Title :
Low-drift fibre gyro using a superluminescent diode
Author :
Böhm, K. ; Marten, P. ; Petermann, K. ; Weidel, E. ; Ulrich, R.
Author_Institution :
AEG-Telefunken, Forschungsinstitut, Ulm, West Germany
Abstract :
By using a superluminescent diode as the light source and a depolariser inside the fibre coil, a constant scale factor is achieved without using polarisation control elements. For long-term behaviour an RMS-bias drift of 10 degrees/h is obtained.
Keywords :
fibre optics; gyroscopes; light emitting diodes; LED; Sagnac-phase shift; depolariser; drift 10 degrees/h; fibre coil; long-term behaviour; low drift fibre gyro; optical fibre gyroscopes; superluminescent diode;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19810248