About Ring Laser Gyro Technology
About Ring Laser Gyro Technology
Optical technologies RLG & FOG sensing technologies form the basis of many of our motion sensors. Their role is to measure the rotation of a device in free space. Both technologies use a phase interferometry to achieve these rotational measurements. The RLG or the FOGs are arranged in a group of 3, and complimented with 3 matched accelerometers, to form a 6 Degree Of Freedom (DOF) inertial measurement unit (IMU).
RLG technology The monolithic RLGs used by CDL are extremely stable over a range of temperatures and are available in 2 performance grades. A wide range of products, from the MiniRLG to the MiniPOSNAV3 are available with this technology. They are also available as positioning solutions, as they have embedded inertial navigation algorithms. When supplied with a DVL, the system can use the data from the DVL directly to aid the solution. Where most other technologies would have a hard time operating, RLGs are able to perform under adverse environmental.
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