摘要 |
<p>A ring laser gyro system having at least one fixed mirror (3,4), and two movable mirror assemblies (1,2), for causing a pair of laser beams to counter-rotate therebetween, including amplitude control circuits and a phase control circuit for causing the movable mirror assemblies (1,2) to sinusoidally oscillate at the same amplitude and frequency, but 180 DEG out of a phase with one-another, to substantially eliminate lock-in. <IMAGE></p> |