Title :
Rotation detection by optical fibre laser gyro with easily introduced phase-difference bias
Author :
Hotate, K. ; Yoshida, Y. ; Higashiguchi, M. ; Niwa, N.
Author_Institution :
University of Tokyo, Institute of Space & Aeronautical Science, Tokyo, Japan
Abstract :
An optical system for easy introduction of phase-difference bias to optimise the sensitivity of the optical fibre laser gyro is proposed. The preliminary test set-up has been constructed and tested. A detectable limit of rotation of 8.7×10¿4 rad/s has been achieved.
Keywords :
detectors; fibre optics; gyroscopes; measurement by laser beam; optical systems; optical fibre laser gyro; phase difference bias; rotation detection; sensitivity;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800670
