Adaptive Joint Correction of the Piston and Large Tip/Tilt of Beam Combination Using Dynamic Metric Stochastic Parallel Gradient Descent Algorithm

Phase control is paramount for laser beam combination, requiring sequential tip/tilt and piston error correction. The common stochastic parallel gradient descent (SPGD) phase control algorithm using power metrics can't realize the automatic transition from an initial state of spot separation to...

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Veröffentlicht in:	Journal of lightwave technology Jg. 43; H. 11; S. 5439 - 5450
Hauptverfasser:	Fan, Wenbo, Wei, Weilong, Li, Ming, Yang, Kaiyuan, Qi, Bo, Xie, Zongliang
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York IEEE 01.06.2025 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	Adaptive optics Algorithms Beam combination Control algorithms Control methods Control systems Control theory dynamic metric SPGD algorithm Error correction Error correction & detection Heuristic algorithms large-scale tip/tilt errors Laser beams Laser modes Laser theory Locking Measurement Optical variables control Phase control Phase error Pistons Power lasers Robust control
ISSN:	0733-8724, 1558-2213
Online-Zugang:	Volltext
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