Temperature measurement from the intensity ratio of the Raman-scattering lines in carbon tetrachloride constituting the liquid core of an optical fiber
被引:12
作者:
Huang Baokun
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Jilin Univ, Phys Coll, Changchun 130021, Peoples R ChinaJilin Univ, Phys Coll, Changchun 130021, Peoples R China
Huang Baokun
[1
]
Tian Yanjie
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机构:
Jilin Univ, Phys Coll, Changchun 130021, Peoples R ChinaJilin Univ, Phys Coll, Changchun 130021, Peoples R China
Tian Yanjie
[1
]
Li Zuowei
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机构:
Jilin Univ, Phys Coll, Changchun 130021, Peoples R ChinaJilin Univ, Phys Coll, Changchun 130021, Peoples R China
Li Zuowei
[1
]
Gao Shuquin
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Jilin Univ, Phys Coll, Changchun 130021, Peoples R ChinaJilin Univ, Phys Coll, Changchun 130021, Peoples R China
Gao Shuquin
[1
]
Li Zhaokai
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Jilin Univ, Phys Coll, Changchun 130021, Peoples R ChinaJilin Univ, Phys Coll, Changchun 130021, Peoples R China
Li Zhaokai
[1
]
机构:
[1] Jilin Univ, Phys Coll, Changchun 130021, Peoples R China
A liquid-core optical fiber is used to measure the temperature from the intensity ratio of Raman-scattering lines. CCl4 doped with benzene, which ensures conditions for the total internal reflection, serves as the fiber core. Measurements were performed at three Raman-scattering lines in CCl4: 218, 314, and 459 cm(-1). The results obtained at 459 cm(-1) best correspond to the actual temperature. The advantages of using a liquid-core optical fiber and factors affecting the measurement results are discussed.