Jose Javier Valenzuela
Instrumentation Engineer - Paranal Observatory at European Southern Observatory
SPIE Involvement:
Author
Area of Expertise:
Adaptive Optics , CCD/IR Detectors , FPGA/DSP programming , Power Electronics
Publications (16)

Proceedings Article | 25 July 2024 Presentation + Paper
M. Boccas, G. Blanchard, P. Campana, V. Cea, A. Doberti, I. Ferreira, J. P. Gil, S. Gonzalez, I. Kastinen, M. Ortega, F. Salgado, M. Tapia, J. Valenzuela
Proceedings Volume 13098, 1309804 (2024) https://doi.org/10.1117/12.3019424
KEYWORDS: Equipment, Telescopes, Reliability, Observatories, Failure analysis, Statistical analysis, Astronomical instrumentation, Process engineering, Efficient operations

Proceedings Article | 18 July 2024 Poster + Paper
Patricia Guajardo, Javier Valenzuela, Maxime Boccas, Eduardo Garces, Chester Rojas, Roberto Castillo, Jose Luis Alvarez, Alvaro Diaz, Laurent Pallanca, Juan Beltran, Sergio Abadie, Nicolas Haddad, Marcos Ortega, Alex Morales, Rodrigo Badinez
Proceedings Volume 13096, 130967F (2024) https://doi.org/10.1117/12.3019916
KEYWORDS: Equipment, Observatories, Telescopes, Adaptive optics, Contamination, Sensors, Inspection, Head, Windows, Large telescopes

Proceedings Article | 15 September 2022 Poster + Paper
Proceedings Volume 12185, 121856B (2022) https://doi.org/10.1117/12.2629436
KEYWORDS: Actuators, Optical spheres, Coronagraphy, Point spread functions, Deformable mirrors, Observatories, Machine learning, Data acquisition, Adaptive optics, Wavefront sensors

Proceedings Article | 29 August 2022 Paper
Paul Bristow, Andrea Baruffolo, Jonathan Smoker, Florian Rodler, Reinhold Dorn, Claudio Cumani, Derek Ives, Yves Jung, Thomas Marquart, Christophe Moins, Mark Neeser, Ernesto Oliva, Jérôme Paufique, Nikolai Piskunov, Ricardo Schmutzer, Ulf Seemann, Ditte Slumstrup, Jose Javier Valenzuela
Proceedings Volume 12184, 121845X (2022) https://doi.org/10.1117/12.2630207
KEYWORDS: Metrology, Sensors, Calibration, Lamps, Observatories, Staring arrays, Optical alignment, Fabry–Perot interferometers, Spectrographs

Proceedings Article | 29 August 2022 Presentation + Paper
Reinhold Dorn, Paul Bristow, Jonathan Smoker, Florian Rodler, Matteo Accardo, Andrea Baruffolo, Claudio Cumani, Andreas Haimerl, Artie Hatzes, Marcus Haug, Ulrike Heiter, Renate Hinterschuster, Norbert Hubin, Derek Ives, Matias Jones, Yves Jung, Jean-Paul Kirchbauer, Barbara Klein, Jana Köhler, Heidi Korhonen, Alexis Lavail, Thomas Marquart, Christophe Moins, Ignacio Molina-Conde, Ernesto Oliva, Laurent Pallanca, Luca Pasquini, Jerome Paufique, Nikolai Piskunov, Ansgar Reiners, Dominik Schneller, Ricardo Schmutzer, Ulf Seemann, Ditte Slumstrup, Alain Smette, Jörg Stegmeier, Eric Stempels, Sebastien Tordo, Elena Valenti, Jose Javier Valenzuela, Joel Vernet
Proceedings Volume 12184, 121841F (2022) https://doi.org/10.1117/12.2629969
KEYWORDS: Sensors, Calibration, Adaptive optics, Stars, Spectral resolution, Spectrographs, Mirrors, K band, Infrared radiation, Polarization

Proceedings Article | 10 July 2018 Presentation + Paper
Proceedings Volume 10703, 107032D (2018) https://doi.org/10.1117/12.2313246
KEYWORDS: Turbulence, Adaptive optics, Telescopes, Stars, Atmospheric optics, Real-time computing, Calibration, Tomography, Profiling, Error analysis

Proceedings Article | 10 July 2018 Presentation + Paper
M. Boccas, E. Diaz, M. Frantz, S. Gonzalez, G. Hüdepohl, I. Kastinen, V. Nurzia, P. Pozzobon, C. Ramirez, C. Reinero, F. Salgado, C. Stephan, J. Valenzuela
Proceedings Volume 10704, 107041Y (2018) https://doi.org/10.1117/12.2311769
KEYWORDS: Telescopes, Observatories, Failure analysis, Inspection, Reliability, Efficient operations

Proceedings Article | 4 August 2016 Paper
Proceedings Volume 9909, 990937 (2016) https://doi.org/10.1117/12.2233802
KEYWORDS: Adaptive optics, Atmospheric optics, Wavefront sensors, Turbulence, Atmospheric monitoring, Optical spheres, Observatories, Environmental sensing, Wind measurement, Meteorology

Proceedings Article | 3 August 2016 Paper
Pascale Hibon, Jerome Paufique, Harald Kuntschner, Danuta Dobrzycka, Miska Le Louarn, Elena Valenti, Mark Neeser, Emanuela Pompei, Robin Arsenault, Ralf Siebenmorgen, Pierre-Yves Madec, Monika Petr-Gotzens, Carlos La Fuente, Josefina Urrutia, Javier Valenzuela, Roberto Castillo, Pedro Baksai, Cesar Enrique Garcia Dabo, Andreas Jost, Javier Argomedo, Johann Kolb, Mario Kiekebusch, Norbert Hubin, Philippe Duhoux, Ralf Dieter Conzelmann, Robert Donaldson, Sebastien Tordo, Stefan Huber
Proceedings Volume 9908, 99080F (2016) https://doi.org/10.1117/12.2231305
KEYWORDS: Adaptive optics, Imaging systems, K band, Adaptive optics, Stars, Sensors, Galactic astronomy, Point spread functions, Telescopes, Calibration, Spatial resolution

Proceedings Article | 27 July 2016 Paper
Jérôme Paufique, Pierre-Yves Madec, Johann Kolb, Harald Kuntschner, Javier Argomedo, Mario Kiekebusch, Robert Donaldson, Robin Arsenault, Ralf Siebenmorgen, Christian Soenke, Sebastien Tordo, Ralf Conzelmann, Andreas Jost, Javier Reyes-Moreno, Mark Downing, Pascale Hibon, Jose Javier Valenzuela, Pierre Haguenauer
Proceedings Volume 9909, 99092H (2016) https://doi.org/10.1117/12.2232826
KEYWORDS: Adaptive optics, Imaging systems, Observatories, Stars, Sensors, Telescopes, Mirrors, Cameras, Real-time computing, Relays

Proceedings Article | 27 July 2016 Paper
Proceedings Volume 9909, 99092S (2016) https://doi.org/10.1117/12.2232788
KEYWORDS: Deformable mirrors, Mirrors, Adaptive optics, Telescopes, Stars, Turbulence, Laser guide stars, Infrared radiation, Wavefront sensors, Infrared imaging

Proceedings Article | 11 July 2016 Paper
Proceedings Volume 9910, 991021 (2016) https://doi.org/10.1117/12.2233331
KEYWORDS: Observatories, Calibration, Iterated function systems, Optical spheres, Sensors, Optical filtering, Stars, Polarimetry, Control systems, K band

Proceedings Article | 21 July 2014 Paper
Proceedings Volume 9148, 91481X (2014) https://doi.org/10.1117/12.2054740
KEYWORDS: Adaptive optics, Turbulence, Wavefront sensors, Stars, Error analysis, Telescopes, Photons, Deconvolution, Statistical analysis, Gemini Observatory

Proceedings Article | 24 September 2012 Paper
Peter Hammersley, Hans Dekker, Fernando Selman, Paul Bristow, Pierre Bourget, Roland Brast, Roberto Castillo, Mark Downing, Cesar Garcia-Dabo, Nicholas Haddad, Michael Hilker, Carlo Izzo, Jean-Louis Lizon, Christian Lucuix, Vincenzo Mainieri, Steffen Mieske, Dan Popovic, Claudio Reinero, Marina Rejkuba, Chester Rojas, Ruben Sanchez-Janssen, Alain Smette, Josefina Urrutia Del Rio, Javier Valenzuela, Burkhard Wolff
Proceedings Volume 8446, 84465M (2012) https://doi.org/10.1117/12.925132
KEYWORDS: Sensors, Camera shutters, Molybdenum, Calibration, Spectroscopy, Spectroscopes, Charge-coupled devices, Imaging spectroscopy, Quantum efficiency, Visible radiation

Proceedings Article | 21 July 2010 Paper
Gordon Gillet, José Luis Alvarez, Juan Beltrán, Pierre Bourget, Roberto Castillo, Álvaro Diaz, Nicolás Haddad, Alfredo Leiva, Pedro Mardones, Jared O'Neal, Mauricio Ribes, Miguel Riquelme, Pascal Robert, Chester Rojas, Javier Valenzuela
Proceedings Volume 7735, 77355U (2010) https://doi.org/10.1117/12.856218
KEYWORDS: Observatories, Telescopes, Instrumentation engineering, Cameras, Cryogenics, Large telescopes, Interferometers, Optical spheres, Control systems, Sensors

Proceedings Article | 28 June 2006 Paper
F. Vitali, J. L. Lizon, G. Ihle, M. Accardo, L. Gonzales, P. Sinclaire, J. Pineda, A. Pizarro, J. Valenzuela, P. Conconi, F. D'Alessio, V. De Caprio, M. Riva, E. Molinari, G. Chincarini, F. Zerbi, M. Rodonò, S. Covino, V. Testa, G. Tosti, L. Antonelli, G. Malaspina, E. Palazzi
Proceedings Volume 6269, 626954 (2006) https://doi.org/10.1117/12.671197
KEYWORDS: Cryogenics, Cameras, Telescopes, Cryocoolers, Observatories, Copper, Nitrogen, Imaging systems, Control systems, Near infrared

Showing 5 of 16 publications
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