High-powered voice coil actuator for fast steering mirror

Xin Wu; Sihai Chen; Benyi Shi; Wei Chen; Xiaogang Xiong

doi:10.1117/1.3544587

1 February 2011 High-powered voice coil actuator for fast steering mirror

Xin Wu, Sihai Chen, Benyi Shi, Wei Chen, Xiaogang Xiong

Author Affiliations +

Optical Engineering, Vol. 50, Issue 2, 023002 (February 2011). https://doi.org/10.1117/1.3544587

Abstract

Voice coil actuators (VCAs) are applied in a fast steering mirror (FSM), precision positioning platform, etc. These applications demand that the VCAs used are simple, inexpensive, reliable, and efficient. In this paper, we report a novel VCA with concentration flux-line structure. The VCA greatly reduces the magnet leakage and has less electromagnetic interference with other electronic devices. The output force sensitivity of the VCA is 4.17 N/A with a coil of 300 turns and the stroke is ±2.5 mm. Driven by this VCA, the mechanical scanning angle of the FSM can achieve ±4.9 deg when the scanning frequency is 100 Hz.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Xin Wu, Sihai Chen, Benyi Shi, Wei Chen, and Xiaogang Xiong "High-powered voice coil actuator for fast steering mirror," Optical Engineering 50(2), 023002 (1 February 2011). https://doi.org/10.1117/1.3544587

Published: 1 February 2011

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