Mr. Gustavo Rahmer Profile

Gustavo Rahmer

Senior Instrumentation Engineer at GMTO Corporation

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Author

Publications (29)

Proceedings Article | 14 December 2020 Presentation

Adaptive optics all the time at the LBTO

Julian Christou, Christian Veillet, Douglas Miller, Guido Brusa, Alessandaro Cavallaro, Gregory Taylor, Laura Funk, Al Conrad, Gustavo Rahmer, Xianyu Zhang, Shane Walsh, Steve Ertel, Enrico Pinna, Simone Esposito

Proceedings Volume 11448, 1144824 (2020) https://doi.org/10.1117/12.2562443

KEYWORDS: Adaptive optics, Calibration, Mirrors, Wavefront sensors, Image quality, Reliability, Actuators, Wavefronts, Matrices

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Proceedings Article | 13 December 2020 Poster + Paper

Neural network wavefront sensor for the Large Binocular Telescope Observatory

Pedro Escárate, Gustavo Rahmer, Julian Christou

Proceedings Volume 11448, 114484F (2020) https://doi.org/10.1117/12.2562406

KEYWORDS: Observatories, Wavefront sensors, Telescopes, Adaptive optics, Stars, Laser applications, Image quality, Atmospheric optics, Laser systems engineering, Sodium

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Proceedings Article | 18 July 2018 Paper

Vibration environment of the LBTO/AO system

Pedro Escárate, Julian Christou, Gustavo Rahmer, John Hill, Doug Miller, Greg Taylor

Proceedings Volume 10703, 107034F (2018) https://doi.org/10.1117/12.2313882

KEYWORDS: Adaptive optics, Telescopes, Wavefront sensors, Atmospheric propagation, Deformable mirrors, Astronomy, Image quality

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Proceedings Article | 13 July 2018 Presentation + Paper

Adaptive optics systems at the Large Binocular Telescope: status, upgrades, and improvements

Julian Christou, Guido Brusa, Al Conrad, John Hill, Douglas Miller, Gustavo Rahmer, Gregory Taylor, Christian Veillet, Xianyu Zhang

Proceedings Volume 10703, 107030A (2018) https://doi.org/10.1117/12.2312782

KEYWORDS: Adaptive optics, Telescopes, Stars, Interferometry, Cameras, Mirrors, Sensors, Electronic support measures, Actuators, Spectroscopy

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Proceedings Article | 10 July 2018 Paper

Airplanes and satellites: how to keep LGS operations efficient and safe at the Large Binocular Telescope Observatory

Gustavo Rahmer, Michael Lefebvre, Julian Christou

Proceedings Volume 10704, 107042P (2018) https://doi.org/10.1117/12.2314105

KEYWORDS: Telescopes, Satellites, Observatories, Antennas, Space telescopes, Signal detection, Mirrors, Laser safety, Laser beam propagation, Adaptive optics

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Proceedings Article | 27 July 2016 Paper

First on-sky results with ARGOS at LBT

G. Orban de Xivry, S. Rabien, L. Busoni, W. Gaessler, M. Bonaglia, J. Borelli, M. Deysenroth, S. Esposito, H. Gemperlein, M. Kulas, M. Lefebvre, T. Mazzoni, D. Peter, A. Puglisi, W. Raab, G. Rahmer, A. Sivitilli, J. Storm, J. Ziegleder

Proceedings Volume 9909, 990936 (2016) https://doi.org/10.1117/12.2240094

KEYWORDS: Adaptive optics, Telescopes, Astronomical imaging, Point spread functions, Mirrors, Stars, Sensors, Wavefront sensors, Electroluminescent displays, Space telescopes

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Proceedings Article | 27 July 2016 Paper

Adaptive optics operations at the Large Binocular Telescope Observatory

Douglas Miller, Gregory Taylor, Julian Christou, Xianyu Zhang, Guido Brusa Zappellini, Gustavo Rahmer, Michael Lefebvre, Alfio Puglisi, Enrico Pinna, Simone Esposito

Proceedings Volume 9909, 99092G (2016) https://doi.org/10.1117/12.2234324

KEYWORDS: Adaptive optics, Telescopes, Observatories, Stars, Mirrors, Actuators, Monochromatic aberrations, Calibration, Sensors, Active optics

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Proceedings Article | 27 July 2016 Paper

Adaptive optics capabilities at the Large Binocular Telescope Observatory

J. Christou, G. Brusa, A. Conrad, S. Esposito, T. Herbst, P. Hinz, J. Hill, D. Miller, S. Rabien, G. Rahmer, G. Taylor, C. Veillet, X. Zhang

Proceedings Volume 9909, 99092E (2016) https://doi.org/10.1117/12.2231783

KEYWORDS: Adaptive optics, Telescopes, Imaging systems, Mirrors, Stars, Optical benches, Sensors, Interferometry, Cameras, Point spread functions

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Proceedings Article | 26 July 2016 Paper

Engineering aspects of the Large Binocular Telescope Observatory adaptive optics systems

Guido Brusa, Dave Ashby, Julian Christou, Jonathan Kern, Michael Lefebvre, Tom McMahon, Douglas Miller, Gustavo Rahmer, Richard Sosa, Gregory Taylor, Conrad Vogel, Xianyu Zhang

Proceedings Volume 9909, 990903 (2016) https://doi.org/10.1117/12.2234733

KEYWORDS: Adaptive optics, Telescopes, Sensors, Mirrors, Calibration, Control systems, Actuators, Coating, Observatories, Interferometers

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Proceedings Article | 15 July 2016 Paper

Aircraft avoidance for laser propagation at the Large Binocular Telescope Observatory: life under a busy airspace

Gustavo Rahmer, Michael Lefebvre, Julian Christou

Proceedings Volume 9910, 99102G (2016) https://doi.org/10.1117/12.2231909

KEYWORDS: Transmission electron microscopy, Spherical lenses, Visibility, Wave propagation, Interferometry, Antennas, Physics, Sensors, Beam propagation method, Polarization

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Proceedings Article | 6 August 2014 Paper

Early laser operations at the Large Binocular Telescope Observatory

Gustavo Rahmer, Michael Lefebvre, Julian Christou, Walfried Raab, Sebastian Rabien, Julian Ziegleder, José Borelli, Wolfgang Gässler

Proceedings Volume 9149, 91492A (2014) https://doi.org/10.1117/12.2056774

KEYWORDS: Telescopes, Laser safety, Space telescopes, Observatories, Laser systems engineering, Safety, Space operations, Satellites, Mirrors, Visualization

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Proceedings Article | 4 August 2014 Paper

Living with adaptive secondary mirrors 365/7/24

Julian Christou, Guido Brusa , Juan Carlos Guerra , Michael Lefebvre, Douglas Miller, Gustavo Rahmer, Richard Sosa, Michael Wagner

Proceedings Volume 9148, 91480F (2014) https://doi.org/10.1117/12.2056361

KEYWORDS: Actuators, Telescopes, Adaptive optics, Mirrors, Contamination, Digital signal processing, Wavefront sensors, Electronics, Wavefronts, Sensors

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Proceedings Article | 21 July 2014 Paper

Status of the ARGOS project

Sebastian Rabien, Lothar Barl, Udo Beckmann, Marco Bonaglia, José Luis Borelli, Joar Brynnel, Peter Buschkamp, Lorenzo Busoni, Julian Christou, Claus Connot, Richard Davies, Matthias Deysenroth, Simone Esposito, Wolfgang Gässler, Hans Gemperlein, Michael Hart, Martin Kulas, Michael Lefebvre, Michael Lehmitz, Tommaso Mazzoni, Edmund Nussbaum, Gilles Orban de Xivry, Diethard Peter, Andreas Quirrenbach, Walfried Raab, Gustavo Rahmer, Jesper Storm, Julian Ziegleder

Proceedings Volume 9148, 91481B (2014) https://doi.org/10.1117/12.2055932

KEYWORDS: Wavefront sensors, Sensors, Telescopes, Laser guide stars, Mirrors, Adaptive optics, Calibration, Stars, Laser systems engineering, Imaging spectroscopy

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Proceedings Article | 18 July 2014 Paper

Practical experience with test-driven development during commissioning of the multi-star AO system ARGOS

M. Kulas, Jose Luis Borelli, Wolfgang Gässler, Diethard Peter, Sebastian Rabien, Gilles Orban de Xivry, Lorenzo Busoni, Marco Bonaglia, Tommaso Mazzoni, Gustavo Rahmer

Proceedings Volume 9152, 91520D (2014) https://doi.org/10.1117/12.2056218

KEYWORDS: Software engineering, Telescopes, Software development, Computer programming, Adaptive optics, Astronomy, Control systems, Computing systems, Cameras, Space telescopes

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Proceedings Article | 24 September 2012 Paper

A new deep-depletion CCD for the red channel of the Palomar Double Spectrograph

Gustavo Rahmer, Roger Smith, Khanh Bui, Evan Kirby, Richard Dekany, Ernest Croner, Jennifer Milburn

Proceedings Volume 8446, 84462Z (2012) https://doi.org/10.1117/12.926687

KEYWORDS: Charge-coupled devices, Sensors, Spectrographs, Cameras, CCD image sensors, CCD cameras, Electronics, Observatories, Telescopes, Manufacturing

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Proceedings Article | 13 September 2012 Paper

Testing and integrating the laser system of ARGOS: the ground layer adaptive optics for LBT

C. Loose, S. Rabien, L. Barl, J. Borelli, M. Deysenroth, W. Gaessler, H. Gemperlein, M. Honsberg, M. Kulas, R. Lederer, W. Raab, G. Rahmer, J. Ziegleder

Proceedings Volume 8447, 84474I (2012) https://doi.org/10.1117/12.927101

KEYWORDS: Laser systems engineering, Mirrors, Telescopes, Cameras, Head, Adaptive optics, Device simulation, System integration, Pulsed laser operation, Lasers

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Proceedings Article | 20 July 2010 Paper

The Palomar Transient Factory Survey Camera: first year performance and results

N. Law, R. Dekany, G. Rahmer, D. Hale, R. Smith, R. Quimby, E. Ofek, M. Kasliwal, J. Zolkower, V. Velur, J. Henning, K. Bui, D. McKenna, P. Nugent, J. Jacobsen, R. Walters, J. Bloom, J. Surace, C. Grillmair, R. Laher, S. Mattingly, S. Kulkarni

Proceedings Volume 7735, 77353M (2010) https://doi.org/10.1117/12.857400

KEYWORDS: Phase transfer function, Cameras, CCD cameras, Telescopes, Stars, Optical filters, Imaging systems, Observatories, Camera shutters, Image quality

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Proceedings Article | 22 July 2008 Paper

Pixel area variation in CCDs and implications for precision photometry

Roger Smith, Gustavo Rahmer

Proceedings Volume 7021, 70212A (2008) https://doi.org/10.1117/12.789665

KEYWORDS: Charge-coupled devices, Quantum efficiency, Photomasks, Photometry, Spatial frequencies, Calibration, Clocks, Image filtering, Boxcar filters, Optical filters

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Proceedings Article | 22 July 2008 Paper

Calibration of image persistence in HgCdTe photodiodes

Roger Smith, Maximilian Zavodny, Gustavo Rahmer, Marco Bonati

Proceedings Volume 7021, 70210K (2008) https://doi.org/10.1117/12.789619

KEYWORDS: Calibration, Galactic astronomy, Superposition, Mercury cadmium telluride, Photodiodes, Diodes, Signal to noise ratio, Sensors, Signal detection, Point spread functions

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Proceedings Article | 22 July 2008 Paper

A theory for image persistence in HgCdTe photodiodes

Roger Smith, Maximilian Zavodny, Gustavo Rahmer, Marco Bonati

Proceedings Volume 7021, 70210J (2008) https://doi.org/10.1117/12.789372

KEYWORDS: Diodes, Photodiodes, Mercury cadmium telluride, Sensors, Electrons, Photons, Calibration, Signal detection, Nondestructive evaluation, Diffusion

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Proceedings Article | 14 July 2008 Paper

Low-order wavefront sensing in tomographic multi-beacon adaptive optics systems

Viswa Velur, Ralf Flicker, Richard Dekany, Gustavo Rahmer, Roger Smith, Anna Moore

Proceedings Volume 7015, 70154W (2008) https://doi.org/10.1117/12.788019

KEYWORDS: Sensors, Adaptive optics, Wavefront sensors, Stars, Wavefronts, Sensor performance, Cryogenics, Infrared sensors, Prototyping, Signal to noise ratio

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Proceedings Article | 11 July 2008 Paper

The 12Kx8K CCD mosaic camera for the Palomar Transient Factory

Gustavo Rahmer, Roger Smith, Viswa Velur, David Hale, Nicholas Law, Khanh Bui, Hal Petrie, Richard Dekany

Proceedings Volume 7014, 70144Y (2008) https://doi.org/10.1117/12.788086

KEYWORDS: Charge-coupled devices, Cameras, Telescopes, Space telescopes, CCD cameras, Camera shutters, Sensors, Optical filters, Head, Profilometers

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Proceedings Article | 9 July 2008 Paper

The performance of TripleSpec at Palomar

Terry Herter, Charles Henderson, John Wilson, Keith Matthews, Gustavo Rahmer, Marco Bonati, Philip Muirhead, Joseph Adams, James Lloyd, Michael Skrutskie, Dae-Sik Moon, Stephen Parshley, Matthew Nelson, Frantz Martinache, George Gull

Proceedings Volume 7014, 70140X (2008) https://doi.org/10.1117/12.789660

KEYWORDS: Telescopes, Spectrographs, Mirrors, Prisms, Space telescopes, Stars, Sensors, Cameras, Spectral resolution, Observatories

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Proceedings Article | 14 September 2007 Paper

Comparing the low-temperature performance of megapixel NIR InGaAs and HgCdTe imager arrays

S. Seshadri, D. Cole, B. Hancock, P. Ringold, C. Peay, C. Wrigley, M. Bonati, M. Brown, M. Schubnell, G. Rahmer, D. Guzman, D. Figer, G. Tarle, R. Smith, C. Bebek

Proceedings Volume 6690, 669006 (2007) https://doi.org/10.1117/12.734739

KEYWORDS: Indium gallium arsenide, Imaging systems, Sensors, Mercury cadmium telluride, Staring arrays, Quantum efficiency, Near infrared, Imaging arrays, Multiplexers, Data conversion

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Proceedings Article | 20 June 2006 Paper

Noise and zero point drift in 1.7μm cutoff detectors for SNAP

Roger Smith, Christopher Bebek, Marco Bonati, Matthew Brown, David Cole, Gustavo Rahmer, Michael Schubnell, Suresh Seshadri, Gregory Tarle

Proceedings Volume 6276, 62760R (2006) https://doi.org/10.1117/12.672616

KEYWORDS: Sensors, Multiplexers, Video, Interference (communication), Signal to noise ratio, Statistical analysis, Mercury cadmium telluride, Amplifiers, Near infrared, Capacitance

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Proceedings Article | 20 June 2006 Paper

Characterization of NIR InGaAs imager arrays for the JDEM SNAP mission concept

S. Seshadri, D. Cole, B. Hancock, P. Ringold, C. Peay, C. Wrigley, M. Bonati, M. Brown, M. Schubnell, G. Rahmer, D. Guzman, D. Figer, G. Tarle, R. Smith, C. Bebek

Proceedings Volume 6276, 62760S (2006) https://doi.org/10.1117/12.673252

KEYWORDS: Sensors, Indium gallium arsenide, Mercury cadmium telluride, Multiplexers, Quantum efficiency, Imaging systems, Data conversion, Near infrared, Sensor performance, Detector development

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Proceedings Article | 29 September 2004 Paper

Testing strategies for large-array controllers: the MONSOON approach

Mark Hunten, John Garcia, Peter Moore, Gustavo Rahmer, Ricardo Schmidt

Proceedings Volume 5499, (2004) https://doi.org/10.1117/12.550836

KEYWORDS: Sensors, Data acquisition, Data acquisition boards, Sensor performance, Astronomical imaging, Channel projecting optics, Astronomy, Observatories, Signal detection, Testing and analysis

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Proceedings Article | 29 September 2004 Paper

Orthogonal transfer array control solutions using the MONSOON image acquisition system

David Sawyer, Peter Moore, Gustavo Rahmer, Nick Buchholz

Proceedings Volume 5499, (2004) https://doi.org/10.1117/12.554471

KEYWORDS: Stars, Control systems, Charge-coupled devices, Sensors, Clocks, Image acquisition, Video, Multiplexing, Image processing, Analog electronics

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Proceedings Article | 7 March 2003 Paper

Monsoon: image acquisition system or "pixel server"

Barry Starr, Nick Buchholz, Gustavo Rahmer, Gerald Penegor, Ricardo Schmidt, Michael Warner, Michael Merrill, Charles Claver, Y. Ho, K. Chopra, C. Shroff, D. Shroff

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.461478

KEYWORDS: Sensors, Charge-coupled devices, Electronics, Head, Staring arrays, Imaging systems, Image acquisition, Astronomy, Control systems, Data processing

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Showing 5 of 29 publications

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