High-Performance Fiber Optic, Ring Laser Gyro and MEMS Inertial Sensors & Navigation Systems
CIRUS-A Strategic-Grade High-Performance FOG IMU

Strategic-Grade High-Performance FOG IMU

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EMCORE’s CIRUS-A is a high-performance Fiber Optic Gyro (FOG) Inertial Measurement Unit (IMU). It is engineered for inertial navigation, guidance, pointing, and stabilization across missile, space, sensor, ground, air, and marine applications.

Key Features:

  • Simplified Design: Streamlined optical circuit design reduces components and enhances performance in military environments.
  • Proven Performance: Extensive legacy in delivering strategic-grade FOG-based products for diverse applications.


  • Platform Stabilization: Ensures steady and reliable platform performance.
  • Missile Guidance Systems: Provides precise guidance for missile systems.
  • Vehicle/Platform Navigation: Enhances navigation accuracy for various vehicles and platforms.
  • Northfinder Applications: Delivers accurate directional finding for critical operations.


Dimensions 11.9 in. L x 11.1 in. W x 5.9 in. H
30.23 cm L x 28.2 cm W x 15 cm H
Weight 18 lb., 8.165 kg
Power 10 W @ 28 VDC
Bias Stability 0.0001 °/hr
Angle Random Walk 0.0005 °/√hr
Angular Rate Range > 45 °/sec