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9 May 2013 Tip-tilt restoration of a segmented optical mirror using a geometric sensor
Juan José Fernández-Valdivia, Alberto L. Sedano, Sergio Chueca, Javier S. Gil, Jose Manuel Ridriguez-Ramos
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Optical Engineering, Vol. 52, Issue 5, 056601 (May 2013). https://doi.org/10.1117/1.OE.52.5.056601
Abstract
We present a geometric sensor to restore the local tip-tilt in a segmented surface using the Van Dam and Lane algorithm [M. A. van Dam and R. G. Lane, Appl. Opt.41(26), 5497–5502 (2002)]. The paper also presents an implementation of this algorithm using graphical processing units as specialized hardware. This compute unified device architecture implementation achieves real-time results inside the stability time of the atmosphere for resolutions of up to 1024×1024 pixels.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Juan José Fernández-Valdivia, Alberto L. Sedano, Sergio Chueca, Javier S. Gil, and Jose Manuel Ridriguez-Ramos "Tip-tilt restoration of a segmented optical mirror using a geometric sensor," Optical Engineering 52(5), 056601 (9 May 2013). https://doi.org/10.1117/1.OE.52.5.056601
Published: 9 May 2013
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Cited by 11 scholarly publications.
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KEYWORDS
Image segmentation
Wavefronts
Sensors
Mirrors
Zernike polynomials
Telescopes
Geometrical optics
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