Dr. Stefan Hofer Profile

Dr. Stefan Hofer

at Kayser-Threde GmbH

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 21 November 2017 Open Access

Raman technology for future planetary missions

Hans Thiele, Stefan Hofer, Timo Stuffler, Markus Glier, Jürgen Popp, Omar Sqalli, Andreas Wuttig, Rainer Riesenberg

Proceedings Volume 10567, 105671T (2017) https://doi.org/10.1117/12.2308055

KEYWORDS: Raman spectroscopy, Head, Deep ultraviolet, Microscopes, Fiber couplers, Spectroscopy, Fiber lasers, Ultraviolet radiation, Fiber coupled lasers, Optical filters

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 21 November 2017 Open Access

Technological aspects and results from the DARWIN fringe sensor predevelopment

Hans Thiele, Stefan Hofer, Timo Stuffler, Frederic Cassaign, Isabelle Mocoeur, Laurent Mugnier, Marc Barillot, Yves Salvadé, Igor Zayer

Proceedings Volume 10567, 105670K (2017) https://doi.org/10.1117/12.2308056

KEYWORDS: Sensors, Telescopes, Space telescopes, Fermium, Frequency modulation, Calibration, Optical testing, Interferometers, Detection and tracking algorithms, Point spread functions

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 27 September 2008 Paper

Compact prism spectrometer of pushbroom type for hyperspectral imaging

Stefan Kaiser, Bernhard Sang, Josef Schubert, Stefan Hofer, Timo Stuffler

Proceedings Volume 7100, 710014 (2008) https://doi.org/10.1117/12.797177

KEYWORDS: Prisms, Spectroscopy, Mirrors, Short wave infrared radiation, Distortion, Sensors, Telescopes, Diffraction gratings, Imaging systems, Spherical lenses

Read Abstract +

Proceedings Article | 27 August 2008 Paper

The EnMAP hyperspectral imaging spectrometer: instrument concept, calibration, and technologies

B. Sang, J. Schubert, S. Kaiser, V. Mogulsky, C. Neumann, K.-P. Förster, S. Hofer, T. Stuffler, H. Kaufmann, A. Müller, T. Eversberg, C. Chlebek

Proceedings Volume 7086, 708605 (2008) https://doi.org/10.1117/12.794870

KEYWORDS: Spectroscopy, Short wave infrared radiation, Sensors, Mirrors, Calibration, Telescopes, Signal to noise ratio, Prisms, Diffusers, Sun

Read Abstract +

Proceedings Article | 3 October 2006 Paper

EnMAP Hyperspectral Imager: an advanced optical payload for future applications in Earth observation programs

S. Hofer, H. Kaufmann, T. Stuffler, B. Penné, G. Schreier, A. Müller, A. Eckardt, H. Bach, U. Benz, R. Haydn

Proceedings Volume 6366, 63660E (2006) https://doi.org/10.1117/12.690608

KEYWORDS: Sensors, Short wave infrared radiation, Calibration, Spectroscopy, Hyperspectral imaging, Signal to noise ratio, Satellites, Data archive systems, Imaging systems, Ecosystems

Read Abstract +

Proceedings Article | 28 June 2006 Paper

DARWIN fringe sensor: experimental results on the BRISE bench

Isabelle Mocœur, Frédéric Cassaing, Fabien Baron, Laurent Mugnier, Stephan Hofer, Hans Thiele

Proceedings Volume 6268, 62682B (2006) https://doi.org/10.1117/12.671705

KEYWORDS: Phase retrieval, Sensors, Telescopes, Image retrieval, Interferometers, Monochromatic aberrations, Point spread functions, Algorithm development, Visibility, Phase measurement

Read Abstract +

Proceedings Article | 27 February 2006 Paper

Rapid identification of single microbes by various Raman spectroscopic techniques

Petra Rösch, Michaela Harz, Michael Schmitt, Klaus-Dieter Peschke, Olaf Ronneberger, Hans Burkhardt, Hans-Walter Motzkus, Markus Lankers, Stefan Hofer, Hans Thiele, Jürgen Popp

Proceedings Volume 6093, 60930D (2006) https://doi.org/10.1117/12.645632

KEYWORDS: Raman spectroscopy, Microorganisms, Bacteria, Micro raman spectroscopy, Spectroscopy, Proteins, Macromolecules, Fluorescence spectroscopy, Yeast, Ultraviolet radiation

Read Abstract +

Proceedings Article | 8 September 2005 Paper

Results from a contamination experiment on the ISS

Peter Friedrich, Peter Predehl, Norbert Meidinger, Lothar Strüder, Monika Vongehr, Wolfgang Burkert, Michael Freyberg, Gisela Hartner, Heinrich Bräuninger, Günther Hasinger, Stefan Hofer, Timo Stuffler, Franz Hagl, Christian Hollerith

Proceedings Volume 5900, 59000N (2005) https://doi.org/10.1117/12.616948

KEYWORDS: Gold, Silicon, Contamination, X-rays, Particles, Scanning electron microscopy, Aluminum, Mirrors, Chemical analysis, Reflectivity

Read Abstract +

Proceedings Article | 29 August 2005 Paper

SNR estimation for advanced hyperspectral space instrument

Andreas Eckardt, Stefan Hofer, Christian Neumann, Wolfgang Skrbek

Proceedings Volume 5883, 588303 (2005) https://doi.org/10.1117/12.609236

KEYWORDS: Signal to noise ratio, Sensors, Short wave infrared radiation, Calibration, Charge-coupled devices, Quantum efficiency, Aerospace engineering, Modeling, Spectroscopy, Atmospheric sensing

Read Abstract +

Proceedings Article | 11 October 2004 Paper

The x-ray telescope ROSITA on its way to orbit

Timo Stuffler, Stefan Hofer, Peter Predehl, Guenther Hasinger

Proceedings Volume 5488, (2004) https://doi.org/10.1117/12.551361

KEYWORDS: Space telescopes, Telescopes, Mirrors, X-ray telescopes, X-rays, Sensors, Spatial resolution, Contamination, Imaging spectroscopy, X-ray astronomy

Read Abstract +

Proceedings Article | 27 August 1999 Paper

Lessons learned from the development of the XMM optics

Daniel de Chambure, Robert Laine, Kees van Katwijk, Philippe Kletzkine, Arnoldo Valenzuela, Gabriel Grisoni, Marina Canali, Stefan Hofer, Jean Tock, Isabelle Domken, Yvan Stockman, Hebert Hansen, Michel Leonard, Bernd Aschenbach, Heinrich Braeuninger

Proceedings Volume 3737, (1999) https://doi.org/10.1117/12.360007

KEYWORDS: Mirrors, X-rays, X-ray telescopes, Telescopes, Sensors, Optics manufacturing, Space telescopes, Manufacturing, Nickel, X-ray optics

Read Abstract +

Showing 5 of 11 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years