Prof. Wolfgang Schade Profile

Prof. Wolfgang Schade

Head of Fiber Optical Sensor Systems Dept at Fraunhofer HHI

SPIE Involvement:

Author

Publications (34)

Proceedings Article | 13 March 2024 Presentation

An accurate and cost-effective eFBG shape sensor for high spatial resolution deformation detection

Samaneh Manavi Roodsari, Martin Angelmahr, Oumeymah Cherkaoui, Wolfgang Schade, Philippe Cattin

Proceedings Volume PC12835, PC128350L (2024) https://doi.org/10.1117/12.3000531

KEYWORDS: Sensors, Deformation, Spatial resolution, Curvature sensing, Industrial applications, Fiber optics sensors, Biomedical applications, 3D modeling, Statistical modeling, Signal intensity

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Proceedings Article | 13 March 2024 Presentation + Paper

Fiber Bragg gratings in carbon-coated glass fibers for monitoring in harsh hydrogen environments

Ahmad Abdalwareth, Zhenyu Zhang, Günter Flachenecker, Andreas Pohlkötter, Martin Angelmahr, Wolfgang Schade

Proceedings Volume 12835, 128350P (2024) https://doi.org/10.1117/12.3002415

KEYWORDS: Fiber Bragg gratings, Carbon fibers, Hydrogen, Glasses, Femtosecond phenomena, Optical gratings, Femtosecond pulse shaping, Environmental monitoring, Polarization, Fiber lasers

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Proceedings Article | 11 March 2024 Presentation + Paper

Non-destructive technique for characterization fiber Bragg gratings via diffraction profile

Vladislav Reimer, Ahmad Abdalwareth, Günter Flachenecker, Ulrike Willer, Martin Angelmahr, Wolfgang Schade

Proceedings Volume 12893, 128930N (2024) https://doi.org/10.1117/12.3002504

KEYWORDS: Fiber Bragg gratings, Diffraction gratings, Diffraction, Optical fibers, Refractive index, Optical gratings, Bragg wavelengths

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Proceedings Article | 8 March 2024 Presentation + Paper

Optical evanescent field sensor based on point-by-point laser inscribed Bragg grating in planar polymer ridge waveguide

Zhenyu Zhang, Ahmad Abdalwareth, Martin Angelmahr, Günter Flachenecker, Wolfgang Schade

Proceedings Volume 12882, 128820C (2024) https://doi.org/10.1117/12.3002485

KEYWORDS: Sensors, Bragg gratings, Waveguides, Polymeric sensors

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Proceedings Article | 17 March 2023 Open Access

3D shape-sensor based on integrated optics in ultra-thin glass

Jannis Koch, Adrian Droste, Martin Angelmahr, Günter Flachenecker, Wolfgang Schade

Proceedings Volume 12424, 1242417 (2023) https://doi.org/10.1117/12.2650357

KEYWORDS: Bragg gratings, Sensors, Glasses, Waveguides, Bragg wavelengths, Refractive index, Reproducibility, Integrated optics, Reflection, Calibration

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Proceedings Article | 14 March 2023 Presentation + Paper

Apodized, plane-by-plane written chirped fiber Bragg gratings in polarization-maintaining fibers for dispersion control in all-fiber ultrafast lasers

Yannick Willer, Zhenyu Zhang, Martin Angelmahr, Günter Flachenecker, Ahmad Abdalwareth, Christoph Skrobol, Florian Tauser, Yik Long Li, Wolfgang Schade

Proceedings Volume 12417, 1241705 (2023) https://doi.org/10.1117/12.2647822

KEYWORDS: Fiber lasers, Dispersion, Fiber Bragg gratings, Ultrafast phenomena, Pulsed laser operation, Reflection, Laser systems engineering, Ultrafast lasers, Picosecond phenomena, Laser stabilization

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Proceedings Article | 6 March 2023 Presentation + Paper

Optical evanescent-wave hydrogen fiber sensor based on Bragg grating coated with nanoparticles

Ahmad Abdalwareth, Günter Flachenecker, Martin Angelmahr, Wolfgang Schade

Proceedings Volume 12372, 123720K (2023) https://doi.org/10.1117/12.2647674

KEYWORDS: Sensors, Hydrogen, Palladium, Nanoparticles, Fiber Bragg gratings, Fiber optics sensors, Nitrogen, Bragg gratings, Signal intensity, Reflection

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Proceedings Article | 18 April 2021 Presentation + Paper

Using supervised deep-learning to model edge-FBG shape sensors: a feasibility study

Samaneh Manavi, Tatiana Renna, Antal Horvath, Sara Freund, Azhar Zam, Georg Rauter, Wolfgang Schade, Philippe Cattin

Proceedings Volume 11772, 117720P (2021) https://doi.org/10.1117/12.2589252

KEYWORDS: Sensors, Fiber Bragg gratings, Mathematical modeling, 3D modeling, Surgery, Spatial resolution, Signal to noise ratio, Signal attenuation, Robots, Polarization

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Proceedings Article | 5 March 2021 Presentation + Paper

Compact detector unit based on the butterfly assembly for trace gas analysis

Tobias Milde, Morten Hoppe, Hervé Tatenguem, Sebastian Schmidtmann, Martin Honsberg, Christian Assmann, Wolfgang Schade, Joachim Sacher

Proceedings Volume 11697, 116970R (2021) https://doi.org/10.1117/12.2578935

KEYWORDS: Sensors, Data modeling, Quartz, Laser optics, Field programmable gate arrays, Carbon dioxide lasers, Atmospheric modeling, Semiconductor lasers, Safety, Product safety

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Proceedings Article | 1 March 2019 Presentation + Paper

Comparison of the spectral excitation behavior of methane according to InP, IC, and QC lasers as excitation source by QEPAS

Tobias Milde, Morten Hoppe, Herve Tatenguem, Christian Assmann, Wolfgang Schade, Joachim Sacher

Proceedings Volume 10917, 109171M (2019) https://doi.org/10.1117/12.2507180

KEYWORDS: Absorption, Methane, Quantum cascade lasers, Absorbance, Semiconductor lasers, Gallium antimonide, Sensors

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Proceedings Article | 19 February 2018 Paper

New GasB-based single-mode diode lasers in the NIR and MIR spectral regime for sensor applications

Tobias Milde, Morten Hoppe, Herve Tatenguem, Martin Honsberg, Mario Mordmüller, James O’Gorman, Wolfgang Schade, Joachim Sacher

Proceedings Volume 10553, 105530C (2018) https://doi.org/10.1117/12.2287702

KEYWORDS: Semiconductor lasers, Field programmable gate arrays, Carbon monoxide, Signal detection, Gallium antimonide, Gases, Absorption, Methane, Sensors, Molecules

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Proceedings Article | 3 June 2015 Paper

Photoacoustic sensing with micro-tuning forks

U. Willer, M. Köhring, M. Mordmüller, W. Schade

Proceedings Volume 9482, 94820B (2015) https://doi.org/10.1117/12.2182583

KEYWORDS: Photoacoustic spectroscopy, Methane, Sensors, Quartz, Acoustics, Resonators, Nitrogen, Signal generators, Modulation, Signal processing

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Proceedings Article | 3 June 2015 Paper

New design for a wavelength demultiplexing device

Konrad Bethmann, Rozalia Orghici, Elke Pichler, Urs Zywietz, Thomas Schimdt, Uwe Gleissner, Christian Kelb, Bernhard Roth, Carsten Reinhardt, Ulrike Willer, Wolfgang Schade

Proceedings Volume 9480, 948010 (2015) https://doi.org/10.1117/12.2183328

KEYWORDS: Waveguides, Polymers, Wave propagation, Refractive index, Computer aided design, Spectrometers, Microscopes, Light wave propagation, Waveguide modes, Optical design

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Proceedings Article | 13 May 2015 Paper

High frequency strain measurements with fiber Bragg grating sensors

J. Koch, M. Angelmahr, W. Schade

Proceedings Volume 9480, 94800Y (2015) https://doi.org/10.1117/12.2183324

KEYWORDS: Fiber Bragg gratings, Sensors, Fiber optics sensors, Tunable lasers, Photodiodes, Waveguides, Calibration, Signal detection, Optical amplifiers, Electromagnetic interference

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Proceedings Article | 13 May 2015 Paper

Fiber optical sensors for enhanced battery safety

Jan Meyer, Antonio Nedjalkov, Alexander Doering, Martin Angelmahr, Wolfgang Schade

Proceedings Volume 9480, 94800Z (2015) https://doi.org/10.1117/12.2183325

KEYWORDS: Sensors, Fiber Bragg gratings, Fiber optics sensors, Temperature metrology, Fiber optics, Safety, Lithium, Ions, Fiber optics tests, Glasses

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Proceedings Article | 13 May 2015 Paper

Femtosecond laser processing of evanescence field coupled waveguides in single mode glass fibers for optical 3D shape sensing and navigation

Christian Waltermann, Anna Lena Baumann, Konrad Bethmann, Alexander Doering, Jan Koch, Martin Angelmahr, Wolfgang Schade

Proceedings Volume 9480, 948011 (2015) https://doi.org/10.1117/12.2183334

KEYWORDS: Optical fibers, Sensors, Fiber Bragg gratings, Waveguides, Cladding, Femtosecond phenomena, Glasses, 3D surface sensing, Single mode fibers, Light

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Proceedings Article | 13 May 2015 Paper

Ring resonators in polymer foils for sensing of gaseous species

Elke Pichler, Konrad Bethmann, Urs Zywietz, Christian Spad, Uwe Gleissner, Christian Kelb, Bernhard Roth, Carsten Reinhardt, Ulrike Willer, Wolfgang Schade

Proceedings Volume 9486, 948613 (2015) https://doi.org/10.1117/12.2183336

KEYWORDS: Waveguides, Resonators, Polymers, Refractive index, Surface roughness, Polymer multimode waveguides, Sensors, Cladding, Scattering, Polymethylmethacrylate

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Proceedings Article | 18 March 2015 Paper

Integration of fiber optical shape sensing with medical visualization for minimal-invasive interventions

Torben Paetz, Christian Waltermann, Martin Angelmahr, Darko Ojdanic, Wolfgang Schade, Michael Witte, Horst Karl Hahn

Proceedings Volume 9415, 94150Z (2015) https://doi.org/10.1117/12.2081895

KEYWORDS: Visualization, Optical tracking, 3D modeling, Calibration, Systems modeling, Navigation systems, Sensing systems, Fiber Bragg gratings, Fiber optics, Visual process modeling

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Proceedings Article | 2 June 2014 Paper

Femtosecond laser aided processing of optical sensor fibers for 3D medical navigation and tracking (FiberNavi)

Christian Waltermann, Jan Koch, Martin Angelmahr, Wolfgang Schade, Michael Witte, Nils Kohn, Dirk Wilhelm, Armin Schneider, Silvano Reiser, Hubertus Feußner

Proceedings Volume 9157, 91577G (2014) https://doi.org/10.1117/12.2059599

KEYWORDS: Optical fibers, Sensors, Fiber Bragg gratings, Femtosecond phenomena, 3D surface sensing, Endoscopes, 3D metrology, Optical sensors, Optical tracking, Fiber optics sensors

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Proceedings Article | 2 June 2014 Paper

Fiber Bragg grating sensors for steel wire monitoring in real-time

Jan Koch, Martin Angelmahr, Wolfgang Schade

Proceedings Volume 9157, 9157A2 (2014) https://doi.org/10.1117/12.2059595

KEYWORDS: Sensors, Fiber Bragg gratings, Fiber optics sensors, Optical fibers, Glasses, Fiber optics, Ocean optics, Optical sensors, Americium, Safety

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Proceedings Article | 17 October 2012 Paper

Intensity-independent fiber coupled interrogation technique for fiber Bragg gratings by fiber Bragg gratings

Jörg Burgmeier, Jan Koch, Wolfgang Schade

Proceedings Volume 8421, 84215G (2012) https://doi.org/10.1117/12.975306

KEYWORDS: Fiber Bragg gratings, Temperature metrology, Photodiodes, Sensors, Fiber couplers, Femtosecond phenomena, Fiber optics sensors, Signal detection, Fabrication, Light sources

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Proceedings Article | 17 October 2012 Paper

Fiber optic bend and temperature sensing in femtosecond laser-structured POF

Sascha Liehr, Jörg Burgmeier, Katerina Krebber, Wolfgang Schade

Proceedings Volume 8421, 84213I (2012) https://doi.org/10.1117/12.976051

KEYWORDS: Scattering, Phase only filters, Backscatter, Laser scattering, Structured optical fibers, Femtosecond phenomena, Fiber lasers, Temperature metrology, Rayleigh scattering, Sensors

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Proceedings Article | 18 May 2011 Paper

Strain monitoring in power cables of offshore wind energy plants with femtosecond laser inscribed fibre Bragg gratings

Jörg Burgmeier, Peter Funken, Wolfgang Schade

Proceedings Volume 7753, 775382 (2011) https://doi.org/10.1117/12.886061

KEYWORDS: Fiber Bragg gratings, Sensors, Femtosecond phenomena, Wind energy, Reflection, Signal detection, Standards development, Structured optical fibers, Sensing systems, Wind turbine technology

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Proceedings Article | 24 January 2011 Paper

Photonic sensors for explosive detection

Ulrike Willer, Rozalia Orghici, Peter Lützow, Wolfgang Schade

Proceedings Volume 7945, 79452D (2011) https://doi.org/10.1117/12.872856

KEYWORDS: Sensors, Molecules, Resonators, Receptors, Waveguides, Microrings, Coating, Explosives detection, Explosives, Refraction

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SPIE Journal Paper | 1 November 2010

Use of quantum cascade lasers for detection of explosives: progress and challenges

Christoph Bauer, Ulrike Willer, Wolfgang Schade

OE, Vol. 49, Issue 11, 111126, (November 2010) https://doi.org/10.1117/12.10.1117/1.3498771

KEYWORDS: Quantum cascade lasers, Sensors, Explosives, Absorption, Explosives detection, Spectroscopy, Photoacoustic spectroscopy, Molecules, Head, Laser applications

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Proceedings Article | 13 October 2010 Paper

Trace detection of nitrogen-based explosives with UV-PLF

Jens-Uwe Guenther, Christian Bohling, Mario Mordmueller, Wolfgang Schade

Proceedings Volume 7838, 783807 (2010) https://doi.org/10.1117/12.865590

KEYWORDS: Explosives, NOx, Pulsed laser operation, Nitrous oxide, Molecules, Explosives detection, Aluminum, Sensors, Contamination, Ultraviolet radiation

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Proceedings Article | 17 September 2009 Paper

Rapid test for the detection of hazardous microbiological material

Mario Mordmueller, Christian Bohling, Andreas John, Wolfgang Schade

Proceedings Volume 7484, 74840F (2009) https://doi.org/10.1117/12.830200

KEYWORDS: Laser induced breakdown spectroscopy, Principal component analysis, Neural networks, Spectroscopy, Biological research, Data analysis, Pulsed laser operation, Plasma, Chemometrics, Spectral resolution

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Proceedings Article | 16 May 2008 Paper

Fiber-optic evanescent-field sensor device for CO2 and explosive detection

W. Schade, R. Orghici, U. Willer, S. Waldvogel

Proceedings Volume 7004, 700431 (2008) https://doi.org/10.1117/12.786017

KEYWORDS: Sensors, Carbon dioxide, Fiber optics sensors, Receptors, Absorption, Molecules, Fiber optics, Explosives detection, Explosives, Reflection

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Proceedings Article | 9 June 2004 Paper

Infrared evanescent-field fiber sensor for in situ mapping of volcano gases

Ulrike Willer, Christian Bohling, Peter Geiser, Wolfgang Schade

Proceedings Volume 5502, (2004) https://doi.org/10.1117/12.566699

KEYWORDS: Gases, Sensors, Fiber optics sensors, Carbon dioxide, Chemical analysis, Infrared sensors, Fiber optics, Fiber lasers, Laser optics, Spectroscopy

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Proceedings Article | 26 February 2001 Paper

MIR evanescent-field fiber sensors

Ulrike Willer, Torsten Blanke, Wolfgang Schade

Proceedings Volume 4205, (2001) https://doi.org/10.1117/12.417455

KEYWORDS: Semiconductor lasers, Fiber optics sensors, Sensors, Fiber lasers, Absorption, Spectroscopy, Refraction, Molecules, Signal processing, Difference frequency generation

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Proceedings Article | 16 September 1999 Paper

Spectroscopic applications of a widely tunable (6.8 to 12.5 um) cw DFG laser spectrometer

Torsten Blanke, Ulrike Willer, Wolfgang Schade

Proceedings Volume 3821, (1999) https://doi.org/10.1117/12.364174

KEYWORDS: Spectroscopy, Semiconductor lasers, Absorption, Mid-IR, Crystals, Molecules, Soil contamination, Signal processing, Tunable lasers, Laser crystals

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Proceedings Article | 21 October 1996 Paper

Diode laser MIR-DFG spectrometer for trace gas detection

Ulrike Willer, Torsten Blanke, Wolfgang Schade

Proceedings Volume 2834, (1996) https://doi.org/10.1117/12.255333

KEYWORDS: Carbon monoxide, Absorption, Spectroscopy, Crystals, Laser crystals, Silver thiogallate, Mid-IR, Semiconductor lasers, Nonlinear crystals, Phase matching

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Proceedings Article | 9 October 1995 Paper

Multiwavelength laser-induced fluorescence spectroscopy for quantitative classification of aromatic hydrocarbons

Jens Bublitz, Wolfgang Schade

Proceedings Volume 2504, (1995) https://doi.org/10.1117/12.224108

KEYWORDS: Luminescence, Laser induced fluorescence, Absorption, Contamination, Fluorescence spectroscopy, Laser spectroscopy, Excimers, Spectroscopy, Photon counting, Time resolved spectroscopy

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Proceedings Article | 20 September 1995 Paper

Quantitative diagnostics of flame radicals by picosecond LIF spectroscopy

A. Offt, A. Knaack, J. Waleswki, Wolfgang Schade

Proceedings Volume 2506, (1995) https://doi.org/10.1117/12.221002

KEYWORDS: Picosecond phenomena, Laser induced fluorescence, Luminescence, Polarization, Spectroscopy, Carbon dioxide, Diagnostics, Dye lasers, Fluorescence spectroscopy, Laser spectroscopy

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Showing 5 of 34 publications

Conference Committee Involvement (4)

SPIE Defense + Commercial Sensing

17 April 2016 | Baltimore, United States

SPIE Sensing Technology + Applications

20 April 2015 | Baltimore, United States

SPIE DSS

5 May 2014 | Baltimore, United States

SPIE Sensing Technology + Applications

5 May 2014 | Baltimore, United States

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