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纖衣蝕刻布拉格光纖光柵感測器之研究 = The Study of Cla...

國立高雄大學電機工程學系碩士班

纖衣蝕刻布拉格光纖光柵感測器之研究 = The Study of Cladding-Etched Fiber Bragg Grating Sensor

Record Type:	Language materials, printed : monographic
Paralel Title:	The Study of Cladding-Etched Fiber Bragg Grating Sensor
Author:	陳重延,
Secondary Intellectual Responsibility:	國立高雄大學
Place of Publication:	[高雄市]
Published:	撰者;
Year of Publication:	民100[2011]
Edition:	初版
Description:	64面圖，表 : 30公分;
Subject:	纖衣蝕刻光纖光柵
Subject:	cladding-etched
Online resource:	http://handle.ncl.edu.tw/11296/ndltd/06701901400211663803
Summary:	此次研究針對纖衣蝕刻光纖光柵在不同光纖直徑和外部環境下，量測反射頻譜並分析溫度和應力之靈敏度。蝕刻方式選擇以濃度48％的氫氟酸進行濕式蝕刻。當光纖光柵直徑蝕刻至17 μm時和未蝕刻相比，在外部環境為空氣的情況下，應力靈敏度可提升1.7倍，外部環境為水的情況應力靈敏度也有1.8倍的提升。溫度靈敏度則會根據不同的外部環境而有上升或下降的趨勢。從實驗結果得知，在外部環境是空氣和水的情況下，可以獲得相當好的應力靈敏度，纖衣蝕刻光纖光柵對溫度靈敏度則沒有太大的提升。藉由此次研究發現，採用纖衣蝕刻光纖光柵所製作之感測器能成功提升其應力靈敏度。此外，光纖直徑蝕刻至17 μm時無外加溫度和應力下，反射波長會隨著外部環境折射率增加而改變，藉由此特性也可將纖衣蝕刻光纖光柵應用於折射率感測器上。 In this thesis, we focus on strain sensitivity, temperature sensitivity and optical spectrum characteristics of cladding-etched fiber Bragg grating in different surrounding materials. Hydrofluoric acid of 48 per centum was used in wet etching process. Experimental results showed that in air the strain sensitivity of the cladding-etched fiber of 17 μm diameter increased 1.7 times as much as that of an unetched fiber and the strain sensitivity of the same cladding-etched fiber also increased 1.8 times in water. However, the temperature sensitivity of the cladding-etched fiber might increase or decrease depending on surrounding materials. The feature of the shift of the reflected Bragg wavelength in different surrounding materials make the cladding-etched fiber Bragg grating a great potential to be used as a refractive index sensor.

纖衣蝕刻布拉格光纖光柵感測器之研究 = The Study of Cladding-Etched Fiber Bragg Grating Sensor
陳, 重延

纖衣蝕刻布拉格光纖光柵感測器之研究 = The Study of Cladding-Etched Fiber Bragg Grating Sensor / 陳重延撰 - 初版. - [高雄市] : 撰者, 民100[2011]. - 64面 ; 圖，表 ; 30公分.
參考書目：面.
纖衣蝕刻光纖光柵cladding-etched

纖衣蝕刻布拉格光纖光柵感測器之研究 = The Study of Cladding-Etched Fiber Bragg Grating Sensor
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328 $a 碩士論文--國立高雄大學電機工程學系碩士班
330 $a 此次研究針對纖衣蝕刻光纖光柵在不同光纖直徑和外部環境下，量測反射頻譜並分析溫度和應力之靈敏度。蝕刻方式選擇以濃度48％的氫氟酸進行濕式蝕刻。當光纖光柵直徑蝕刻至17 μm時和未蝕刻相比，在外部環境為空氣的情況下，應力靈敏度可提升1.7倍，外部環境為水的情況應力靈敏度也有1.8倍的提升。溫度靈敏度則會根據不同的外部環境而有上升或下降的趨勢。從實驗結果得知，在外部環境是空氣和水的情況下，可以獲得相當好的應力靈敏度，纖衣蝕刻光纖光柵對溫度靈敏度則沒有太大的提升。藉由此次研究發現，採用纖衣蝕刻光纖光柵所製作之感測器能成功提升其應力靈敏度。此外，光纖直徑蝕刻至17 μm時無外加溫度和應力下，反射波長會隨著外部環境折射率增加而改變，藉由此特性也可將纖衣蝕刻光纖光柵應用於折射率感測器上。 In this thesis, we focus on strain sensitivity, temperature sensitivity and optical spectrum characteristics of cladding-etched fiber Bragg grating in different surrounding materials. Hydrofluoric acid of 48 per centum was used in wet etching process. Experimental results showed that in air the strain sensitivity of the cladding-etched fiber of 17 μm diameter increased 1.7 times as much as that of an unetched fiber and the strain sensitivity of the same cladding-etched fiber also increased 1.8 times in water. However, the temperature sensitivity of the cladding-etched fiber might increase or decrease depending on surrounding materials. The feature of the shift of the reflected Bragg wavelength in different surrounding materials make the cladding-etched fiber Bragg grating a great potential to be used as a refractive index sensor.
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