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Wave front active control by a digital-signal-processor-driven deformable membrane mirror
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10.1063/1.2337096
/content/aip/journal/rsi/77/9/10.1063/1.2337096
http://aip.metastore.ingenta.com/content/aip/journal/rsi/77/9/10.1063/1.2337096
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Adaptive mirror scheme.

Image of FIG. 2.
FIG. 2.

Interferograms of the mirror. (a) Flat position; (b) pulled each electrodes by half driving voltage .

Image of FIG. 3.
FIG. 3.

Defocus, tilt, and astigmatism aberrations reproduced on the central part of the mirror in diameter.

Image of FIG. 4.
FIG. 4.

Optical apparatus scheme.

Image of FIG. 5.
FIG. 5.

Spectrum of PWM signals .

Image of FIG. 6.
FIG. 6.

64 channel PWM signal generator block diagram.

Image of FIG. 7.
FIG. 7.

Experimental setup for the mirror dynamic measurements.

Image of FIG. 8.
FIG. 8.

Amount of tilt of the membrane at a given frequency.

Image of FIG. 9.
FIG. 9.

Laser spot before and after optimization.

Image of FIG. 10.
FIG. 10.

Typical voltage evolution on the photodiode over generations. The optimization was completed in 30 generations in .

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/content/aip/journal/rsi/77/9/10.1063/1.2337096
2006-09-08
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Wave front active control by a digital-signal-processor-driven deformable membrane mirror
http://aip.metastore.ingenta.com/content/aip/journal/rsi/77/9/10.1063/1.2337096
10.1063/1.2337096
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