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Optical Thermometry through Green Upconversion Emissions in Er3+/Yb3+-Codoped CaWO4 Phosphor
| Content Provider | Semantic Scholar |
|---|---|
| Author | Gao, Xiaoyang Zheng, Longjiang Wang, Peng Zhang, Zhiguo Cao, Wenwu |
| Copyright Year | 2012 |
| Abstract | Under 980 nm excitation, the temperature-dependent green upconversion emissions from Er3+/Yb3+-codoped CaWO4 phosphor were studied at temperatures from 294 to 923 K. By using the fluorescence intensity ratio technique, the maximum sensitivity for temperature measurement achieved here is approximately 0.0092 K-1, which is much higher than previously reported temperature sensors based on the fluorescence of Er3+ ions in other host materials. With the efficient upconversion fluorescence, the Er3+/Yb3+-codoped CaWO4 is a very promising candidate for optical high-temperature sensors with high sensitivity and good accuracy. |
| Starting Page | 072201 |
| Ending Page | 072201 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.1143/APEX.5.072201 |
| Volume Number | 5 |
| Alternate Webpage(s) | http://www.math.psu.edu/cao/Papers_PDF/Xuwei-7-2012.pdf |
| Alternate Webpage(s) | https://doi.org/10.1143/APEX.5.072201 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
