DocumentCode
1944651
Title
High resolution cryogenic optical fiber sensor system using erbium-doped fiber
Author
Yong Wook Lee ; Byoungho Lee
Author_Institution
Sch. of Electr. Eng., Seoul Nat. Univ., South Korea
Volume
1
fYear
2001
fDate
15-19 July 2001
Abstract
In this paper, we propose a cryogenic optical fiber sensor which can measure temperature at higher resolution using the temperature characteristics of an EDF pumped by a 1480 nm laser diode and modulation of the injection current of the pump laser diode. The measurement resolution considering fluctuations of the light source in the sensor systems is /spl sim/0.4 K near room temperature and /spl sim/0.07 K near liquid nitrogen temperature.
Keywords
erbium; fibre optic sensors; low-temperature techniques; temperature measurement; 1480 nm; 77 to 295 K; Er-doped fiber; LD injection current modulation; high resolution cryogenic optical fiber sensor; laser diode pumping; light source fluctuation; measurement resolution; temperature measurement; Cryogenics; Current measurement; Diode lasers; Fluctuations; Laser excitation; Light sources; Optical fiber sensors; Sensor systems; Temperature measurement; Temperature sensors;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location
Chiba, Japan
Print_ISBN
0-7803-6738-3
Type
conf
DOI
10.1109/CLEOPR.2001.967940
Filename
967940
Link To Document