Dr. Stefan Schwinde Profile

Dr. Stefan Schwinde

at Fraunhofer IOF

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Publications (13)

Proceedings Article | 12 July 2023 Open Access

Black aperture coating with an anti-reflective clear aperture: developed and qualified for space-based applications

S. Schwinde, P. Munzert, S. Shestaeva, R. Leitel, S. Kleinle, S. Schröder

Proceedings Volume 12777, 127775I (2023) https://doi.org/10.1117/12.2691027

KEYWORDS: Coating, Prisms, Antireflective coatings, Stray light, Astronomical imaging, Transmittance, Reflectivity, Optical surfaces, Optical components, Visual inspection

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Proceedings Article | 12 July 2023 Open Access

Realizing an all-glass beam splitter for space by using advanced joining technologies

Carolin Rothhardt, Pascal Birckigt, Kevin Grabowski, Stefan Risse, Ralph Schlegel, Svetlana Shestaeva, Stefan Schwinde, Sebastian Schmidl, Sylvio Klose

Proceedings Volume 12777, 1277719 (2023) https://doi.org/10.1117/12.2689276

KEYWORDS: Beam splitters, Coating, Prisms, Cryogenics, Silicates, Tunable filters, Surface finishing, Silicon, Tantalum, Astronomical imaging

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Proceedings Article | 29 August 2022 Presentation + Paper

Development of advanced silver coatings for telescope mirrors

S. Schwinde, S. Shestaeva, R. Holzlöhner, G. Willers, R. Schlegel, A. Förster, R. Parra, S. Guisard, O. Sqalli, S. Schröder

Proceedings Volume 12188, 121881X (2022) https://doi.org/10.1117/12.2627710

KEYWORDS: Reflectivity, Silver, Mirrors, Telescopes, Optical coatings, Aluminum, Reflector telescopes, Gemini Observatory, Gold, Ruthenium, Near ultraviolet

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Proceedings Article | 29 August 2022 Presentation + Paper

Electron microscopy studies of contaminated telescope mirror samples exposed at Paranal

Guido Willers, Ronald Holzlöhner, Volker Naumann, Stefan Schwinde, Stéphane Guisard

Proceedings Volume 12188, 121881Z (2022) https://doi.org/10.1117/12.2627690

KEYWORDS: Particles, Mirrors, Aluminum, Telescopes, Silver, Corrosion, Reflectivity, Chlorine, Glasses, Cements

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Proceedings Article | 27 August 2022 Presentation + Paper

Development and manufacturing of the receiver telescope for the Ganymede Laser Altimeter (GALA)

Henrik von Lukowicz, Johannes Hartung, Robert Jende, Sandra Müller, Mathias Rohde, Jan Kinast, Knut Kleinbauer, Svetlana Shestaeva, Stefan Schwinde, Thomas Peschel, Kai Weidlich, Henry Wegert, Stefan Risse

Proceedings Volume 12180, 121800H (2022) https://doi.org/10.1117/12.2631688

KEYWORDS: Mirrors, Telescopes, Manufacturing, Interfaces, Diamond turning, Coating, Reflectivity, Receivers, Optics manufacturing, Jupiter

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Proceedings Article | 11 June 2021 Open Access

Au coatings for spaced based reflectors

Stefan Schwinde, Svetlana Shestaeva, Sven Stempfhuber, Henrik von Lukowicz, Jochen Kuhnhenn, Sven Schröder

Proceedings Volume 11852, 118521Q (2021) https://doi.org/10.1117/12.2599299

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Proceedings Article | 13 December 2020 Presentation + Paper

Échelle grating with improved polarization characteristics used for Earth observation

Susann Sadlowski, Torsten Harzendorf, Stefan Schwinde, Frank Burmeister, Dirk Michaelis, Thomas Flügel-Paul, Uwe Zeitner

Proceedings Volume 11451, 114511D (2020) https://doi.org/10.1117/12.2562546

KEYWORDS: Polarization, Diffraction gratings, Optics manufacturing, Optical design, Crystals, Diffraction, Silicon, Earth's atmosphere, Spectroscopic atmospheric monitoring techniques, Spectral resolution

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Proceedings Article | 12 July 2019 Open Access

Protected silver coatings for reflectors

Stefan Schwinde, Mark Schürmann, Ralph Schlegel, Jan Kinast, Reinhold Dorn, Jean Louis Lizon, Sebastien Tordo, Norbert Kaiser

Proceedings Volume 11180, 111804M (2019) https://doi.org/10.1117/12.2536085

KEYWORDS: Silicon, Aluminum, Reflectors, Sputter deposition, Silver, Argon, Resistance, Reflectivity, Oxygen, Infrared spectroscopy

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Proceedings Article | 5 June 2018 Paper

Optical characterisation of silver mirrors protected with transparent overcoats

A. Sytchkova, S. Schwinde, M. L. Protopapa, M. Palmisano, A. Piegari, M. Schürmann, N. Kaiser

Proceedings Volume 10691, 106910N (2018) https://doi.org/10.1117/12.2312077

KEYWORDS: Silver, Mirrors, Optical coatings, Dielectrics, Data modeling, Oxides, Refractive index, Sputter deposition

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Proceedings Article | 5 June 2018 Paper

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

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

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 | 17 November 2017 Open Access

High-reflective coatings for ground and space based applications

M. Schürmann, S. Schwinde, P. Jobst, O. Stenzel, S. Wilbrandt, A. Szeghalmi, A. Bingel, P. Munzert, N. Kaiser

Proceedings Volume 10563, 105630M (2017) https://doi.org/10.1117/12.2304172

KEYWORDS: Silver, Optical coatings, Reflectivity, Aluminum, Atomic layer deposition, Particles, Contamination, Mirrors, Multilayers, Humidity

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Proceedings Article | 22 July 2016 Paper

Manufacturing and coating of optical components for the EnMAP hyperspectral imager

M. Schürmann, D. Gäbler, R. Schlegel, S. Schwinde, T. Peschel, C. Damm, R. Jende, J. Kinast, S. Müller, M. Beier, S. Risse, B. Sang, M. Glier, H. Bittner, M. Erhard

Proceedings Volume 9912, 991230 (2016) https://doi.org/10.1117/12.2232914

KEYWORDS: Mirrors, Coating, Prisms, Imaging systems, Antireflective coatings, Spectrometers, Surface finishing, Telescopes, Silver, Short wave infrared radiation

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Proceedings Article | 23 September 2015 Paper

Protected and enhanced silver for mirrors: damage mechanisms and how to prevent them

S. Schwinde, M. Schürmann, Norbert Kaiser, Andreas Tünnermann

Proceedings Volume 9627, 96271R (2015) https://doi.org/10.1117/12.2191216

KEYWORDS: Silver, Reflectivity, Corrosion, Particles, Mirrors, Metals, Refractive index, Aluminum, Sensors, Gold

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Showing 5 of 13 publications

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