Wide Range pH Fiber Sensor with Congo-Red- and Methyl-Red-Doped Poly (Methyl Methacrylate) Cladding
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概要
- 論文の詳細を見る
We introduce an evanescent-wave-spectroscopic fiber optic pH sensor. This sensor has part of the polymer cladding doped with either congo red (CR), which responds to pH=3 to 5, or methyl red (MR), which responds to pH=5 to 7, as the pH sensor film. In this study we succeeded in expanding the measurable pH range by using two pH sensor probes with the different pH sensitivities. In addition making the pH fiber sensor into a probe structure enabled us to achieve high pH sensitivity and to monitor the pH value easily. Reducing the quantity of doped dye made it possible to use the sensor for objects highly sensitive to pH chemical equilibrium.
- 社団法人応用物理学会の論文
- 1997-05-15
著者
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OKAMOTO Naomichi
Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University
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Sugihara Okihiro
Institute Of Multidisciplinary Research For Advanced Materials (imram) Tohoku University
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Sugihara Okihiro
Tohoku Univ. Institute Of Multidisciplinary Research For Advanced Materials
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Sugihara Okihiro
Department Of Electrical Engineering Faculty Of Science And Technology Keio University
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Sugihara Okihiro
The Graduate School Of Electronics And Technology Shizuoka University
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Suzuki Yoshiki
Department Of Electrical And Electronic Engineering Shizuoka University
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Suzuki Yoshiki
Department Of Animal Science Faculty Of Agriculture Okayama University
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EGAMI Chikara
Faculty of Engineering, Shizuoka University
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FUJIMURA Hisashi
Department of Electronic Engineering, Faculty of Engineering, Shizuoka University
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Fujimura Hiroki
Faculty Of Engineering. Shizuoka University
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Egami Chikara
Faculty Of Engineering Shizuoka University
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EGAMI Chikara
Department of Electrical and Electronic Engineering, Shizuoka University
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Okamoto N
Shizuoka Univ. Hamamatsu Jpn
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Egami Chikara
Department Of Electrical And Electronic Engineering Shizuoka University
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Sugihara Okihiro
Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka 432-8561, Japan
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Fujimura Hisashi
Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka 432-8561, Japan
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