Systems and method to mitigate AC stark shift effects in a sensor systemSensor system (10) including a cell system comprising a pump laser (112) configured to generate a pump beam to polarize alkali metal particles (108) enclosed within a sensor cell. The system also incl…DRIVE·Jul 2·2 min readFollowG01C19/62NORTHROP GRUMMAN GUIDANCE & EL [US]
Amplitude control for vibrating resonant sensorsA system is provided for controlling the amplitude of a vibrating resonant sensor through a drive signal applied to the resonator. The system comprises a controller that provides the drive signal to a…DRIVE·May 21·1 min readFollowG01C19/5776NORTHROP GRUMMAN GUIDANCE & EL [US]
Fiber optic gyroscope with front end polarizerA fiber optic gyroscope (FOG) is provided. The FOG comprises a depolarizer that receives light from a light source, a multifunction integrated optic chip (MIOC) and a sensing coil coupled to outputs o…DRIVE·May 21·1 min readFollowG01C19/72NORTHROP GRUMMAN GUIDANCE & EL [US]
Stabilized pump laser output system and methodA stabilized pump laser source (300, 500) includes a semiconductor laser source (310, 520) that generates a coherent output signal and a light stabilizer. The light stabilizer comprises an optical fib…DRIVE·Mar 19·1 min readFollowG01C19/721NORTHROP GRUMMAN GUIDANCE & EL [US]
Class ii coriolis vibratory rocking mode gyroscope with central fixed postA resonator gyroscope includes a central post; a resonator coupled to the central post; and a diaphragm coupled to the resonator, wherein at least one of the diaphragm and the central post accommodate…DRIVE·Jan 15·1 min readFollowG01C19/5712NORTHROP GRUMMAN GUIDANCE & EL [US]