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Modeling a MEMS deformable mirror using non-parametric estimation techniques
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DOI：10.1364/OE.18.021356.png)
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Using non-parametric estimation techniques, we have modeled an area of 126 actuators of a micro-electro-mechanical deformable mirror with 1024 actuators. These techniques produce models applicable to open-loop adaptive optics, where the turbulent wavefront is measured before it hits the deformable mirror. The model's input is the wavefront correction to apply to the mirror and its output is the set of voltages to shape the mirror. Our experiments have achieved positioning errors of 3.1% rms of the peak-to-peak wavefront excursion. (C) 2010 Optical Society of America
Keyword:
OPEN-LOOP CONTROL
NEURAL-NETWORK
ADAPTIVE OPTICS
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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