Compensation of laser beam projection through turbulence in multimirror adaptive optics system with phase retrieval method

Yanchai Zhang; Michael C. Roggemann; Timothy J. Schulz; Ronald Kizito

doi:10.1117/12.502892

27 January 2004 Compensation of laser beam projection through turbulence in multimirror adaptive optics system with phase retrieval method

Yanchai Zhang, Michael C. Roggemann, Timothy J. Schulz, Ronald Kizito

Author Affiliations +

Proceedings Volume 5160, Free-Space Laser Communication and Active Laser Illumination III; (2004) https://doi.org/10.1117/12.502892
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

An application of a phase retrieval method for correcting strong scintillation effects of laser beam projection through turbulence in multimirror adaptive optics system is reported. In this approach, two deformable mirrors are used in the system and the phase applied to the deformable mirrors is obtained based on the phase retrieval method. An extended random beacon is used to provide input signals for the wave front sensor. Computer simulations are used to evaluate the performance of the system in the presence of strong turbulence. Our results show that this phase retrieval method with two deformable mirrors yields better performance compared with the conventional adaptive systems.

Citation Download Citation

Yanchai Zhang, Michael C. Roggemann, Timothy J. Schulz, and Ronald Kizito "Compensation of laser beam projection through turbulence in multimirror adaptive optics system with phase retrieval method", Proc. SPIE 5160, Free-Space Laser Communication and Active Laser Illumination III, (27 January 2004); https://doi.org/10.1117/12.502892

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