The multifunctional fiber platform made by sol-gel process
碩士 === 國立中山大學 === 光電工程學系研究所 === 103 === With emergence of the demand for functional fiber, there are many fiber appeared in succession, such as optical fiber sensors, optical amplifiers, fiber grating, etc. Those fibers indicate the development of optical fiber platform for multifunction will be ine...
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ndltd-TW-103NSYS51240182019-05-15T22:17:48Z http://ndltd.ncl.edu.tw/handle/4k3474 The multifunctional fiber platform made by sol-gel process 以sol-gel法製備光纖多功能光纖平台 I-cheng Chen 陳奕成 碩士 國立中山大學 光電工程學系研究所 103 With emergence of the demand for functional fiber, there are many fiber appeared in succession, such as optical fiber sensors, optical amplifiers, fiber grating, etc. Those fibers indicate the development of optical fiber platform for multifunction will be inevitable. Therefore, we want to study a new fiber preparation for building an optical fiber which could make more materials or elements exist in one fiber. We use sol-gel method to prepare the fiber. Comparing to the main processes, such as MCVD [1], and OVD [2], sol-gel process have lower heat treatment temperature, and provide a chemical reaction or physically mixed environment. Low temperature process could avoid to destroy chemical structure of some materials in the fiber and reduce the effect of heat treatment to the fiber elements. We chose PTFE tube as cladding, melting gel as core. And we added esters to form network structure, it could reduce the number of gaps. Furthermore, we added fluorescent material, neodymium nitrate and neodymium oxide nano-particles into melting gel. The fluorescent of samples of neodymium oxide nano-particles in melting gel had been confirmed by PL. But some noise will be excited by defect. We could improve noise by SCCO2. Furthermore we modified the neodymium oxide nano-particles by methyldichlorosilane (DMDCS)[3]. The neodymium oxide nano-particles modified by DMDCS could reduce background absorption coefficient, and keep the absorption peaks of Nd3+. It made the gain greater than the loss be possible. Our processes has elderly activity that could change composition of cladding and core to build functional fiber. And we will add different functional substance into melting gel to make mult-functional fibers possible. The fibers could be used in optical communications. Jimmy Wang 王朝盛 2015 學位論文 ; thesis 70 zh-TW |
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碩士 === 國立中山大學 === 光電工程學系研究所 === 103 === With emergence of the demand for functional fiber, there are many fiber appeared in succession, such as optical fiber sensors, optical amplifiers, fiber grating, etc. Those fibers indicate the development of optical fiber platform for multifunction will be inevitable. Therefore, we want to study a new fiber preparation for building an optical fiber which could make more materials or elements exist in one fiber.
We use sol-gel method to prepare the fiber. Comparing to the main processes, such as MCVD [1], and OVD [2], sol-gel process have lower heat treatment temperature, and provide a chemical reaction or physically mixed environment. Low temperature process could avoid to destroy chemical structure of some materials in the fiber and reduce the effect of heat treatment to the fiber elements.
We chose PTFE tube as cladding, melting gel as core. And we added esters to form network structure, it could reduce the number of gaps. Furthermore, we added fluorescent material, neodymium nitrate and neodymium oxide nano-particles into melting gel. The fluorescent of samples of neodymium oxide nano-particles in melting gel had been confirmed by PL. But some noise will be excited by defect. We could improve noise by SCCO2. Furthermore we modified the neodymium oxide nano-particles by methyldichlorosilane (DMDCS)[3]. The neodymium oxide nano-particles modified by DMDCS could reduce background absorption coefficient, and keep the absorption peaks of Nd3+. It made the gain greater than the loss be possible.
Our processes has elderly activity that could change composition of cladding and core to build functional fiber. And we will add different functional substance into melting gel to make mult-functional fibers possible. The fibers could be used in optical communications.
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Jimmy Wang |
author_facet |
Jimmy Wang I-cheng Chen 陳奕成 |
author |
I-cheng Chen 陳奕成 |
spellingShingle |
I-cheng Chen 陳奕成 The multifunctional fiber platform made by sol-gel process |
author_sort |
I-cheng Chen |
title |
The multifunctional fiber platform made by sol-gel process |
title_short |
The multifunctional fiber platform made by sol-gel process |
title_full |
The multifunctional fiber platform made by sol-gel process |
title_fullStr |
The multifunctional fiber platform made by sol-gel process |
title_full_unstemmed |
The multifunctional fiber platform made by sol-gel process |
title_sort |
multifunctional fiber platform made by sol-gel process |
publishDate |
2015 |
url |
http://ndltd.ncl.edu.tw/handle/4k3474 |
work_keys_str_mv |
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