Abstract
By high-temperature melting method and thermal treatment technology, the Eu3+ doped phosphate glass ceramic was prepared. The sample’s excitation spectra monitored at 646nm were measured at different temperatures. The excitation intensity ratios of the I(7F1)/I(7F0) and I(7F2)/I(7F0) is related to the sample temperature. Based on the excitation intensity ratios of the I(7F1)/I(7F0) and I(7F2)/I(7F0), the maximal relative sensitivities are about 0.00089K−1 and 0.00196K−1, and the corresponding temperatures are about ∼162 and ∼450K, respectively. Our research is valuable to explore optical temperature sensor.
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