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Katsumata T, Morita K, Komuro S, et al. Fiber-optic thermometer application of thermal radiation from rare-earth end-doped SiO₂ fiber. Rev Sci Instrum. 2014;85(8):084903doi: 10.1063/1.4893483.
Katsumata, T., Morita, K., Komuro, S., & Aizawa, H. (2014). Fiber-optic thermometer application of thermal radiation from rare-earth end-doped SiO₂ fiber. The Review of scientific instruments, 85(8), 084903. https://doi.org/10.1063/1.4893483
Katsumata, Toru, et al. "Fiber-optic thermometer application of thermal radiation from rare-earth end-doped SiO₂ fiber." The Review of scientific instruments vol. 85,8 (2014): 084903. doi: https://doi.org/10.1063/1.4893483
Katsumata T, Morita K, Komuro S, Aizawa H. Fiber-optic thermometer application of thermal radiation from rare-earth end-doped SiO₂ fiber. Rev Sci Instrum. 2014 Aug;85(8):084903. doi: 10.1063/1.4893483. PMID: 25173299.
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Rev Sci Instrum. 2014 Aug;85(8):084903. doi: 10.1063/1.4893483.

Fiber-optic thermometer application of thermal radiation from rare-earth end-doped SiO₂ fiber.

The Review of scientific instruments

Toru Katsumata, Kentaro Morita, Shuji Komuro, Hiroaki Aizawa

Affiliations

  1. Faculty of Science and Engineering, Toyo University, 2100 Kujirai, Kawagoe, Saitama 350-8585, Japan.

PMID: 25173299 DOI: 10.1063/1.4893483

Abstract

Visible light thermal radiation from SiO2 glass doped with Y, La, Ce, Pr, Nd, Eu, Tb, Dy, Ho, Er, Tm, Yb, and Lu were studied for the fiber-optic thermometer application based on the temperature dependence of thermal radiation. Thermal radiations according to Planck's law of radiation are observed from the SiO2 fibers doped with Y, La, Ce, Pr, Eu, Tb, and Lu at the temperature above 1100 K. Thermal radiations due to f-f transitions of rare-earth ions are observed from the SiO2 fibers doped with Nd, Dy, Ho, Er, Tm, and Yb at the temperature above 900 K. Peak intensities of thermal radiations from rare-earth doped SiO2 fibers increase sensitively with temperature. Thermal activation energies of thermal radiations by f-f transitions seen in Nd, Dy, Ho, Er, Tm, and Yb doped SiO2 fibers are smaller than those from SiO2 fibers doped with Y, La, Ce, Pr, Eu, Tb, and Lu. Thermal radiation due to highly efficient f-f transitions in Nd, Dy, Ho, Er, Tm, and Yb ions emits more easily than usual thermal radiation process. Thermal radiations from rare-earth doped SiO2 are potentially applicable for the fiber-optic thermometry above 900 K.

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