SPECTRAL CHARACTERISTICS AND EFFECTS OF HEAT-TREATMENT ON INTRINSIC ND-DOPED FIBER THERMOMETER PROBES

Authors
ZHANG ZY GRATTAN KTV PALMER AW MEGGITT BT
Citation
Zy. Zhang et al., SPECTRAL CHARACTERISTICS AND EFFECTS OF HEAT-TREATMENT ON INTRINSIC ND-DOPED FIBER THERMOMETER PROBES, Review of scientific instruments, 69(1), 1998, pp. 139-145
Citations number
12
Categorie Soggetti
Physics, Applied","Instument & Instrumentation
Journal title
Review of scientific instruments → ACNP
ISSN journal
00346748
Volume
69
Issue
1
Year of publication
1998
Pages
139 - 145
Database
ISI
SICI code
0034-6748(1998)69:1<139:SCAEOH>2.0.ZU;2-2
Abstract
A detailed investigation of the practical spectroscopic features and t he effect of prolonged exposure to elevated temperatures of an intrins ic Nd:doped fiber optic thermometer probe using the fluorescence decay time technique has been carried out. Results have shown the optimum l ength for the doped fiber and a maximum operating temperature of 750 d egrees C, beyond which a range of high-temperature ''annealing'' effec ts are seen. These are discussed in light of the operation of the ther mometers over the range from -196 to 750 degrees C and potentially abo ve. (C) 1998 American Institute of Physics.