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  • Title: [Study on the temperature character of the optic-fiber surface-plasmon-wave sensor].
    Author: Cao ZX, Liang DK, Guo MJ.
    Journal: Guang Pu Xue Yu Guang Pu Fen Xi; 2003 Feb; 23(1):31-4. PubMed ID: 12939961.
    Abstract:
    The paper discussed the optic-fiber surface-plasmon-wave(SPW) sensor's sensitivity to temperature based on the particle vibration. For the SPW sensor consisting of metal film and dielectric, surface plasmon vibration is essentially the vibration of group electrons. Being irradiated by P light that has a special wavelength, the electrons on the surface of the metal film will absorb the power and change the way of their original movement. When the frequency of the P light is corresponded to the inherent vibration frequency of the group electrons, resonance will occur. Because the different temperature leads to different electron density--the higher the temperature the higher the density on the film surface, and because the vibration of the group electrons is correlative to the electron density closely, the temperature change will influence the inherent vibration frequency of the surface plasmon seriously. We decrease the temperature influence on the SPW by compensating the temperature change of the environment medium according to the effect. On the other hand, the paper discusses that the optic-fiber SPW sensor may be used to measure multi-parameters.
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