Prof. Jürgen Wöllenstein Profile

Prof. Jürgen Wöllenstein

Group Leader - Microsystems at Fraunhofer-IPM

SPIE Involvement:

Author

Publications (29)

Proceedings Article | 5 March 2021 Presentation + Paper

A dual-comb spectrometer for trace gas analysis in the mid-infrared

Leonard Nitzsche, Jens Goldschmidt, Jens Kiessling, Sebastian Wolf, Frank Kuehnemann, Juergen Woellenstein

Proceedings Volume 11670, 1167005 (2021) https://doi.org/10.1117/12.2578371

KEYWORDS: Spectroscopy, Mid-IR, Signal to noise ratio, Time metrology, Optical parametric oscillators, Spectrometer engineering, Photodetectors, Modulation, Gases, Frequency combs

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Proceedings Article | 26 January 2018 Presentation + Paper

One quantum sensor for all gases: cavity-enhanced Raman spectroscopy for food-chain monitoring

Vincenz Sandfort, Jens Goldschmidt, Jürgen Wöllenstein, Stefan Palzer

Proceedings Volume 10540, 105400Z (2018) https://doi.org/10.1117/12.2289732

KEYWORDS: Raman spectroscopy, Gases, Raman scattering

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Proceedings Article | 13 June 2017 Presentation + Paper

MEMS-based array for hydrogen sulfide detection employing a phase transition

B. Bierer, C. Dinc, H. Gao, J. Wöllenstein, S. Palzer

Proceedings Volume 10246, 102460D (2017) https://doi.org/10.1117/12.2265743

KEYWORDS: Copper, Oxides, Metals, Sensors, Biogases, Electrodes, Control systems, Gas sensors, Semiconductors

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Proceedings Article | 2 June 2017 Paper

Colorimetric sensor for bad odor detection using automated color correction

K. Schmitt, K. Tarantik, C. Pannek, I. Benito-Altamirano, O. Casals, C. Fàbrega, A. Romano-Rodríguez, J. Wöllenstein, J. Prades

Proceedings Volume 10246, 102461F (2017) https://doi.org/10.1117/12.2265990

KEYWORDS: Sensors, RGB color model, Biological and chemical sensing, Gas sensors, Gases, Industrial chemicals, Chemical compounds, Time metrology, Cameras, Calibration, Arsenic, Glasses, Sensor performance

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Proceedings Article | 21 May 2015 Paper

Photoacoustic CO2 sensor system: design and potential for miniaturization and integration in silicon

J. Huber, J. Wöllenstein

Proceedings Volume 9517, 951715 (2015) https://doi.org/10.1117/12.2179157

KEYWORDS: Sensors, Absorption, Carbon dioxide, Silicon, Photoacoustic spectroscopy, Signal detection, Sapphire, Infrared sensors, Gas sensors, Thermography

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Proceedings Article | 21 May 2015 Paper

MEMS-based platform optimized for inkjet printing of nano-sized, gas sensitive functional metal oxides to enable the measurement of gas induced changes of the heating power

B. Bierer, J. Kneer, J. Wöllenstein, S. Palzer

Proceedings Volume 9517, 951714 (2015) https://doi.org/10.1117/12.2178976

KEYWORDS: Sensors, Oxides, Metals, Gas sensors, Resistance, Hydrogen, Copper, Printing, Inkjet technology, Temperature metrology

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Proceedings Article | 17 May 2013 Paper

Optical properties of copper oxide thin films as selective sensing principle for hydrogen sulfide detection

Janosch Kneer, Manuel Boxberg, Jürgen Wöllenstein

Proceedings Volume 8763, 87630E (2013) https://doi.org/10.1117/12.2017330

KEYWORDS: Thin films, Copper, Oxides, Optical properties, Raman spectroscopy, Reflection, Reflectivity, Hydrogen, Photovoltaics, Absorption

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Proceedings Article | 17 May 2013 Paper

Efficient nanoparticle filtering using bioinspired functional sufaces

Sebastian Busch, Manuel Ketterer, Xenia Vinzenz, Christian Hoffmann, Jürgen Wöllenstein

Proceedings Volume 8763, 87630Z (2013) https://doi.org/10.1117/12.2017434

KEYWORDS: Silicon, Scanning electron microscopy, Nanoparticles, Particles, Atmospheric particles, Adhesives, Semiconducting wafers, Atmospheric modeling, Coating, Atomic force microscopy

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Proceedings Article | 17 May 2013 Paper

Detection of bad indoor environment with a miniaturized gas sensor system

J. Huber, R. Binninger, K. Schmitt, J. Wöllenstein

Proceedings Volume 8763, 87632H (2013) https://doi.org/10.1117/12.2017425

KEYWORDS: Sensors, Gas sensors, Adsorption, Temperature metrology, Gases, Buildings, Environmental sensing, Control systems, Electronic circuits, Particles

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Proceedings Article | 5 May 2011 Paper

Optical fiber waveguide sensor for the colorimetric detection of ammonia

Katrin Schmitt, Jonas Rist, Carolin Peter, Jürgen Wöllenstein

Proceedings Volume 8066, 80661Y (2011) https://doi.org/10.1117/12.887577

KEYWORDS: Sensors, Gas sensors, Electronic circuits, Light emitting diodes, Absorption, Polymers, Waveguides, Optical fibers, Waveguide sensors, Fiber optics sensors

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Proceedings Article | 5 May 2011 Paper

Miniaturized multi channel infrared optical gas sensor system

Jürgen Wöllenstein, Andre Eberhardt, Sven Rademacher, Katrin Schmitt

Proceedings Volume 8066, 80660Q (2011) https://doi.org/10.1117/12.887593

KEYWORDS: Filtering (signal processing), Sensors, Electronic filtering, Gases, Optical filters, Photometry, Signal detection, Digital filtering, Infrared radiation, Signal processing

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Proceedings Article | 5 May 2011 Paper

Metallo-porphyrins as gas sensing material for colorimetric gas sensors on planar optical waveguides

Carolin Peter, Katrin Schmitt, Martin Schiel, Jürgen Wöllenstein

Proceedings Volume 8066, 80660L (2011) https://doi.org/10.1117/12.887390

KEYWORDS: NOx, Waveguides, Sensors, Gas sensors, Gases, Polymers, Light emitting diodes, Glasses, Carbon monoxide, Toxic gases

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Proceedings Article | 19 May 2009 Paper

Fast transient temperature operating micromachined emitter for mid-infrared for optical gas sensing systems

J. Hildenbrand, C. Peter, F. Lamprecht, A. Kürzinger, F. Naumann, M. Ebert, R. Wehrspohn, J. Wöllenstein

Proceedings Volume 7362, 73620S (2009) https://doi.org/10.1117/12.821645

KEYWORDS: Platinum, Silicon, Modulation, Aluminum, Photoresist materials, Etching, Resistance, Temperature metrology, Semiconducting wafers, Reactive ion etching

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Proceedings Article | 7 May 2009 Paper

TATP and TNT detection by mid-infrared transmission spectroscopy

Johannes Herbst, Jürgen Hildenbrand, Jürgen Wöllenstein, Armin Lambrecht

Proceedings Volume 7298, 72983W (2009) https://doi.org/10.1117/12.818841

KEYWORDS: Quantum cascade lasers, Explosives, Absorption, Sensors, Spectroscopy, Explosives detection, Mid-IR, Signal detection, Contamination, FT-IR spectroscopy

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Proceedings Article | 26 January 2009 Paper

Explosive detection using infrared laser spectroscopy

J. Hildenbrand, J. Herbst, J. Wöllenstein, A. Lambrecht

Proceedings Volume 7222, 72220B (2009) https://doi.org/10.1117/12.808976

KEYWORDS: Quantum cascade lasers, Explosives, Explosives detection, Spectroscopy, Laser spectroscopy, Infrared radiation, Absorption, Sensors, Signal detection, Infrared lasers

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Proceedings Article | 24 April 2008 Paper

Micromachined multicavity grey body emitter for the use in MIR spectroscopic systems

J. Hildenbrand, A. Kürzinger, E. Moretton, A. Greiner, A. Lambrecht, J. Wöllenstein, J. Korvink

Proceedings Volume 6993, 699304 (2008) https://doi.org/10.1117/12.780859

KEYWORDS: Silicon, Black bodies, Absorption, Ceramics, Optical microcavities, Coating, Silicon films, Platinum, Gold, Spectroscopy

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Proceedings Article | 28 January 2008 Paper

Hollow fibers for compact infrared gas sensors

A. Lambrecht, S. Hartwig, J. Herbst, J. Wöllenstein

Proceedings Volume 6901, 69010V (2008) https://doi.org/10.1117/12.761539

KEYWORDS: Optical fibers, Quantum cascade lasers, Infrared radiation, Signal attenuation, Sensors, Gas sensors, Bioalcohols, Infrared sensors, Optical filters, Absorption

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Proceedings Article | 17 May 2007 Paper

On the influence of nano-sized palladium clusters at the surface of SnO₂ thin films on the gas response

Stefan Palzer, Emmanuel Moretton, Chunrong Yin, Bernd von Issendorf, Jürgen Wöllenstein

Proceedings Volume 6589, 65891J (2007) https://doi.org/10.1117/12.722018

KEYWORDS: Sensors, Palladium, Carbon monoxide, Thin films, Metals, Oxides, Platinum, Electrodes, Gas sensors, Semiconductors

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Proceedings Article | 17 May 2007 Paper

Oxygen measurements at high pressures using a low-cost polarisation-stabilized widely tunable vertical-cavity surface-emitting laser

Benjamin Scherer, Jürgen Wöllenstein, Matthias Weidemüller, Wenzel Salzmann, Johannes Michael Ostermann, Fernando Rinaldi, Rainer Michalzik

Proceedings Volume 6589, 658908 (2007) https://doi.org/10.1117/12.722031

KEYWORDS: Oxygen, Vertical cavity surface emitting lasers, Absorption, Dielectric polarization, Polarization, Temperature metrology, Switches, Reflectivity, Mirrors, Switching

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Proceedings Article | 17 May 2007 Paper

Dye based light sensor for tag integration

I. Sayhan, B. Hoetzer, J. Woellenstein, E. Rose, Th. Becker

Proceedings Volume 6589, 65890A (2007) https://doi.org/10.1117/12.723758

KEYWORDS: Optical sensors, Polymers, Electrodes, Liquids, Polymeric sensors, Solar cells, Glasses, Molecules, Electrons, Transparent conductors

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Proceedings Article | 15 May 2007 Paper

Nano and micro stripe based metal oxide thin film gas sensor

Stefan Palzer, Emmanuel Moretton, Francisco Hernandez Ramirez, Albert Romano-Rodriguez, Juan Ramon Morante, Jürgen Wöllenstein

Proceedings Volume 6589, 658912 (2007) https://doi.org/10.1117/12.721856

KEYWORDS: Sensors, Oxides, Metals, Gas sensors, Carbon monoxide, Temperature metrology, Oxygen, Electrodes, Gallium, Humidity

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Proceedings Article | 15 May 2007 Paper

A compact optical ethylene monitoring system

J. Wöllenstein, S. Hartwig, J. Hildenbrand, Andre Eberhardt, M. Moreno, J. Santander, R. Rubio, J. Fonollosa, L. Fonseca

Proceedings Volume 6589, 658907 (2007) https://doi.org/10.1117/12.721822

KEYWORDS: Silicon, Optical filters, Sensors, Reflection, Fresnel lenses, Electronics, Absorption, Infrared sensors, Zinc, Lenses

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Proceedings Article | 21 April 2006 Paper

Fresnel lenses: study and fabrication in silicon technology for medium-IR applications

Jordi Fonollosa, Rafael Rubio, Jürgen Hildenbrand, Mauricio Moreno, Santiago Marco, Joaquín Santander, Luis Fonseca, Susanne Hartwig, Jürgen Wöllenstein

Proceedings Volume 6186, 61860R (2006) https://doi.org/10.1117/12.662793

KEYWORDS: Silicon, Fresnel lenses, Sensors, Lens design, Binary data, Infrared detectors, Absorption, Quantization, Refractive index, Antireflective coatings

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Proceedings Article | 27 February 2006 Paper

New infrared sources for breath analysis

A. Lambrecht, M. Braun, S. Hartwig, J. Nurnus, J. Wöllenstein, F. Weik, J. Tomm

Proceedings Volume 6093, 60930B (2006) https://doi.org/10.1117/12.644561

KEYWORDS: Carbon monoxide, Quantum cascade lasers, Vertical cavity surface emitting lasers, Infrared radiation, Sensors, Gas lasers, Light emitting diodes, Modulation, Absorption, Near infrared

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Proceedings Article | 1 July 2005 Paper

The influence of light on the gas sensitive properties of microstructured metal oxide thin films

E. Moretton, J. Hildenbrand, A. Lambrecht, J. Wollenstein

Proceedings Volume 5836, (2005) https://doi.org/10.1117/12.608599

KEYWORDS: Light emitting diodes, Oxides, Metals, Sensors, Zinc oxide, Carbon monoxide, Gas sensors, Resistance, Temperature metrology, Thin films

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Proceedings Article | 1 July 2005 Paper

Micromachined IR-source with excellent blackbody like behaviour

W. Konz, J. Hildenbrand, M. Bauersfeld, S. Hartwig, A. Lambrecht, V. Lehmann, J. Wollenstein

Proceedings Volume 5836, (2005) https://doi.org/10.1117/12.608712

KEYWORDS: Black bodies, Silicon, Absorption, Silicon films, Reflectivity, Carbon monoxide, Sensors, Platinum, Infrared radiation, Glasses

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Proceedings Article | 1 July 2005 Paper

A highly sensitive IR-optical sensor for ethylene-monitoring

S. Hartwig, J. Hildenbrand, M. Moreno, J. Fonollosa, L. Fonseca, J. Santander, R. Rubio, C. Cane, A. Lambrecht, J. Wollenstein

Proceedings Volume 5836, (2005) https://doi.org/10.1117/12.608615

KEYWORDS: Fresnel lenses, Sensors, Optical filters, Absorption, Signal processing, Modulation, Electronics, Filtering (signal processing), Signal detection, Mirrors

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Proceedings Article | 24 April 2003 Paper

Semiconductor gas sensor compatibility with CMOS technologies

Maria Jesus Lopez-Bosque, Jose Antonio Plaza, Joaquin Santander, Isabel Gracia, Carles Cane, Juergen Wollenstein, Emmanuel Moretton, Armin Lambrecht, Kari Schjolberg-Henriksen

Proceedings Volume 5116, (2003) https://doi.org/10.1117/12.499016

KEYWORDS: Semiconducting wafers, Silicon, Gas sensors, Glasses, Etching, Sensors, Platinum, CMOS technology, Electronics, Annealing

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