FRIM: Minimum-variance reconstructor with a FRactal iterative method

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 6272 II, Issue , 2006, Pages

  Béchet, Clémentine ^a   Tallon, Michel ^a   Thiébaut, Eric ^a  

^a UNIVERSITÉ DE LYON   (France)

Author keywords

Adaptive optics; Control; Extremely Large Telescopes; Iterative algorithm; Preconditioning

Indexed keywords

ADAPTIVE ALGORITHMS; COMPUTER SIMULATION; DEGREES OF FREEDOM (MECHANICS); IMAGE RECONSTRUCTION; ITERATIVE METHODS; OPTICAL TELESCOPES;

CLOSED LOOP SIMULATIONS; EXTREMELY LARGE TELESCOPES; ITERATIVE ALGORITHMS;

ADAPTIVE OPTICS;

EID: 33749380358     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.672197     Document Type: Conference Paper

References (10)

1. K. R. Freischlad and C. L. Koliopoulos, "Modal estimation of a wave front from difference measurements using the discrete Fourier transform," J. Opt. Soc. Am. A 3(11), pp. 1852-1861, 1986.
2. L. Poyneer, M. Troy, B. Macintosh, and D. Gavel, "Experimental validation of fourier-transform wave-front reconstruction at the palomar observatory," Opt. Lett. 28(10), p. 798, 2003.
3. L. Poyneer and J.-P. Véran, "Optimal modal fourier-transform wavefront control," J. Opt. Soc. Am. A 22(8), pp. 1515-1526, 2005
4. B. L. Ellerbroek, "Efficient computation of minimum-variance wave-front reconstructors with sparse matrix techniques," J. Opt. Soc. Am. A 19(9), pp. 1803-1816, 2002.
5. B. L. Ellerbroek and C. R. Vogel, "Simulations of closed-loop wavefront reconstruction for multiconjugate adaptive optics on giant telescopes," in Adaptive Optics System Technologies II, Proc. SPIE, pp. 206-217, 2003.
6. L. Gilles, C. R. Vogel, and B. L. Ellerbroek., "Multigrid preconditionned conjugate-gradient method for large-scale wave-front reconstruction," J. Opt. Soc. Am. A 19, pp. 1817-1822, 2002.
7. L. Gilles, "Order-n sparse minimum-variance open-loop reconstructor for extreme adaptive optics," Opt. Lett. 28, pp. 1927-1929, 2003.
8. E. Thiébaut and M. Talion, "Ultra fast maximum a posteriori wave front reconstruction for extremely large telescopes," in preparation, 2006.
9. J. Herrmann, "Phase variance and strehl ratio in adaptive optics," J. Opt. Soc. Am. A 9(12), p. 2257, 1992.
10. L. Gilles, "Closed-loop stability and performance analysis of least-squares and minimum-variance control algorithms for multiconjugate adaptive optics," Appl. Opt. 44(6), pp. 993-1002, 2005.