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研究生:楊明達
研究生(外文):Yang, Ming-Da
論文名稱:以光柵光纖為感應器之光纖智慧架構中訊號光強度擾動之補償方法與原理
論文名稱(外文):The method of compensating intensity variations of Fiber Bragg grating sensors in optical fiber smart structures
指導教授:黃振發黃振發引用關係
指導教授(外文):Huang, Zhen-Fa
學位類別:碩士
校院名稱:國立成功大學
系所名稱:電機工程研究所
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:1998
畢業學年度:86
語文別:英文
論文頁數:47
中文關鍵詞:布拉格光纖光柵Fabry-Perot 可調式濾波器多工系統光強度擾動布拉格光纖光柵光纖感測非線性響應布拉格光纖光柵
外文關鍵詞:Bragg grating fibersTunable Fabry-Perot filterIntensity variationsFBGfiber sensingintensity variationtunable filternonlinear response
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Recently, Bragg grating fibers are developed successfully for
fiber optic communication and sensing fields. Fiber Bragg
grating (FBG) sensors hold not only the original advances:
light, small, embeddable, and immunity to theelectric-magnetic
interference in optical fiber sensors, but also have
moreadvantages in multiplexing. Since Kersey proposed a simple
method using tunable Fabry-Perot filter to demultiplex multi-
point measurements, it hasbeen a standard method for
multiplexing Bragg grating sensors. However,due to the intensity
variations in the optical fiber system and the nonideal optical
devices, this system still needs to modify for optimization
designs. In this thesis we will discuss that the methods of
compensating the intensity variations of light source, FBG
sensor, and Fabry-Perot tunable filter. All of these
compensating configurations could be constructed by using simple
and cheap electric circuits and devices. Shot noise effect of
these systems will be also analyzed and compared. Furthermore,
the nonlinear response problem of Fabry-Perot tunable filter
will be discussed and solved by utilizing a stable and simple
configuration of Fabry-Perot Etalon.

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