Tuning of ring laser by varying the Gouy phase

Tuning a ring laser by using the Gouy phase is explored. We find a sensitive capability by moving a lens in the ring cavity. Application of the effect to ring laser gyro is discussed.

Research Highlights
► In this paper tuning a ring laser by using the Gouy phase is explored.
► We find a sensitive capability by moving a lens in the ring cavity.
► Application of the effect to ring laser gyro is discussed.