Dr. Robert H. Hammerschlag Profile

Dr. Robert H. Hammerschlag

Retired

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 22 July 2016 Paper

Paper

Completely open-foldable domes remaining cool in sunshine

Robert Hammerschlag, Sander Deelen, Pieter Hoogendoorn, Johannes N. Kommers, Thomas Sonner, Roberto Simoes, Olivier Grassin, Andreas Fischer, Simon Visser, Kristof Thewissen

Proceedings Volume 9912, 99121E (2016) https://doi.org/10.1117/12.2232097

KEYWORDS: Domes, Telescopes, Scintillation, Astronomy, Environmental sensing, Astronomical telescopes, Environmental sensing, Astronomical telescopes, Scintillation, Head, Observatories, Chromium, Ultraviolet radiation

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SPIE Journal Paper | 31 January 2013 Open Access

Open Access

Large-field high-resolution mosaic movies

Olga Panasenco, Eugene Romashets, Robert Hammerschlag, Guus Sliepen, Felix Bettonvil, Aswin Jägers, Peter Sütterlin, Yong Lin, Sara Martin

OE, Vol. 52, Issue 08, 081603, (January 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.8.081603

KEYWORDS: Telescopes, Space telescopes, Cameras, Magnetism, Sun, Solar processes, Optical engineering, Solar telescopes, Spatial resolution, Doppler effect

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Proceedings Article | 17 September 2012 Paper

Paper

Large-field high-resolution mosaic movies

Robert Hammerschlag, Guus Sliepen, Felix C. Bettonvil, Aswin P. Jägers, Peter Sütterlin, Sara Martin

Proceedings Volume 8444, 844406 (2012) https://doi.org/10.1117/12.924244

KEYWORDS: Telescopes, Space telescopes, Magnetism, Cameras, Sun, Solar telescopes, Solar processes, Lanthanum, Doppler effect, Visibility

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Proceedings Article | 13 September 2012 Paper

Paper

The GREGOR dome, pathfinder for the EST dome

Robert Hammerschlag, Johannes Kommers, Simon Visser, Felix C. Bettonvil, Anton G. van Schie, Simon van Leverink, Guus Sliepen, Aswin P. Jägers

Proceedings Volume 8450, 845007 (2012) https://doi.org/10.1117/12.924953

KEYWORDS: Domes, Telescopes, Actuators, Space telescopes, Wind measurement, Observatories, Lanthanum, Climatology, Mirrors, Humidity

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Proceedings Article | 6 August 2010 Paper

Paper

Seeing measurements with autonomous, short-baseline shadow band rangers

Guus Sliepen, Aswin P. Jägers, Felix C. Bettonvil, Robert Hammerschlag

Proceedings Volume 7733, 77334L (2010) https://doi.org/10.1117/12.857643

KEYWORDS: Telescopes, Cameras, Photodiodes, Sun, Lanthanum, Sensors, Data acquisition, Scintillation, Wavefront sensors, Amplifiers

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Proceedings Article | 5 August 2010 Paper

Paper

The pier and building of the European Solar Telescope (EST)

F. C. Bettonvil, R. Codina, A. Gómez Merchán, R. Hammerschlag, J. J. Hartman, E. Hernández Suárez, A. P. Jägers, G. Murga Llano, J. W. Pelser, G. Sliepen

Proceedings Volume 7733, 773334 (2010) https://doi.org/10.1117/12.857797

KEYWORDS: Telescopes, Turbulence, Solar telescopes, Convection, Solids, 3D modeling, CFD analysis, Lanthanum, Optical instrument design, Wind energy

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Proceedings Article | 5 August 2010 Paper

Paper

Foldable dome climate measurements and thermal properties

Guus Sliepen, Aswin P. Jägers, Robert Hammerschlag, Felix C. Bettonvil

Proceedings Volume 7733, 773332 (2010) https://doi.org/10.1117/12.857650

KEYWORDS: Humidity, Domes, Telescopes, Sensors, Temperature metrology, Climatology, Lanthanum, Solar telescopes, Skin, Scintillation

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Proceedings Article | 5 August 2010 Paper

Paper

The enclosure for the European Solar Telescope (EST)

F. C. Bettonvil, R. Codina, R. Hammerschlag, A. P. Jägers, J. N. Kommers, S. van Leverink, G. Sliepen, S. Visser

Proceedings Volume 7733, 773333 (2010) https://doi.org/10.1117/12.857747

KEYWORDS: Telescopes, Turbulence, Domes, Solar telescopes, Mirrors, Optical instrument design, Camera shutters, Sun, Wind energy, Temperature metrology

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Proceedings Article | 28 July 2010 Paper

Paper

Mechanical design of a completely open-foldable dome for EST

Robert Hammerschlag, Johannes N. Kommers, Simon van Leverink, Felix C. Bettonvil, Simon Visser, Aswin P. Jägers, Guus Sliepen

Proceedings Volume 7733, 77330J (2010) https://doi.org/10.1117/12.857807

KEYWORDS: Telescopes, Space telescopes, Mirrors, Actuators, Optical instrument design, Solar telescopes, Wavefronts, Domes, Image quality, Observatories

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Proceedings Article | 21 July 2010 Paper

Paper

The Irkutsk Barium filter for narrow-band wide-field high-resolution solar images at the Dutch Open Telescope

Robert Hammerschlag, Valery Skomorovsky, Felix C. Bettonvil, Galina Kushtal, Vyacheslav Olshevsky, Robert Rutten, Aswin P. Jägers, Guus Sliepen, Frans Snik

Proceedings Volume 7735, 773585 (2010) https://doi.org/10.1117/12.858450

KEYWORDS: Barium, Optical filters, Telescopes, Doppler effect, Cameras, Computing systems, Switches, Imaging systems, Crystals, Calcite

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Proceedings Article | 23 July 2008 Paper

Paper

Contactless sub-millimeter displacement measurements

Guus Sliepen, Aswin Jägers, Felix Bettonvil, Robert Hammerschlag

Proceedings Volume 7018, 70181C (2008) https://doi.org/10.1117/12.788320

KEYWORDS: Cameras, Image processing, Correlation function, Domes, Telescopes, Sensors, Image filtering, Electronic filtering, Mirrors, Optical filters

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Proceedings Article | 23 July 2008 Paper

Paper

Fast foldable tent domes

Aswin Jägers, Guus Sliepen, Felix Bettonvil, Robert Hammerschlag

Proceedings Volume 7018, 70181R (2008) https://doi.org/10.1117/12.788148

KEYWORDS: Domes, Sensors, Telescopes, Wind measurement, Cameras, Mirrors, Computing systems, Space telescopes, Data processing, Ultrasonics

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Proceedings Article | 23 July 2008 Paper

Paper

Large fully retractable telescope enclosures still closable in strong wind

Felix Bettonvil, Robert Hammerschlag, Aswin Jägers, Guus Sliepen

Proceedings Volume 7018, 70181N (2008) https://doi.org/10.1117/12.789986

KEYWORDS: Telescopes, Observatories, Prototyping, Lanthanum, Astronomical telescopes, Solar telescopes, Actuators, Astronomy, Optical spheres, Buildings

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Proceedings Article | 10 July 2008 Paper

Paper

Cornelis Zwaan, open principle, and the future of high-resolution solar telescopes

Robert Hammerschlag, Felix C. Bettonvil, Aswin P. Jägers, Guus Sliepen

Proceedings Volume 7012, 70120M (2008) https://doi.org/10.1117/12.789944

KEYWORDS: Telescopes, Solar telescopes, Mirrors, Temperature metrology, Optical instrument design, Lanthanum, Ocean optics, Sensors, Speckle, Sun

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Proceedings Article | 6 July 2006 Paper

Paper

Towers for telescopes with extreme stability: active or passive?

Robert Hammerschlag, Felix C. M. Bettonvil, Aswin P. L. Jägers

Proceedings Volume 6273, 62731O (2006) https://doi.org/10.1117/12.670850

KEYWORDS: Telescopes, Mirrors, Solids, Adaptive optics, Optical instrument design, Astronomy, Sensors, Domes, Actuators, Chemical elements

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Proceedings Article | 6 July 2006 Paper

Paper

Large bearings with incorporated gears, high stiffness, and precision for the Swedish Solar Telescope (SST) on La Palma

Robert Hammerschlag, Felix C. Bettonvil, Aswin P. Jägers, Göran Scharmer

Proceedings Volume 6273, 627315 (2006) https://doi.org/10.1117/12.670870

KEYWORDS: Teeth, Telescopes, Mirrors, Space telescopes, Solar telescopes, Lanthanum, Manufacturing, Ocean optics, Adaptive optics, Head

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Proceedings Article | 27 June 2006 Paper

Paper

Concept study and validation of Antarctic telescope tower

Ephraim Lanford, Mark Swain, Catherine Meyers, Tamao Muramatsu, Greg Nielson, Valerie Olson, Sebastien Ronsse, Emily Vinding Nyden, Robert Hammerschlag, Patrick Little

Proceedings Volume 6268, 626814 (2006) https://doi.org/10.1117/12.672346

KEYWORDS: Telescopes, Space telescopes, Optical instrument design, Motion models, Control systems design, 3D modeling, Device simulation, Adaptive optics, Domes, Control systems

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Proceedings Article | 27 June 2006 Paper

Paper

Tunable H-alpha Lyot filter with advanced servo system and image processing: instrument design and new scientific results with the Dutch Open Telescope

Felix Bettonvil, Robert Hammerschlag, Peter Sütterlin, Robert Rutten, Aswin P. Jägers, Guus Sliepen

Proceedings Volume 6269, 62690E (2006) https://doi.org/10.1117/12.670754

KEYWORDS: Cameras, Telescopes, Speckle, Optical filtering, Digital signal processing, Magnetism, Optical filters, Imaging systems, Lenses, Servomechanisms

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Proceedings Article | 28 September 2004 Paper

Paper

GISOT: a giant solar telescope

Robert Hammerschlag, Oskar von der Luhe, Felix Bettonvil, Aswin Jagers, Frans Snik

Proceedings Volume 5489, (2004) https://doi.org/10.1117/12.550513

KEYWORDS: Mirrors, Telescopes, Solar telescopes, Point spread functions, Adaptive optics, Space telescopes, Diffraction, Off axis mirrors, Optical components, Modulation transfer functions

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Proceedings Article | 28 September 2004 Paper

Paper

DOT++: the Dutch Open Telescope with 1.4-m aperture

Felix Bettonvil, Robert Hammerschlag, Peter Sutterlin, Robert Rutten, Aswin Jagers, Frans Snik

Proceedings Volume 5489, (2004) https://doi.org/10.1117/12.550479

KEYWORDS: Mirrors, Telescopes, Speckle, Adaptive optics, Imaging systems, Cameras, Diffraction, Lanthanum, Secondary tip-tilt mirrors, Solar telescopes

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Proceedings Article | 11 February 2003 Paper

Paper

Large open telescope: size-upscaling from DOT to LOT

Robert Hammerschlag, Aswin Jaegers, Felix Bettonvil

Proceedings Volume 4853, (2003) https://doi.org/10.1117/12.460286

KEYWORDS: Telescopes, Mirrors, Space telescopes, Spectrographs, Astronomical telescopes, Astronomy, Optical instrument design, Solar telescopes, Diffraction, Lanthanum

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Proceedings Article | 11 February 2003 Paper

Paper

Multiwavelength imaging system for the Dutch Open Telescope

Felix Bettonvil, Peter Suetterlin, Robert Hammerschlag, Aswin Jagers, Robert Rutten

Proceedings Volume 4853, (2003) https://doi.org/10.1117/12.460287

KEYWORDS: Telescopes, Cameras, Mirrors, Imaging systems, Speckle, Barium, Magnetism, Calcium, Monochromatic aberrations, Solar telescopes

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Showing 5 of 22 publications

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