Abstract
A liquid-core optical fiber is used to measure the temperature from the intensity ratio of Ramanscattering 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 liquidcore optical fiber and factors affecting the measurement results are discussed.
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