Seat, H.C. and Sharp, J.H. (2003) Er3+ + Yb3+-codoped Al2O3 crystal fibres for high-temperature sensing. Measurement Science and Technology, 14(3), pp. 279-285. (doi: 10.1088/0957-0233/14/3/305)
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Publisher's URL: http://dx.doi.org/10.1088/0957-0233/14/3/305
Abstract
Single-crystal sapphire fibres codoped with approximately equal amounts of rare-earth (RE) Er3+ and Yb3+ ions have been fabricated by the laser heated pedestal growth technique. The crystal fibres are then investigated for high-temperature sensing applications. Due to the unique transitions from the 4f electronic configuration in RE ions together with the high dopant concentrations used, strong upconverted emission in the visible has been observed. In particular, emissions in the green and red spectral regions have been exploited in an intensity-based sensing scheme for thermometric measurements up to ~ 1320 and 1420 K respectively.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Sharp, Dr James |
| Authors: | Seat, H.C., and Sharp, J.H. |
| Subjects: | Q Science > QC Physics |
| College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
| Journal Name: | Measurement Science and Technology |
| ISSN: | 0957-0233 |
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