Astronomy and Astrophysics – Astrophysics – Instrumentation and Methods for Astrophysics
Scientific paper
2009-09-18
Ghosh, Ajay and Choudhury, Debesh eds., proceedings of International Conference on Trends in Optics and Photonics., March, 200
Astronomy and Astrophysics
Astrophysics
Instrumentation and Methods for Astrophysics
12 figures, 2 tables, in modified format (10 pages), published in the proceedings of International Conference on Trends in Opt
Scientific paper
We present a liquid crystal method of correcting the phase of an aberrated wavefront using a spatial light modulator. A simple and efficient lab model has been demonstrated for wavefront correction. The crux of a wavefront correcting system in an adaptive optics system lies in the speed and the image quality that can be achieved. The speeds and the accuracy of wavefront representation using Zernike polynomials have been presented using a very fast method of computation.
Banyal Ravinder Kumar
Prasad Raghavendra B.
Roopashree M. B.
Vyas Akondi
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