Dr. Ulf Seemann Profile

Dr. Ulf Seemann

Systems Engineer at European Southern Observatory

Publications (27)

Proceedings Article | 30 August 2022 Presentation + Paper

Presentation + Paper

Connecting SPHERE and CRIRES+ for the characterisation of young exoplanets at high spectral resolution: status update of VLT/HiRISE

A. Vigan, M. Lopez, E. Muslimov, A. Viret, M. El Morsy, A. Costille, G. Zins, G. P. P. Otten, G. Murray, U. Seemann, K. Dohlen, H. Anwand-Heerwart, M. Kasper, P. Blanchard, J. Garcia, Y. Charles, N. Tchoubaklian, T. Ely, M. Phillips, J. Paufique, J.-L. Beuzit, M. Houllé, J. Costes, R. Pourcelot, I. Baraffe, R. Dorn, M. Jaquet, A. Reiners, A. Smette, L. Blanco, L. Pallanca, A. Carlotti, É. Choquet, D. Mouillet, M. N'Diaye

Proceedings Volume 12185, 121850S (2022) https://doi.org/10.1117/12.2629208

KEYWORDS: Optical spheres, Calibration, Finite element methods, Fiber science, Telescopes, Exoplanets, Optics manufacturing, Spectrographs, Spectral resolution, Planets

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Proceedings Article | 29 August 2022 Paper

Paper

CRIRES+: characterisation and preparation during the pandemic

Derek Ives, Paul Bristow, Andrea Baruffolo, Claudio Cumani, Christophe Moins, Reinhold Dorn, Yves Jung, Thomas Marquart, Nikolai Piskunov, Florian Rodler, Ricardo Schmutzer, Ulf Seemann, Jonathan Smoker, Jose Javier Valenzuela, Jérôme Paufique, Ditte Slumstrup, Ernesto Oliva, Mark Neeser

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

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

CRIRES+ on sky: high spectral resolution at infrared wavelength enabling better science at the ESO VLT

Barbara Klein, Paul Bristow, Claudio Cumani, Christophe Moins, Derek Ives, Dominik Schneller, Ignacio Molina-Conde, Jerome Paufique, Jean-Paul Kirchbauer, Jörg Stegmeier, Joel Vernet, Matteo Accardo, Marcus Haug, Renate Hinterschuster, Sebastien Tordo, Ulf Seemann, Yves Jung, Nikolai Piskunov, Ernesto Oliva, Thomas Marquart, Eric Stempels, Ansgar Reiners, Andrea Baruffolo, Ulrike Heiter, Alexis Lavail, Artie Hatzes, Jose Javier Valenzuela, Ricardo Schmutzer, Jonathan Smoker, Alain Smette, Laurent Pallanca, Luca Pasquini, Norbert Hubin, Elena Valenti, Ditte Slumstrup, Matias Jones, Heidi Korhonen, Jana Köhler, Florian Rodler, Reinhold Dorn, Andreas Haimerl

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

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Proceedings Article | 29 August 2022 Poster + Paper

Poster + Paper

The absorbing cells for the NIR spectrograph GIANO-B@TNG

R. Claudi, A. Ghedina, M. Aliverti, S. Stefani, A. Tozzi, I. Carleo, V. D'Orazi, A. Lanza, G. Micela, E. Pace, G. Piccioni, M. Rainer, U. Seeman, J. Liù, L. Cabona

Proceedings Volume 12184, 121844W (2022) https://doi.org/10.1117/12.2630124

KEYWORDS: Stars, Spectrographs, Near infrared, Sun, Optical fibers, Telescopes, Planets, Calibration, Observatories, Absorption

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Proceedings Article | 29 August 2022 Poster

Poster

The CRIRES+ calibration system and infrared Fabry-Perot Etalon

Ulf Seemann

Proceedings Volume 12184, 121845W (2022) https://doi.org/10.1117/12.2630183

KEYWORDS: Fabry–Perot interferometers, Calibration, Infrared radiation, Infrared imaging, Velocimetry, Spectrographs, Spectral calibration, Frequency combs

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Proceedings Article | 18 December 2020 Presentation + Paper

Presentation + Paper

A status report on the instruments for ESO’s Extremely Large Telescope

Suzanne Ramsay, Michele Cirasuolo, Roberto Tamai, Naidu Bezawada, Patrick Caillier, Reinhold Dorn, Elizabeth George, Frederic Gonte, Peter Hammersley, Christoph Haupt, Derek Ives, Gerd Jakob, Florian Kerber, Sylvain Oberti, Ralf Siebenmorgen, Joël Vernet, Bertrand Koehler, Fabio Biancat Marchet, Ralf Conzelmann, Christoph Frank, Juan Carlos González Herrera, Christian Schmid, Ulf Seemann, Paola Amico, Sebastian Egner, Johannes Schimpelsberger

Proceedings Volume 11447, 114471U (2020) https://doi.org/10.1117/12.2562555

KEYWORDS: Large telescopes, Spectrographs, Adaptive optics, Imaging systems, Cameras, Mid-IR, Tomography, Astronomical imaging

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Proceedings Article | 12 July 2018 Paper

Paper

ELT -HIRES the High Resolution Spectrograph for the ELT: Fabry-Pérots for use as calibration sources

Philipp Huke, Sebastian Schäfer, Ansgar Reiners, Marco Riva, Francesco Pepe, Piotr Masłowski, Grzegorz Kowzan, Ulf Seemann, Richard McCracken, Derryck Reid, Bruno Chazelas

Proceedings Volume 10702, 107029L (2018) https://doi.org/10.1117/12.2313394

KEYWORDS: Calibration, Spectrographs, Fourier transforms, Spectroscopy, Precision calibration, Spectral calibration

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Proceedings Article | 11 July 2018 Paper

Paper

The MICADO first light imager for the ELT: preliminary design of the MICADO Calibration Assembly

G. Rodeghiero, J.-U. Pott, R.-R. Rohloff, N. Münch, U. Grözinger, E. Biancalani, J. Moreno-Ventas, S. Schäfer, V. Naranjo, C. Pernechele, U. Seemann, M. Häberle, S. Barboza, P. Bizenberger, M. Sawczuck, M. Ebert, F. Müller, L. Mohr, J. Ramos, M. C. Cárdenas Vázquez, R. Hofferbert, M. Fabricius

Proceedings Volume 10702, 107028U (2018) https://doi.org/10.1117/12.2311721

KEYWORDS: Calibration, Lamps, Prototyping, Manufacturing, Light sources, Sensors, Mirrors, Imaging spectroscopy, Adaptive optics, Telescopes

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Proceedings Article | 10 July 2018 Paper

Paper

GIANO-B online data reduction software at the TNG

Avet Harutyunyan, Monica Rainer, Nauzet Hernandez, Ernesto Oliva, Jose Guerra, Marcello Lodi, Jose San Juan, Andrea Bignamini, Adriano Ghedina, Francesca Ghinassi, Emilio Molinari, Serena Benatti, Ilaria Carleo, Riccardo Claudi, Giuseppina Micela, Andrea Tozzi, Carlo Baffa, Andrea Baruffolo, Valdemaro Biliotti, Nicolas Buchschacher, Massimo Cecconi, Rosario Cosentino, Gilberto Falcini, Daniela Fantinel, Luca Fini, Alberto Galli, Elisabetta Giani, Carlos Gonzalez, Esther Gonzalez-Alvarez, Manuel Gonzalez, Raffaele Gratton, Marcos Hernandez Diaz, Marcella Iuzzolino, Luca Malavolta, Jesus Maldonado, Livia Origlia, Ennio Poretti, Hector Perez Ventura, Alfio Puglisi, Carlos Riverol, Luis Riverol, Nicoletta Sanna, Salvatore Scuderi, Ulf Seeman, Alessandro Sozzetti, Mauro Sozzi

Proceedings Volume 10706, 1070642 (2018) https://doi.org/10.1117/12.2312690

KEYWORDS: Data archive systems, Databases, Data processing, Near infrared

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Proceedings Article | 9 July 2018 Presentation

Presentation

CRIRES+ on its way to VLT (Conference Presentation)

Roman Follert, Reinhold Dorn, Anna Brucalassi, Paul Bristow, Artie Hatzes, Ulf Seemann, Nikolai Piskunov, Ernesto Oliva, Thomas Marquart, Ulrike Heiter, Eric Stempels, Alexis Lavail, Jean Louis Lizon, Marcus Haug, Ignacio Molina-Conde, Siegfried Eschbaumer, Claudio Cumani, Christophe Moins, Derek Ives, Barbara Klein, Sebastien Tordo, Andreas Haimerl, Jörg Stegmeier, Jean-Paul Kirchbauer, Luca Pasquini, Ansgar Reiners, Heiko Anwand-Heerwart, Katja Hauptner, Tim Umlauf, Peter Jeep, Petra Rhode, Christoph Schmidt, Christopher Marvin, Renate Hinterschuster, Yves Jung, Jérôme Paufique, Elena Valenti

Proceedings Volume 10702, 107020E (2018) https://doi.org/10.1117/12.2314150

KEYWORDS: Adaptive optics, Space telescopes, Observatories, Spectral resolution, Telescopes, Large telescopes, Space operations, Staring arrays, Sensors, Calibration

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Proceedings Article | 9 July 2018 Paper

Paper

Very accurate cryogenic mechanisms for CRIRES+

Jean Louis Lizon, Barbara Klein, Ignacio Molina-Conde, Reinhold Dorn, Ulf Seemann, Ernesto Oliva, Artie Hatzes, Roman Follert, Ansgar Reiners, Nikolai Pistunov, Thomas Marquart, Ulrike Heiter, Eric Stempels, Paul Bristow, Derek Ives, Yves Jung, Jerome Paufique, Elena Valenti, Luca Pasquini, Guillem Anglada Escude, Matt Lockhart, Livia Origlia, Alain Smette, Jonathan Smoker

Proceedings Volume 10701, 107012R (2018) https://doi.org/10.1117/12.2314483

KEYWORDS: Actuators, Cryogenics, Switches, Manufacturing, Mirrors, Cryogenic mechanisms, Sensors, Spectrographs, Connectors, Transducers

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Proceedings Article | 6 July 2018 Paper

Paper

Full system test and early preliminary acceptance Europe results for CRIRES+

Reinhold Dorn, Roman Follert, Artie Hatzes, Paul Bristow, Claudio Cumani, Siegfried Eschbaumer, Andreas Haimerl, Marcus Haug, Renate Hinterschuster, Yves Jung, Ulf Seemann, Jörg Stegmeier, Katja Hauptner, Petra Rhode, Christof Schmidt, Anna Brucalassi, Ulrike Heiter, Derek Ives, Florian Kerber, Barbara Klein, Alexis Lavail, Jean Louis Lizon, Thomas Marquart, Christophe Moins, Ignacio Molina-Conde, Ernesto Oliva, Luca Pasquini, Jérôme Paufique, Nikolai Piskunov, Eric Stempels, Sebastien Tordo, Elena Valenti, Heiko Anwand-Heerwart, Peter Jeep, Christopher Marvin, Ansgar Reiners, Tim Umlauf

Proceedings Volume 10702, 1070239 (2018) https://doi.org/10.1117/12.2313743

KEYWORDS: Calibration, Adaptive optics, Spectrographs, Metrology, Fabry–Perot interferometers, Cryogenics, Detector arrays

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Proceedings Article | 6 July 2018 Paper

Paper

Introducing GOFIO: a DRS for the GIANO-B near-infrared spectrograph

Avet Harutyunyan, Ilaria Carleo, Ernesto Oliva, Serena Benatti, Giuseppina Micela, Francesca Ghinassi, Marcella Iuzzolino, Marcello Lodi, Luca Malavolta, Jesus Maldonado, Livia Origlia, Alfio Puglisi, Jose San Juan, Salvo Scuderi, Ulf Seeman, Alessandro Sozzetti, Mauro Sozzi, Hector Perez Ventura, Marcos Hernandez Diaz, Alberto Galli, Carlos Gonzalez, Luis Riverol, Carlos Riverol, Monica Rainer, Andrea Bignamini, Riccardo Claudi, Esther Gonzalez-Alvarez, Nicoletta Sanna, Adriano Ghedina, Emilio Molinari, Andrea Tozzi, Carlo Baffa, Andrea Baruffolo, Nicolas Buchschacher, Massimo Cecconi, Rosario Cosentino, Gilberto Falcini, Daniela Fantinel, Luca Fini, Elisabetta Giani, Manuel Gonzalez, Jose Guerra, Nauzet Hernandez, Raffaele Gratton

Proceedings Volume 10702, 1070266 (2018) https://doi.org/10.1117/12.2312130

KEYWORDS: Calibration, Lamps, Sensors, Spectrographs, Signal to noise ratio, Infrared radiation, Spectroscopy, Signal detection, Data processing, Near infrared spectroscopy

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Proceedings Article | 6 July 2018 Paper

Paper

Bringing high-spectral resolution to VLT/SPHERE with a fiber coupling to VLT/CRIRES+

A. Vigan, J.-L. Beuzit, K. Dohlen, D. Mouillet, G. P. P. L. Otten, E. Muslimov, M. Philipps, R. Dorn, M. Kasper, I. Baraffe, A. Reiners, U. Seemann

Proceedings Volume 10702, 1070236 (2018) https://doi.org/10.1117/12.2313681

KEYWORDS: Fiber optics, Calibration, Planets, Coronagraphy, Signal to noise ratio, Exoplanets, Imaging spectroscopy, Spectrographs, Adaptive optics

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Proceedings Article | 6 July 2018 Paper

Paper

A unique infrared spectropolarimetric unit for CRIRES+

Alexis Lavail, Nikolai Piskunov, Eric Stempels, Thomas Marquart, Ulrike Heiter, Milan Rozel, Candice Durandet, Artie Hatzes, Roman Follert, Ansgar Reiners, Ulf Seemann, Ernesto Oliva, Reinhold Dorn, Jean-Louis Lizon, Anna Brucalassi, Paul Bristow, Ignacio Molina-Conde, Claudio Cumani, Derek Ives, Barbara Klein, Sebastien Tordo, Yves Jung, Jérôme Paufique, Andreas Haimerl, Jörg Stegmeier, Elena Valenti, Luca Pasquini, Andrey Dolgopolov, Florian Kerber, Renate Hinterschuster, Frans Snik, Michael Escuti

Proceedings Volume 10702, 1070234 (2018) https://doi.org/10.1117/12.2313512

KEYWORDS: Polarization, Sensors, Transmittance, Infrared radiation, Telescopes, Manufacturing, Stars, Magnetism, Adaptive optics, Infrared spectroscopy

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High-resolution infrared spectropolarimetry has many science applications in astrophysics. One of them is measuring weak magnetic fields using the Zeeman effect. Infrared domain is particularly advantageous as Zeeman splitting of spectral lines is proportional to the square of the wavelength while the intrinsic width of the line cores increases only linearly. Important science cases include detection and monitoring of global magnetic fields on solar-type stars, study of the magnetic field evolution from stellar formation to the final stages of the stellar life with massive stellar winds, and the dynamo mechanism operation across the boundary between fully- and partially-convective stars. CRIRES+ (the CRIRES upgrade project) includes a novel spectropolarimetric unit (SPU) based on polar- ization gratings. The novel design allows to perform beam-splitting very early in the optical path, directly after the tertiary mirror of the telescope (the ESO Very Large Telescope, VLT), minimizing instrumental polariza- tion. The new SPU performs polarization beam-splitting in the near-infrared while keeping the telescope beam mostly unchanged in the optical domain, making it compatible with the adaptive optics system of the CRIRES+ instrument. The SPU consists of four beam-splitters optimized for measuring circular and linear polarization of spectral lines in YJ and HK bands. The SPU can perform beam switching allowing to correct for throughput in each beam and for variations in detector pixel sensitivity. Other new features of CRIRES+, such as substantially increased wavelength coverage, stability and advanced data reduction pipeline will further enhance the sensitivity of the polarimetric mode. The combination of the SPU, CRIRES+ and the VLT is a unique facility for making major progress in understanding stellar activity. In this article we present the design of the SPU, laboratory measurements of individual components and of the whole unit as well as the performance prediction for the operation at the VLT.

Proceedings Article | 6 July 2018 Presentation + Paper

Presentation + Paper

GIARPS: commissioning and first scientific results

R. Claudi, S. Benatti, I. Carleo, A. Ghedina, J. Guerra, F. Ghinassi, A. Harutyunyan, G. Micela, E. Molinari, E. Oliva, M. Rainer, A. Tozzi, C. Baffa, A. Baruffolo, N. Buchschacher, M. Cecconi, R. Cosentino, G. Falcini, D. Fantinel, L. Fini, E. Giani, E. Gonzalez-Alvarez, M. Gonzalez, R. Gratton, N. Hernandez, M. Iuzzolino, M. Lodi, L. Malavolta, J. Maldonado, L. Origlia, A. Puglisi, N. Sanna, J. San Juan Gómez, S. Scuderi, U. Seemann, A. Sozzetti, M. Sozzi, H. Perez Ventura, M. Hernandez Diaz, A. Galli, C. Gonzalez, L. Riverol, C. Riverol, V. Biliotti

Proceedings Volume 10702, 107020Z (2018) https://doi.org/10.1117/12.2312555

KEYWORDS: Stars, Near infrared, Spectrographs, Planets, Calibration, Jupiter, Telescopes, Observatories, Exoplanets, Spectroscopy

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Proceedings Article | 5 June 2018 Paper

Paper

Si/SiO2-based filter coatings for astronomical applications in the IR spectral range

R. Follert, U. Seemann, E. Oliva, S. Schwinde, R. Schlegel, M. Schürmann, D. Gäbler

Proceedings Volume 10691, 106911E (2018) https://doi.org/10.1117/12.2311310

KEYWORDS: Refractive index, Optical coatings, Silicon, Germanium, Optical filters, Annealing, Sputter deposition

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Proceedings Article | 9 August 2016 Paper

Paper

The "+" for CRIRES: enabling better science at infrared wavelength and high spectral resolution at the ESO VLT

Roman Follert, Paul Bristow, Claudio Cumani, Jason Grunhut, Andreas Haimerl, Artie Hatzes, Florian Kerber, Barbara Klein, Tom Löwinger, Ernesto Oliva, Livia Origlia, Luca Pasquini, Jérôme Paufique, Nikolai Piskunov, Ansgar Reiners, Ulf Seemann, Jörg Stegmeier, Eric Stempels, Sebastien Tordo, Reinhold Dorn, Ulrike Heiter, Renate Hinterschuster, Derek Ives, Yves Jung, Alexis Lavail, Jean Louis Lizon, Thomas Marquart, Ignacio Molina-Conde, Belinda Nicholson, Siegfried Eschbaumer

Proceedings Volume 9908, 99080I (2016) https://doi.org/10.1117/12.2232837

KEYWORDS: Spectrographs, Spectral resolution, Infrared radiation, Sensors, Adaptive optics, Spectral resolution, Infrared radiation, Spectrographs, Calibration, Mirrors, Stars, Cameras, Polarization

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Proceedings Article | 9 August 2016 Paper

Paper

GIANO and HARPS-N together: towards an Earth-mass detection instrument

A. Tozzi, E. Oliva, M. Iuzzolino, L. Fini, A. Puglisi, M. Sozzi, L. Carbonaro, A. Ghedina, R. Claudi, G. Falcini, L. Mercatelli, U. Seemann

Proceedings Volume 9908, 99086C (2016) https://doi.org/10.1117/12.2231898

KEYWORDS: Spectrographs, Infrared spectroscopy, Telescopes, Stars, Absorption, Calibration, Mirrors, Spectroscopy, Interfaces, Reflectivity

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Proceedings Article | 9 August 2016 Paper

Paper

A high-resolution spectrograph for the 72cm Waltz Telescope at Landessternwarte, Heidelberg

M. Grill, R. Harris, J. Stürmer, T. Gutcke, S. Reffert, A. Quirrenbach, W. Seifert, G. Thimm, U. Seeman, M. Tala , P. Heeren, C. Schwab, H. Mandel, L. Geuer, L. Schäffner, J. Tietz, K. Wagner

Proceedings Volume 9908, 99086O (2016) https://doi.org/10.1117/12.2232730

KEYWORDS: Spectrographs, Telescopes, Calibration, Iodine cells, Sensors, Spectral resolution, Charge-coupled devices, Prisms, Mirrors, CCD image sensors

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Proceedings Article | 1 August 2016 Paper

Paper

Characterizing the cross dispersion reflection gratings of CRIRES+

Jörg Hollandt, Dieter Taubert, Christian Monte, Paul Bristow, Artie Hatzes, Ansgar Reiners, Derek Ives, Yves Jung, Florian Kerber, Belinda Nicholson, Roman Follert, Ernesto Oliva, Ulf Seemann, Tom Löwinger, Reinhold Dorn, Nikolai Piskunov, Ulrike Heiter, Thomas Marquart, Eric Stempels, Alexis Lavail, Claudio Cumani, Jason Grunhut, Andreas Haimerl, Renate Hinterschuster, Barbara Klein, Jean Louis Lizon, Ignacio Molina-Conde, Livia Origlia, Luca Pasquini, Jérôme Paufique, Jörg Stegmeier, Sebastien Tordo, Heiko Anwand-Heerwart, Christof Schmidt

Proceedings Volume 9912, 99122B (2016) https://doi.org/10.1117/12.2232569

KEYWORDS: Spectrographs, Infrared spectroscopy, Infrared spectroscopy, Mirrors, Sensors, Polarization, Signal detection, Polarizers, Mirror mounts, Infrared telescopes, Optical design

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Proceedings Article | 6 August 2014 Paper

Paper

Wavelength calibration from 1-5μm for the CRIRES+ high-resolution spectrograph at the VLT

U. Seemann, G. Anglada-Escude, D. Baade, P. Bristow, R. Dorn, R. Follert, J. Grunhut, A. Hatzes, U. Heiter, D. Ives, Y. Jung, H.-U. Käufl, F. Kerber, B. Klein, J.-L. Lizon, M. Lockhart, T. Löwinger, T. Marquart, E. Oliva, J. Paufique, N. Piskunov, Eszter Pozna, A. Reiners, E. Stempels, P. Jeep, A. Smette, J. Smoker, E. Valenti, D. Gojak

Proceedings Volume 9147, 91475G (2014) https://doi.org/10.1117/12.2056668

KEYWORDS: Calibration, Absorption, K band, Fabry–Perot interferometers, Spectrographs, Near infrared, Fourier transforms, Spectral resolution, Molecules, Sensors

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Proceedings Article | 6 August 2014 Paper

Paper

Characterizing U-Ne hollow cathode lamps at near-IR wavelengths for the CARMENES survey

L. Sarmiento, A. Reiners, U. Seemann, U. Lemke, J. Winkler, M. Pluto, E. Günther, A. Quirrenbach, J. Caballero, P. Amado, I. Ribas, R. Mundt, W. Seifert

Proceedings Volume 9147, 914754 (2014) https://doi.org/10.1117/12.2056501

KEYWORDS: Lamps, Uranium, Calibration, Neon, Spectrographs, Fourier transforms, Astronomy, Sensors, Spectral calibration, Velocity measurements

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Proceedings Article | 28 July 2014 Paper

Paper

Novel infrared polarimeter for the ESO CRIRES+ instrument

Matthew Lockhart, Eric Stempels, Nikolai Piskunov, Ernesto Oliva, Michael Escuti, Hans-Ulrich Käufl, Artie Hatzes, Roman Follert, Tom Löwinger, Ansgar Reiners, Ulf Seemann, Guillem Anglada-Escude, Ulrike Heiter, Thomas Marquart, Dietrich Baade, Paul Bristow, Reinhold Dorn, Jason Grunhut, Jean-Louis Lizon, Elena Valenti, Barbara Klein, Domingo Gojak, Eszter Pozna, Jerome Paufique, Derek Ives, Florian Kerber, Yves Jung, Michael Hilker, Luca Pasquini, Alain Smette, Jonathan Smoker, Livia Origlia

Proceedings Volume 9147, 91478P (2014) https://doi.org/10.1117/12.2056367

KEYWORDS: Polarimetry, Beam splitters, Infrared radiation, Polarization, Sensors, Adaptive optics, Telescopes, Prototyping, Monochromators, Infrared telescopes

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Proceedings Article | 24 July 2014 Paper

Paper

Opto-mechanical design of a new cross dispersion unit for the CRIRES+ high resolution spectrograph for the VLT

Jean Louis Lizon, Ernesto Oliva, Barbara Klein, Tom Löwinger, Guillem Anglada Escude, Dietrich Baade, Paul Bristow, Reinhold Dorn, Roman Follert, Jason Grunhut, Artie Hatzes, Ulrike Heiter, Derek Ives, Yves Jung, Florian Kerber, Matt Lockhart, Thomas Marquart, Jerome Paufique, N. Piskunov, Eszter Pozna, Ansgar Reiners, Ulf Seemann, Eric Stempels, Livia Origlia, Luca Pasquini, Alain Smette, Jonathan Smoker, Elena Valenti

Proceedings Volume 9147, 91477S (2014) https://doi.org/10.1117/12.2054800

KEYWORDS: Sensors, Cryogenics, Cameras, Lenses, Spectrographs, Interfaces, Mirrors, Optomechanical design, Optical design, Aluminum

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Proceedings Article | 24 July 2014 Paper

Paper

Concept and optical design of the cross-disperser module for CRIRES+

E. Oliva, A. Tozzi, D. Ferruzzi, R. Follert, A. Hatzes, N. Piskunov, U. Heiter, E. Stempels, T. Marquart, A. Reiners, T. Löwinger, L. Origlia, M. Lockhart, B. Delabre, D. Gojak, J. Grunhut, M. Hilker, L. Pasquini, A. Smette, J. Smoker, E. Valenti, H.-U. Kaeufl, Ulf Seemann, G. Anglada-Escude, R. Dorn, J. Lizon, P. Bristow, D. Baade, Barbara Klein, Y. Jung, D. Ives, F. Kerber, Eszter Pozna, J. Paufique

Proceedings Volume 9147, 91477R (2014) https://doi.org/10.1117/12.2054381

KEYWORDS: Cameras, Tolerancing, Mirrors, Optical filters, Spectroscopy, Optical components, Optical design, Infrared spectroscopy, Sensors, Coating

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Proceedings Article | 8 July 2014 Paper

Paper

CRIRES+: a cross-dispersed high-resolution infrared spectrograph for the ESO VLT

R. Follert, R. Dorn, E. Oliva, J. Lizon, A. Hatzes, N. Piskunov, A. Reiners, U. Seemann, E. Stempels, U. Heiter, T. Marquart, M. Lockhart, G. Anglada-Escude, T. Löwinger, D. Baade, J. Grunhut, P. Bristow, B. Klein, Y. Jung, D. Ives, F. Kerber, Eszter Pozna, J. Paufique, H. Kaeufl, L. Origlia, E. Valenti, D. Gojak, M. Hilker, L. Pasquini, A. Smette, J. Smoker

Proceedings Volume 9147, 914719 (2014) https://doi.org/10.1117/12.2054197

KEYWORDS: Spectrographs, Infrared spectroscopy, Stars, Sensors, Infrared radiation, Calibration, Adaptive optics, Planets, Magnetism, Absorption

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Showing 5 of 27 publications

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