Academic literature on the topic 'Sodium laser guide star'

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Journal articles on the topic "Sodium laser guide star"

1

Yang, Xuezong, Ondrej Kitzler, David J. Spence, Zhenxu Bai, Yan Feng, and Richard P. Mildren. "Diamond sodium guide star laser." Optics Letters 45, no. 7 (2020): 1898. http://dx.doi.org/10.1364/ol.387879.

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Xu Zuyan, 许祖彦, 薄. 勇. Bo Yong, 彭钦军 Peng Qinjun, et al. "Progress on sodium laser guide star." Infrared and Laser Engineering 45, no. 1 (2016): 0101001. http://dx.doi.org/10.3788/irla201645.0101001.

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Xu Zuyan, 许祖彦, 薄. 勇. Bo Yong, 彭钦军 Peng Qinjun, et al. "Progress on sodium laser guide star." Infrared and Laser Engineering 45, no. 1 (2016): 101001. http://dx.doi.org/10.3788/m0001820164501.101001.

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Avicola, K., J. M. Brase, J. R. Morris, et al. "Sodium-layer laser-guide-star experimental results." Journal of the Optical Society of America A 11, no. 2 (1994): 825. http://dx.doi.org/10.1364/josaa.11.000825.

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Zhang, Lei, Huawei Jiang, Shuzhen Cui, Jinmeng Hu, and Yan Feng. "Versatile Raman fiber laser for sodium laser guide star." Laser & Photonics Reviews 8, no. 6 (2014): 889–95. http://dx.doi.org/10.1002/lpor.201400055.

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Yang, Xuezong, Lei Zhang, Shuzhen Cui, Tingwei Fan, Jinyan Dong, and Yan Feng. "Sodium guide star laser pulsed at Larmor frequency." Optics Letters 42, no. 21 (2017): 4351. http://dx.doi.org/10.1364/ol.42.004351.

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Holzlöhner, R., S. M. Rochester, D. Bonaccini Calia, D. Budker, J. M. Higbie, and W. Hackenberg. "Optimization of cw sodium laser guide star efficiency." Astronomy and Astrophysics 510 (February 2010): A20. http://dx.doi.org/10.1051/0004-6361/200913108.

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Pique, Jean-Paul, and Sébastien Farinotti. "Efficient modeless laser for a mesospheric sodium laser guide star." Journal of the Optical Society of America B 20, no. 10 (2003): 2093. http://dx.doi.org/10.1364/josab.20.002093.

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Lu Yanhua, 鲁燕华, 刘东 Liu Dong, 张雷 Zhang Lei, 马毅 Ma Yi, 唐淳 Tang Chun, and 王卫民 Wang Weimin. "All-Solid-State Narrow Linewidth Sodium Guide Star Laser." Chinese Journal of Lasers 36, no. 7 (2009): 1848–51. http://dx.doi.org/10.3788/cjl20093607.1848.

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Yang, Xuezong, Lei Zhang, Shuzhen Cui, Tingwei Fan, Jinyan Dong, and Yan Feng. "Sodium guide star laser pulsed at Larmor frequency: erratum." Optics Letters 42, no. 24 (2017): 5149. http://dx.doi.org/10.1364/ol.42.005149.

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Dissertations / Theses on the topic "Sodium laser guide star"

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Jacobsen, Bruce Paul 1964. "Sodium laser guide star projection for adaptive optics." Diss., The University of Arizona, 1997. http://hdl.handle.net/10150/288754.

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In order to increase sky coverage, adaptive optics (AO) systems for large telescopes will require laser systems to provide artificial reference beacons. The most prominent method for creating an artificial beacon is to project laser light tuned to the 589nm, D2 line of sodium onto the mesospheric sodium atoms at an altitude of 90km. When correcting with AO, the best wavefront measurements are obtained when the image of the sodium beacon is as bright and sharp as possible. Blurring occurs due to spot elongation, as a result of sub-aperture displacement from the projector axis, and from diffract
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Hart, Michael, Stuart Jefferies, and Neil Murphy. "Daylight operation of a sodium laser guide star." SPIE-INT SOC OPTICAL ENGINEERING, 2016. http://hdl.handle.net/10150/622016.

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We report photometric measurements of a sodium resonance guide star against the daylight sky when observed through a tuned magneto-optical filter (MOF). The MOF comprises a sodium vapor cell in a kilogauss-level magnetic field between crossed polarizers and has a very narrow transmission profile at the sodium D-2 resonance of approximately 0.008 nm. Our observations were made with the 1.5 m Kuiper telescope on Mt. Bigelow, AZ, which has a separately mounted guide star laser projecting a circularly polarized single-frequency beam of approximately 6.5 W at 589.16 nm. Both the beam projector and
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Ge, Jian 1966. "Sodium laser guide star technique, spectroscopy and imaging with adaptive optics." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282740.

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A sodium laser guide star (LGS) adaptive optics (AO) system developed at Stewart Observatory is to be used at the 6.5m MMT. Annual measurements at Kitt Peak show that the mean mesospheric sodium column density varies from ∼2x10⁹cm⁻² (summer) to ∼5x10⁹cm⁻² (winter). The sodium column density also varies by a factor of two during a one hour period. The first simultaneous measurements of sodium LGS brightness, sodium column density and laser power were obtained. The absolute sodium return for a continuous wave circularly polarized beam is 1.2(±0.3)x10⁶ photons s⁻¹m⁻²W⁻¹ for the sodium column dens
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Moldovan, Ioana Cristina. "Étude photométrique de l’atome de sodium : application aux étoiles lasers (LGS ET PLGS)." Grenoble 1, 2008. http://www.theses.fr/2008GRE10060.

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Pour corriger la dégradation des images astronomiques due aux turbulences atmosphériques, les astronomes ont proposé de créer une étoile laser dans la haute atmosphère. Cette thèse a pour objectif l'étude théorique et expérimentale au laboratoire des différents processus d'excitation du sodium mésosphérique pour obtenir une source monochromatique et polychromatique, afin d'estimer avec précision le flux retourné d'une expérience sur le ciel. Les deux premières parties sont consacrées au contexte scientifique à l'interface entre la physique et l'astronomie, et à la description de diverses propr
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Hart, Michael, Stuart M. Jefferies, and Neil Murphy. "Daylight operation of a sodium laser guide star for adaptive optics wavefront sensing." SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 2016. http://hdl.handle.net/10150/624361.

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We report contrast measurements of a sodium resonance guide star against the daylight sky when observed through a tuned magneto-optical filter (MOF). The guide star was created by projection of a laser beam at 589.16 nm into the mesospheric sodium layer and the observations were made with a collocated 1.5-m telescope. While MOFs are used with sodium light detecting and ranging systems during the day to improve the signalto- noise ratio of the measurements, they have not so far been employed with laser guide stars to drive adaptive optics (AO) systems to correct atmospherically induced image bl
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Sereni, Giulia. "Optical design of MAORY Laser Guide Star Objective." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14069/.

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The turbulence affects the angular resolution of images. Single Conjugate Adaptive optics, SCAO, is the simplest way to correct the atmospheric turbulence using a Natural Guide Star, but it has some limitations such as the anisoplanatism. Multi Conjugate Adaptive Optics is a technique which overcomes this issue by using as many NGSs, as Wavefront Sensors. In order to increase the sky coverage, Laser Guide Stars, LGSs, are also used. One of the first light instrument of the 40 meter European Extremely Large Telescope is MICADO, or the Multi-Adaptive Optics Imaging Camera for Deep Observations.
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Reeves, Andrew Paul. "Laser Guide Star only adaptive optics : the development of tools and algorithms for the determination of Laser Guide Star tip-tilt." Thesis, Durham University, 2015. http://etheses.dur.ac.uk/11199/.

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Adaptive Optics (AO) is a technology which corrects for the effects of the atmosphere and so improves the optical quality of ground based astronomical observations. The bright “guide stars” required for correction are not available across the entire sky, so Laser Guide Stars (LGSs) are created. A Natural Guide Star (NGS) is still required to correct for tip-tilt as the LGS encounters turbulence on the uplink path resulting in unpredictable “jitter”, hence limiting corrected sky coverage. In this thesis an original method is proposed and investigated that promises to improve the correction perf
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Czarske, J., H. Radner, and L. Büttner. "Adaptive interferometric velocity measurements using a laser guide star." SPIE, 2015. https://tud.qucosa.de/id/qucosa%3A35038.

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We have harnessed the power of programmable photonics devices for an interferometric measurement technique. Laser interferometers are widely used for flow velocity measurements, since they offer high temporal and spatial resolutions. However, often optical wavefront distortions deteriorate the measurement properties. In principle, adaptive optics enables the correction of these disturbances. One challenge is to generate a suitable reference signal for the closed loop operation of the adaptive optics. An adaptive Mach Zehnder interferometer is presented to measure through a dynamic liquid-gas p
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Figlewski, Nathan Michael. "Laser Guide Star Design Project for the USAF John Bryan State Park Quad Axis Observatory." Wright State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=wright1453240229.

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Stalcup, Thomas Eugene. "Design and Construction of a Multiple Beam Laser Projector and Dynamically Refocused Wavefront Sensor." Diss., The University of Arizona, 2006. http://hdl.handle.net/10150/194836.

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Adaptive optics using natural guide stars can produce images of amazing quality, but is limited to a small fraction of the sky due to the need for a relatively bright guidestar. Adaptive optics systems using a laser generated artifical reference can be used over a majority of the sky, but these systems have some attendant problems. These problems can be reduced by increasing the altitude of the laser return, and indeed a simple, single laser source focused at an altitude of 95 km on a layer of atmospheric sodium performs well for the current generation of 8-10 m telescopes. For future giant
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Books on the topic "Sodium laser guide star"

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Ageorges, N. Laser Guide Star Adaptive Optics for Astronomy. Springer Netherlands, 2000.

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Ageorges, N., and C. Dainty, eds. Laser Guide Star Adaptive Optics for Astronomy. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9624-4.

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Mitsubishi & Diamond Star performance tuning: A hands-on guide for building the ultimate high-performance Mitsubishi Eclipse, Eagle Talon or Plymouth Laser : all makes and models, 1990-1999. HPBOOKS, 2007.

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The adaptive optics revolution: A history. University of New Mexico Press, 2009.

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N, Ageorges, Dainty J. C, North Atlantic Treaty Organization. Scientific Affairs Division., and NATO Advanced Study Institute on Laser Guide Star Adaptive Optics for Astronomy (1997 : Cargèse, France), eds. Laser guide star adaptive optics for astronomy. Kluwer Academic Publishers, 2000.

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Ageorges, N., and C. Dainty. Laser Guide Star Adaptive Optics for Astronomy. Springer, 2014.

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(Editor), N. Ageorges, and C. Dainty (Editor), eds. Laser Guide Star Adaptive Optics for Astronomy (NATO Science Series C:). Springer, 2000.

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Buglewicz, Keith. Mitsubishi & Diamond Star Performance TuningHP1496: A Hands-On Guide for Building the Ultimate High-Performance Mitsubishi Eclipse,Eagle Talon or Plymouth Laser, 1990-1999 Models. HP Trade, 2007.

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Book chapters on the topic "Sodium laser guide star"

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Friedman, H. W. "Sodium-Layer Laser Guide Stars." In Adaptive Optics for Astronomy. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-015-8265-0_11.

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Kibblewhite, E. J. "The Physics of the Sodium Atom." In Laser Guide Star Adaptive Optics for Astronomy. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9624-4_3.

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Kibblewhite, Edward. "The Design and Performance of Laser Systems for Generating Sodium Beacons." In Laser Guide Star Adaptive Optics for Astronomy. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9624-4_4.

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Max, C. E. "Laser Guide Star Operational Issues." In Laser Guide Star Adaptive Optics for Astronomy. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9624-4_5.

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Rodríguez-González, J. M., J. J. Fuensalida, and J. M. Rodríguez-Ramos. "Laser Guide Star for Segmented Telescopes." In Highlights of Spanish Astrophysics II. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-017-1776-2_73.

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Ragazzoni, Roberto. "Laser Guide Star Advanced Concepts: Tilt Problem." In Laser Guide Star Adaptive Optics for Astronomy. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9624-4_7.

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Olivier, S. S., and C. E. Max. "Laser Guide Star Adaptive Optics: Present and Future." In Very High Angular Resolution Imaging. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0880-5_48.

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Urzay, S. Chueca, J. J. Fuensalida, M. Reyes, A. García Marín, and J. M. Rodríguez González. "Laser Guide Star at the Canary Islands Observatories." In Highlights of Spanish Astrophysics II. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-017-1776-2_74.

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Dainty, J. C. "Optical Effects of Atmospheric Turbulence." In Laser Guide Star Adaptive Optics for Astronomy. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9624-4_1.

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Ridgway, Stephen T. "Ground Based Astronomy with Adaptive Optics." In Laser Guide Star Adaptive Optics for Astronomy. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9624-4_10.

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Conference papers on the topic "Sodium laser guide star"

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Yang, Xuezong, Ondrej Kitzler, David J. Spence, Zhenxu Bai, Yan Feng, and Richard P. Mildren. "Diamond Sodium Guide Star Laser." In Conference on Lasers and Electro-Optics/Pacific Rim. OSA, 2020. http://dx.doi.org/10.1364/cleopr.2020.c7a_1.

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Quirrenbach, Andreas, Wolfgang K. P. Hackenberg, Hans-Christoph Holstenberg, and Norbert Wilnhammer. "Sodium laser guide star system of ALFA." In Optical Science, Engineering and Instrumentation '97, edited by Robert K. Tyson and Robert Q. Fugate. SPIE, 1997. http://dx.doi.org/10.1117/12.279051.

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Murray, James T., W. Thomas Roberts, Jr., William L. Austin, Richard C. Powell, and Domenico Bonaccini. "Fiber Raman laser for sodium guide star." In Astronomical Telescopes & Instrumentation, edited by Domenico Bonaccini and Robert K. Tyson. SPIE, 1998. http://dx.doi.org/10.1117/12.321725.

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Chueca, Sergio, Jesus J. Fuensalida, Angel Alonso, and Marcos Reyes. "Mesospheric sodium monitoring for laser guide star." In Remote Sensing, edited by John D. Gonglewski and Karin Stein. SPIE, 2004. http://dx.doi.org/10.1117/12.565698.

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Hart, Michael, Stuart Jefferies, and Neil Murphy. "Daylight operation of a sodium laser guide star." In SPIE Astronomical Telescopes + Instrumentation, edited by Enrico Marchetti, Laird M. Close, and Jean-Pierre Véran. SPIE, 2016. http://dx.doi.org/10.1117/12.2235080.

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Bellanger, Veronique, and Alain D. Petit. "Laser-sodium interaction for the polychromatic laser guide star project." In International Symposium on Remote Sensing, edited by Anton Kohnle, John D. Gonglewski, and Thomas J. Schmugge. SPIE, 2002. http://dx.doi.org/10.1117/12.454412.

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Shirakawa, Akira. "Photonic Bandgap Fiber Laser for Sodium Guide Star Applications." In Frontiers in Optics. OSA, 2014. http://dx.doi.org/10.1364/fio.2014.fw5d.3.

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Pedreros Bustos, Felipe, Alexander Akulshin, Ronald Holzlöhner, Simon Rochester, and Dmitry Budker. "Studies towards a directional polychromatic sodium laser guide star." In Adaptive Optics Systems VI, edited by Dirk Schmidt, Laura Schreiber, and Laird M. Close. SPIE, 2018. http://dx.doi.org/10.1117/12.2313757.

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Wang, Feng, Wei Zhang, Tianjiang Chen, Wenchao Zhou, and Hong Yan. "Analysis of perspective elongation for sodium laser guide star." In SPIE Remote Sensing, edited by Karin U. Stein and John D. Gonglewski. SPIE, 2015. http://dx.doi.org/10.1117/12.2194862.

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Roberts, Jr., W. Thomas, James T. Murray, William L. Austin, Richard C. Powell, and James Roger P. Angel. "Solid state Raman laser for MMT sodium guide star." In Astronomical Telescopes & Instrumentation, edited by Domenico Bonaccini and Robert K. Tyson. SPIE, 1998. http://dx.doi.org/10.1117/12.321626.

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Reports on the topic "Sodium laser guide star"

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Powell, Richard C. DURIP-97 Sodium Guide Star Raman Laser. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada378796.

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Max, C. E. ,. LLNL. Image improvement from a sodium-layer laser guide star adaptive optics system. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/305943.

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Hogan, Geoff, and C. E. Webb. A CW Laser Master Oscillator for a Scaleable Sodium Guide Star. General Issues. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada326345.

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Olivier, S. S., C. E. Max, H. W. Friedman, et al. First significant image improvement from a sodium-layer laser guide star adaptive optics system at Lick Observatory. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/576003.

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Shtyrkova, Katia, Michael D. Oliker, Kevin P. Vitayaudom, et al. Experimental Demonstration of Real Time Gradient Gain Correction for Sodium Beacon Laser Guide Star: Postprint. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada531341.

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Dekany, Richard G., and Antonin H. Bouchez. High Resolution Imaging Testbed Utilizing Sodium Laser Guide Star Adaptive Optics: The Real Time Wavefront Reconstructor Computer. Defense Technical Information Center, 2008. http://dx.doi.org/10.21236/ada523385.

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Pennington, D., R. Beach, C. Ebbers, et al. Laser Research and Development Studies for Laser Guide Star Systems. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/793459.

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Max, C., D. Gavel, H. Friedman, et al. Laser Guide Star Based Astrophysics at Lick Observatory. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/793551.

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Olivier, S. S., J. An, and K. Avicola. Performance of laser guide star adaptive optics at Lick Observatory. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/114020.

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