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研究生:黃見裕
研究生(外文):Hwang,Jyan-Yuh
論文名稱:光纖陣列的製造與構裝
論文名稱(外文):Fabrication and Packaging of Fiber Array
指導教授:王倫
指導教授(外文):Wang Lon
學位類別:碩士
校院名稱:國立臺灣大學
系所名稱:光電(科學)研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:1994
畢業學年度:82
語文別:中文
論文頁數:92
中文關鍵詞:透鏡頭光纖矽V形槽光纖陣列雷射構裝
外文關鍵詞:lensed fibersilicon V-groovefiber arraylaser packaging
相關次數:
  • 被引用被引用:9
  • 點閱點閱:433
  • 評分評分:
  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:0
本論文主要是探討如何改善雷射陣列與單模光纖陣列之間的耦合效率以及
相關的構裝技術。我們所採用之方法是在光纖前端自製一半圓球形微透
鏡(microlens)將光導入光纖。單根光纖的耦合效率可達40%以上。半圓球
形微透鏡的製程是將光纖先以化學溶液HF蝕刻成鉛筆狀後再以二氧化碳雷
射融熔前端形成。採用此法的理由是其製作簡單、耦合特性不錯,且具有
大量生產的潛力。我們也對不同曲率半徑之光纖其光反射損失(return
loss)作初步的模擬與量測。而平面端光纖的光反射損失一般值為14.4dB
。而含透鏡頭光纖陣列的製程是將多根光纖放在上下兩片矽V-型槽中,其
間距為250μm。矽V-型槽是以氫氧化鉀(KOH)溶液濕蝕刻的方法作成。目
前我們實驗結果在四條光纖之透鏡頭光纖陣列與雷射陣列耦合之效率可
達20%以上。同時我們也嚐試配合已有的雷射陣列,發展與上述之透鏡頭
光纖之間的構裝技術。光纖先固定在一鍍有銅之針管中,再利用不同溫度
之焊料將雷射與光纖組合在一起。因有熱脹冷縮效應,及可能對準誤差之
緣故,構裝之後的耦合效率約20%。此外,我們也製作高頻匹配電路以供
進一步做高速光電構裝用途。
The thesis mainly discusses how to increase the optical
coupling efficiency between a laser array and a single-mode
fiber array, and to explore their packaging technology for
fiber communication. We fabricated a hemispherical microlens on
the fiber end to couple light from the laser. The coupling
efficiency was measured more than 40%. The lensed fiber was
made by first tapering a bare fiber through chemical etching,
and then by forming a microlens at the tapered end through
carbon dioxide laser heating. Such a fabrication process can
potentially allow mass production. In addition, we simulated
and measured the return loss of lensed fibers for different
radii. Typical values of return loss were measured of 14.4dB
for free end fiber. Fibers were precisely clamped between two
identical silicon V-groove to comprise an array before forming
microlens. The spacing of two adjacent fibers was of 250μm,
identical to that of two neighboring lasers. The silicon V-
groove was fabricated by KOH wet etching. A coupling efficiency
of 20% was achieved between a laser array and a fiber array. To
package a laser and a lensed fiber, we firstly fixed the fiber
in a copper-plating tube, and assembled the laser and the fiber
on the same substrate using solders of different melting
points. Due to the possible effects of shrinkage and
misalignment , a coupling efficiency of 20% was achieved. In
addition, we made some proto-type high-speed microwave driving
circuits for the laser.
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