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Magnetic Fast Steering Mirrors for Tracking and Optical Communica-tion for Defense and Aerospace Industries

7 July 2026

Defense tracking or Space Communication applications rely on energy efficient and high precision control solutions where compactness, integration, reliability and robustness in severe conditions are critical. In order to cope with perfor-mances of Fine & Fast Pointing and Point Ahead Mechanism requirements for Defense or Space applications, CEDRAT TECHNOLOGIES (CTEC) is continuously improving its Magnetic Fast Steering Mirror products (M-FSM45 and M-FSM62) [1-3], based on proprietary MICA™ flexure bearing magnetic actuators mechanism (Moving Iron Controllable Actuator), with embedded eddy current sensors (ECS) for high controllability capacity. Thanks to its heritage and many years of experience in Magnetic Fast Steering Mirror (M-FSM) technologies, CTEC has developed new versions of the M-FSM62 and M-FSM45 through several Defense and Space R&D projects. These include a Defense project focused on InfraRed Search and Track (IRST) functions embedded on aircraft, as well as the Spanish QKD GEO project (demon-stration of a Quantum Key Distribution system embarked on a geostationary satellite) and the SOLIS project (secured optical communications services relying on geostationary satellites). These new developments achieve higher perfor-mances than current products available on the market.
mica compressor.jpg

Optimized high-efficiency MICA actuators for space compressors

14 June 2024

Moving Iron Controllable Actuators MICA™ are magnetic linear actuators from CEDRAT TECHNOLOGIES (CTEC) that find interests in applications requiring high-force density and low heating. Because of these attractive performances, some space applications such as ZBO Gas compressors and Pulse Tube Cryocooler are considering their use in operational missions. However, this last application requires the demonstration of additional features, notably a high efficiency, a long lifetime and a good force homogeneity to minimize the generation of exported micro-vibrations. To fulfil these additional features, CTEC has developed an optimised MICA following the specifications of the Pulse Tube Cryocooler (PTC) of AIR LIQUIDE. The paper will present the performance progresses obtained on this customized MICA, from modelling prediction to lab tests of Engineering Models.

MICA actuator: highly dynamic controllable magnetic actuators

19 June 2023

Moving Iron Controllable Actuator is a concept of linear magnetic actuator that is especially designed to respond to the need of highly dynamic controllable actuators. The article presents the specificity of the actuator compared to more classical magnetic actuator concepts. It points out the interest of its properties and describes technological issues it implies. A MICA prototype has been built and its main performances are given: 800N, 20A, with a size 160*200*150. The controllability of the actuator has been demonstrated by simulation using force characteristic of MICA. Finally, the prototype will be declined in a full range of magnetic actuators as products of Cedrat Technologies.

MICA20CS Proof Mass Actuator

8 September 2022

The MICA linear actuator technology (Moving Iron Controllable Actuator) is being continuously improved at CEDRAT TECHNOLOGIES (CTEC) for applications needing high controllable stroke, force, and power. The MICA20CS Proof Mas Actuator is a new actuator model, which is now completing the CTEC Proof Mass Actuator family together with the MICA300CM.

Moving Iron Controllable Actuator : Performances in close loop control

19 June 2023

Moving iron controllable actuator (MICA) is a highly controllable Actuator. It has a robust mobile part with elastic guiding for a long life. The article presents the performances of the MICA when it is driven in a closed loop and shows impressive results achieved by IDEKO on a SOLARUCE milling machine.

Nanometric positioning with piezo actuator and high stability strain gauges

19 June 2023

Many applications require long-term position stability, which relates to the notion of absolute precision over time. Until now, the long-term stability of strain gages (SG) for position measurement was questionable. Using its extensive know-how of strain gages integration and new instrumentation equipment, Cedrat Technologies has managed to demonstrate nanometric position stability of a closed-loop piezo-mechanism with integrated strain gages sensors. This technology opens a wide range of new possibilities for industrial, aeronautical, and space applications.