Electrostatic MEMS micromirror servo control for micro laser communication terminal

Xuan Wang; Junfeng Han; Chen Wang; Xiuqin Su; Peng Liu; Yu Cao; Fan Wang; Feng Jing

doi:10.1117/12.2679932

16 June 2023 Electrostatic MEMS micromirror servo control for micro laser communication terminal

Xuan Wang, Junfeng Han, Chen Wang, Xiuqin Su, Peng Liu, Yu Cao, Fan Wang, Feng Jing

Proceedings Volume 12702, International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023); 1270211 (2023) https://doi.org/10.1117/12.2679932
Event: International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023), 2023, Changsha, China

Abstract

CubeSats are gaining popularity in low-Earth orbit networks due to their low cost, fast response, and the potential and ability to form constellations. But establishing optical communication links between CubeSats is a daunting task. Laser transmission links require very strict beam pointing stability, and for small satellites with strict size, weight, and power (SWaP) requirements, it is imperative to research light and miniaturized laser communication terminals. Electrostatic micro-electromechanical systems (MEMS) mirrors are currently the most effective devices for realizing SWaP terminals in the field of optical communication. Therefore, this paper mainly studies the servo control of electrostatic MEMS mirrors for micro-miniature laser communication terminals. By using the position error feedback of the photodetector, the servo control requirements of high response speed and high robustness are realized.

Citation Download Citation

Xuan Wang, Junfeng Han, Chen Wang, Xiuqin Su, Peng Liu, Yu Cao, Fan Wang, and Feng Jing "Electrostatic MEMS micromirror servo control for micro laser communication terminal", Proc. SPIE 12702, International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023), 1270211 (16 June 2023); https://doi.org/10.1117/12.2679932

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KEYWORDS

Microelectromechanical systems

Micromirrors

Control systems

Laser communication terminals

Laser communications

Mirrors

Servomechanisms

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