Precision Laser Emission Technology Based on Fast Steering Mirror for Space Optical Communication

Abstract:

Aiming at the rigorous requirements of space optical communication device to laser pointing accuracy, a laser emission system based on the fast steering mirror is designed. The closed-loop control of the laser pointing can be realized by using the fast steering mirror with the characteristics of high-precision and high-bandwidth and combining the target recognition technology. The laser emission experimental system is built in the laboratory. The experimental results show that the laser pointing control accuracy can be greatly improved by the combination of fast steering mirror control and target recognition technology. Laser pointing accuracy is within 20 seconds to reach the sub-micro-radian magnitude.

• Periodical: Applied Mechanics and Materials (Volumes 336-338)
• Pages: 1809-1813
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.336-338.1809
• Online since: July 2013
• Authors: Zhen Hua Jiang, Ting Feng Wang, Tao Sun
• Keywords: Fast Steering Mirror, Laser Emitting, Miss Distance, Space Optical Communication

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