R M Ranson et al 1998 Meas. Sci. Technol. 9 1947 doi:10.1088/0957-0233/9/12/003
A thin film coating for phosphor thermography
R M Ranson, C B Thomas and M R Craven
Show affiliationsPhosphor thermography is a laser-induced fluorescence method utilized for the temperature sensing of rotating components within inhospitable environments. Results presented here show that thin film coatings for thermographic sensors have a much higher durability than conventional thick film coatings. Room-temperature measurements demonstrate that the intensity of the luminescent emission from thin films is equivalent to that from thick films. Lifetime measurements carried out at 
C show that thin films survived for up to ten hours, whereas thick film samples survived for less than one. More importantly, post-run measurements of thin films indicate little degradation in the intensity of the fluorescent signal. This illustrates the capability of thin film sensors for remote temperature sensing.
- PACS
- Subjects
- Dates
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Issue 12 (December 1998)
Received 29 June 1998, accepted for publication 1 October 1998, in final form 24 August 1998
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A thin film coating for phosphor thermography
R M Ranson et al 1998 Meas. Sci. Technol. 9 1947
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