Experimental results for correlation-based wavefront sensing

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Correlation wave-front sensing can improve Adaptive Optics (AO) system performance in two keys areas. For point-source-based AO systems, Correlation is more accurate, more robust to changing conditions and provides lower noise than a centroiding algorithm. Experimental results from the Lick AO system and the SSHCL laser AO system confirm this. For remote imaging, Correlation enables the use of extended objects for wave-front sensing. Results from short horizontal-path experiments will show algorithm properties and requirements.

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PDF-file: 16 pages; size: 0.3 Mbytes

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Poyneer, L. A.; Palmer, D. W.; LaFortune, K. N. & Bauman, B. July 1, 2005.

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Correlation wave-front sensing can improve Adaptive Optics (AO) system performance in two keys areas. For point-source-based AO systems, Correlation is more accurate, more robust to changing conditions and provides lower noise than a centroiding algorithm. Experimental results from the Lick AO system and the SSHCL laser AO system confirm this. For remote imaging, Correlation enables the use of extended objects for wave-front sensing. Results from short horizontal-path experiments will show algorithm properties and requirements.

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PDF-file: 16 pages; size: 0.3 Mbytes

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  • Presented at: SPIE Advanced Wavefront Control, San Diego, CA, United States, Jul 31 - Aug 02, 2005

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  • Report No.: UCRL-CONF-213374
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 878219
  • Archival Resource Key: ark:/67531/metadc878848

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Office of Scientific & Technical Information Technical Reports

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  • July 1, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Oct. 4, 2016, 4:27 p.m.

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Poyneer, L. A.; Palmer, D. W.; LaFortune, K. N. & Bauman, B. Experimental results for correlation-based wavefront sensing, article, July 1, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc878848/: accessed June 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.