Passive Components Products • High reliability; • Excellent batch consistency; • Superior environmental adaptability. • Fiber Optic Gyroscope(FOG) systems; • Other fiber optic sensing applications. According to Sagnac effect: in a closed optical loop of any geometry, two light waves emitted from any point and propagating in opposite directions will change the phase of the two light waves if the closed light path rotates in a certain direction relative to the inertial space when returning to the point. Shanghai Aoshi Control Technology Co.Ltd 36