A ring laser gyroscope produced by the Arsenal ... The shifted vibration pattern can be picked up by the gyro’s electrostatic sensors, which convert them back into electrical signals.
Anello Photonics' SiPhOG technology will enable US Navy hypersonic vehicles to navigate accurately even in GPS-denied ...
as well as a Fiber Optic Gyroscope (FOG) from an unknown missile, though possibly from the Tornado family of MRLSes. The latter uses the Sagnac effect to detect the phase shift between two laser ...