Shack-hartmann wavefront reconstruction with elongated sodium laser guide stars: Improvements with priors and noise correlations

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7015, Issue , 2008, Pages

  Tallon, Michel ^a   Tallon Bosc, Isabelle ^a   Bećhet, Clémentine ^a   Thiébaut, Eric ^a  

^a UNIVERSITÉ DE LYON   (France)

Author keywords

Adaptive Optics; Extremely Large Telescopes; Ground Layer Adaptive Optics; Laser guide star elongation; Maximum A Posteriori; Minimum Variance; Wavefront reconstruction

Indexed keywords

EXTREMELY LARGE TELESCOPES; GROUND LAYER ADAPTIVE OPTICS; LASER GUIDE STAR ELONGATION; MAXIMUM A POSTERIORI; MINIMUM VARIANCE; WAVEFRONT RECONSTRUCTION;

COMPUTER SIMULATION; COMPUTERIZED TOMOGRAPHY; CURVE FITTING; ELECTRIC FIELD EFFECTS; ELONGATION; LASERS; LEAST SQUARES APPROXIMATIONS; OPTICAL SENSORS; OPTICAL TELESCOPES; RESTORATION; SATELLITE NAVIGATION AIDS; SODIUM; STARS; UNCERTAINTY ANALYSIS; WAVEFRONTS;

ADAPTIVE OPTICS;

EID: 66949148737     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.788902     Document Type: Conference Paper

References (16)

1. Foy, R. and Labeyrie, A., "Feasibility of adaptive telescope with laser probe," Astron. Astrophys. 152, L29-L31 (1985).
2. Papen, G. C., Gardner, C. S., and Yu, J., "Characterization of the mesospheric sodium layer," in [Adaptive optics ], O.S.A. topical meeting, 96-99, Optical Society of America, Washington, USA (1996).
3. Michaille, L., Clifford, J. B., Dainty, J. C., Gregory, T., Quartel, J. C., Reavell, F. C., Wilson, R. W., and Wooder, N. J., "Characterization of the mesospheric sodium layer at La Palma," Mon. Not. R. Astr. Soc. 328(4), 993-1000 (2001). (Pubitemid 33620992)
4. Rousset, G., "Wavefront sensors," in [Adaptive Optics in Astronomy], Roddier, F., ed., 91-130, Cambridge University Press (1999).
5. Gilles, L. and Ellerbroek, B., "Shack-hartmann wavefront sensing with elongated sodium laser beacons: centroiding versus matched filtering," Appl. Opt. 45(25), 6568-6576 (2006).
6. Gilles, L. and Ellerbroek, B. L., "Constrained matched filtering for extended dynamic range and improved noise rejection for Shack-Hartmann wavefront sensing," Opt. Lett. 33(10), 1159-1161 (2008).
7. Fried, D. L., "Least-squares fitting a wave-front distortion estimate to an array of phase-difference measurements," J. Opt. Soc. Am. 67(3), 370-375 (1977).
8. Fusco, T., Conan, J. M., Rousset, G., Mugnier, L. M., and Michau, V., "Optimal wave-front reconstruction strategies for multiconjugate adaptive optics," J. Opt. Soc. Am. A 18(10), 2527-2538 (2001).
9. Barrett, R., Berry, M., Chan, T. F., Demmel, J., Donato, J. M., Dongarra, J., Eijkhout, V., Pozo, R., Romine, C., and Van der Vorst, H., [Templates for the Solution of Linear Systems: Building Blocks for Iterative Methods], SIAM, Philadelphia PA (1994).
10. Thiébaut, E. and Tallon, M., "Fast minimum variance wavefront reconstruction for extremely large telescopes," J. Opt. Soc. Am. A submitted (2008).
11. Tallon, M., Thiébaut, E., and Béchet, C., "A Fractal Iterative Method for fast wavefront reconstruction for extremely large telescopes," in [Adaptive Optics: Analysis and Methods], Ellerbroek, B. L. and Christou, J. C., eds., OSA topical meetings, paper PMA2, Optical Society of America, Washington, USA (2007).
12. van Dam, M. A., Bouchez, A. H., Le Mignant, D., and Wizinowich, P. L., "Quasi-static aberrations induced by laser guide stars in adaptive optics," Opt. Express 14(17), 7535-7540 (2006). (Pubitemid 44277485)
13. Clare, R. M., van Dam, M. A., and Bouchez, A. H., "Modeling low order aberrations in laser guide star adaptive optics systems," Opt. Express 15(8), 4711-4725 (2007). (Pubitemid 46609017)
14. Fried, D. L., "Analysis of focus anisoplanatism: The fundamental limit in performance of artificial guide star adaptive optics systems," in [Laser Guide Star Adaptive Optics], Fugate, R. Q., ed., Workshop, 37-80, Phillips Lab. (1992).
15. Béchet, C., Tallon, M., and Thiébaut, E., "Closed-loop AO performance with FrIM," in [Signal Recovery and Synthesis ], Ellerbroek, B. L. and Christou, J. C., eds., OSA topical meetings, paper JTuA4, Optical Society of America, Washington, USA (2007).
16. Tallon, M. and Foy, R., "Adaptive telescope with laser probe: isoplanatism and cone effect," Astron. Astrophys. 235(1- 2), 549-557 (1990).