Title :
High dynamic range temperature point sensor using green fluorescence intensity ratio in erbium-doped silica fiber
Author :
Maurice, Eric ; Monnom, Gérard ; Ostrowsky, D.B. ; Baxter, G.W.
Author_Institution :
Lab. de Phys. de la Matiere Condensee, Nice Univ., France
fDate :
7/1/1995 12:00:00 AM
Abstract :
We propose a sensor based on the temperature dependant behavior of the two lines of green emission of the erbium ion. The ratio of the intensities of these two lines presents a very low dependance on pump wavelength and pump power fluctuations. The sensitivity of the ratio is 0.013/°C between room temperature and 600°C. In addition, the measurement is self-calibrated
Keywords :
calibration; erbium; fibre lasers; fibre optic sensors; fluctuations; fluorescence; optical pumping; sensitivity; spectral methods of temperature measurement; stimulated emission; temperature sensors; 20 to 600 C; erbium ion; erbium-doped silica fiber; fibre lasers; fibre optic sensors; green emission; green fluorescence intensity ratio; high dynamic range temperature point sensor; pump power fluctuations; pump wavelength; room temperature; self-calibrated; temperature dependant behavior; very low dependance; Doped fiber amplifiers; Dynamic range; Erbium; Fluorescence; Laser excitation; Optical fiber sensors; Silicon compounds; Temperature dependence; Temperature distribution; Temperature sensors;
Journal_Title :
Lightwave Technology, Journal of
