Title :
High precision measurement technology for beat length of birefringence optical fiber
Author :
Duan, Weiqian ; Yang, Yuanhong ; Ye, Miao ; Yang, Mingwei
Author_Institution :
Dept. of Opto-electonics Eng., Beihang Univ., Beijing, China
Abstract :
Based on hybrid Sagnac interferometer formed with single directional coupler and polarization maintaining fiber (PMF) under test, a high precision measurement technology for beat length of birefringence fiber is proposed. The measure error is analyzed and the optimum measure condition is defined. With the high performance optical sensing interrogator technology, the beat length measure precision can be better than 0.001 mm. The verify test is made experimentally. The beat length stability of PMF and polarization maintaining photonic crystal fiber (PM PCF) has been measured and compared too. The result proves the excellent birefringence temperature stability of PM PCF.
Keywords :
Sagnac interferometers; birefringence; fibre optic sensors; holey fibres; optical directional couplers; optical fibre couplers; optical fibre polarisation; optical fibre testing; photonic crystals; PM PCF; PMF; beat length measure precision; beat length stability; birefringence optical fiber; birefringence temperature stability; high performance optical sensing interrogator technology; high precision measurement technology; hybrid Sagnac interferometer; measure error; optimum measure condition; polarization maintaining photonic crystal fiber; single directional coupler; verify test; Length measurement; Optical fiber couplers; Optical fiber polarization; Optical fiber sensors; Temperature measurement; Wavelength measurement; beat-length; birefringence; polarization maintaining photonic crystal fiber;
Conference_Titel :
Instrumentation and Control Technology (ISICT), 2012 8th IEEE International Symposium on
Conference_Location :
London
Print_ISBN :
978-1-4673-2615-5
DOI :
10.1109/ISICT.2012.6291632
