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Adaptive Optics: Methods, Analysis and Applications (2009)

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  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThA1
  • OSA Technical Digest (CD)
  • Chen, Mingzhou; Dainty, Chris
  • We introduce a method to remove optical vortices from strong scintillated laser beams by vortex dipole annihilation with a continuous phase modulation. Numerical ...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThA2
  • OSA Technical Digest (CD)
  • Costille, Anne; Petit, Cyril; Conan, Jean-Marc; Kulcsár, Caroline; Raynaud, Henri-Francois; Fusco, Thierry
  • We present an experimental validation of LTAO and MCAO concepts in closed-loop in laboratory. We compare the performance of LQG based optimal control and classic integrator based...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThA4
  • OSA Technical Digest (CD)
  • Andersen, David R; Fischer, Michael; Véran, Jean-Pierre
  • We explore a method for building an interaction matrix for VOLT (the Victoria Open Loop Testbed) that bypasses problems associated with optically aligning an open loop wavefront sensor...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThA5
  • OSA Technical Digest (CD)
  • Willems, Phil
  • Gravitational-wave (GW) interferometers, such as LIGO, are susceptible to thermal aberrations that impair their performance. We describe thermal compensation in the LIGO GW...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThA6P
  • OSA Technical Digest (CD)
  • Schwab, Christian; Quirrenbach, Andreas; Gässler, Wolfgang; Peter, Diethard
  • We describe the calibration scheme and optical design of a calibration unit for the off-axis laser guide stars at LBT’s ARGOS facility. Artificial stars with the desired wavefront are...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThB1
  • OSA Technical Digest (CD)
  • Herriot, Glen; Ellerbroek, Brent L; Andersen, David A; Schoeck, Matthias; Travouillon, Tony
  • We present an auto-regressive model of atmospheric seeing versus time, based on three years’ data from TMT candidate site Cerro Armazonas. The model reproduces time histories of...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThB3P
  • OSA Technical Digest (CD)
  • Holzlohner, Ronald; Rochester, Simon; Bonaccini Calia, Domenico; Budker, Dmitry; Higbie, James M; Hackenberg, Wolfgang
  • We present the results of extensive Bloch equation numerical simulations, both for cw and for various pulsed laser formats and applications.

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThC1
  • OSA Technical Digest (CD)
  • Ellerbroek, Brent L
  • We describe a linear model for Shack-Hartmann sensors. For small wave-front aberrations, the model accounts for the effects of physical optics, extended sources, pixel sampling, and...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThC2
  • OSA Technical Digest (CD)
  • Wang, Feiling; Spivey, Christopher; Zhong, Guixiong; Chen, Yuchuan; Zhao, Jing
  • Recently, a modal wavefront sensing method, with the use of binary basis functions, was proposed. In this paper we examine some of the optical arrangements for its applications and...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThC4
  • OSA Technical Digest (CD)
  • Wirth, Allan; Jankevics, Andrew; Landers, Frank
  • Correlation wavefront sensing is applied to the problem of figure and alignment maintenance of imaging systems on airborne and space platforms. The design of the system and results of...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThC5
  • OSA Technical Digest (CD)
  • Talmi, Amos; Ribak, Erez N
  • Shape from shade and Hartmann sensing require plenty of pixels for measurement, but many fewer can be analyzed, saving space and time. We found a method to compress large-format camera...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThD1
  • OSA Technical Digest (CD)
  • Bifano, Thomas
  • Deformable mirrors made using MEMS processes have become commodity products. Newer capabilities include nanometer-scale predictive open-loop control and scaling to >4000 actuators,...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThD2
  • OSA Technical Digest (CD)
  • Haji-Saeed, Bahareh; Khoury, Jed; Vaccaro, Kenneth; Kierstead, John; Woods, Charles; Davis, Andrew
  • We are in the process of developing an all optically driven deformable mirror device through integration of an array of photodetectors with an array of MEMS deformable mirrors.

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThD3
  • OSA Technical Digest (CD)
  • Sinquin, Jean-Christophe; Lurçon, Jean-Marie; Morin, Pierre
  • We recall the principles, performances and main technical advantages of CILAS Piezo Array Deformable Mirrors. Then we present two new associated technologies: the possible spherical...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOThD4
  • OSA Technical Digest (CD)
  • Vogel, Curtis R; Tyler, Glenn; Conan, Rodolphe; Blain, Celia
  • We introduce robust order N algorithms to estimate model parameters and control DMs in open loop based on the Vogel-Yang model for deformable mirrors appearing in JOSA-A, 23, pp....

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOTuA1
  • OSA Technical Digest (CD)
  • Johnson, Robert; Montera, Dennis; Schneeberger, Timothy; Spinhirne, James
  • A new adaptive optics system is being installed on the Starfire 3.5m telescope, using the existing 50W pump to create a sodium guidestar. Transmission to the wavefront sensor is...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOTuA2
  • OSA Technical Digest (CD)
  • Hickson, Paul; Pfrommer, Thomas
  • We describe new observations of sodium density variability obtained with a high-resolution lidar system. These show significant mean altitude variations extending to frequencies above...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOTuA3
  • OSA Technical Digest (CD)
  • Hart, Michael; Rabien, Sebastian; Esposito, Simone; Busoni, Lorenzo
  • The Large Binocular Telescope is adding a constellation of Rayleigh laser guide stars to implement ground-layer AO over a 4 arcminute field. A further upgrade will add sodium lasers to...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOTuA4
  • OSA Technical Digest (CD)
  • Ammons, Mark; Johnson, Luke; Gavel, Donald T; Kupke, Renate; Max, Claire E
  • We review laboratory experiments of Laser Tomographic Adaptive Optics (LTAO) on a simulated 10-meter telescope testbed at 710 nm. The system maintains 20-35% Strehl across 45” over the...

  • Adaptive Optics: Methods, Analysis and Applications (AOPT) 2009 paper: AOTuA5
  • OSA Technical Digest (CD)
  • Morris, Tim; Hubert, Zoltan; Myers, Richard; Gendron, Eric; Longmore, Andy; Rousset, Gerard; Talbot, Gordon; Fusco, Thierry; Dipper, Nigel; Vidal, Fabrice; Henry, David; Gratadour, Damien; Butterley, Tim; Chemla, Fanny; Guzman, Dani; Younger, Eddy; Kellerer, Aglae; Harrison, Mark; Marteaud, Michel; Geng, Deli; Basden, Ali; Guesalaga, Andres; Dunlop, Colin; Todd, Stephen; Dickson, Colin
  • CANARY is the on-sky LGS MOAO demonstrator for the proposed EAGLE E-ELT instrument. The CANARY design is described here for the initial experimental phases. Simulations of system...
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