的介紹WDM的基本機制，在提出目前我們融拉平台的缺點以及需要改善的地方和改善後的結果。並且最後以改善後的平台，得到較完整的實驗數據，以討論如何研製出實驗上所需要的元件，如何能夠得到更好的分光效果、降低損耗、和增加研製可行性。

The purpose of this thesis is to fabricate a particular 1590/1950 nm Wavelength Division Multiplexing (WDM) with high channel isolation, low insertion loss, low excess loss. So that the structure can support large light energy such as Q-switch laser and high power CW laser. we let light energy transfer in fused biconical-taper single-mode fiber couplers to divide different light wavelength frequency. Advantages of fused biconical-taper structure is low energy consumption, Low cost and High damage threshold, it is able to achieve our purpose.
We used a torch hydroxide and pulling stage to make single-mode fiber elongated tapered. We have improved the two issues that can only detect a single wavelength and short wavelength detection bandwidth. we make dual-wavelength system to improve the issues ；Using MATLAB control two Photo-detector and laser source. Use the dual-wavelength system we can get two wavelengths instant energy changes. We use this dual-wavelength system to discuss changes in the pulling speed and knots volume changes and make particular 1590/1950 nm Wavelength Division Multiplexing (WDM) components.

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