Dr. Michael Willsch Profile

Dr. Michael Willsch

at Siemens AG

SPIE Involvement:

Author

Publications (26)

Proceedings Article | 28 August 2019 Paper

Compensation methods of the temperature dependence of glass ring type optical current sensors

M. Willsch, M. Richter, J. Kaiser, T. Bosselmann, T. Judendorfer

Proceedings Volume 11199, 1119904 (2019) https://doi.org/10.1117/12.2539114

KEYWORDS: Sensors, Fiber optics sensors, Birefringence, Temperature sensors, Glasses, Head, Optical fibers, Temperature metrology, Transformers, Fiber optics

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Proceedings Article | 23 April 2017 Paper

Rayleigh-based distributed temperature sensing and fiber Bragg grating point temperature sensing with a single optical fiber on high electrical potential of 1 MV

T. Ringel, M. Willsch, T. Bosselmann

Proceedings Volume 10323, 1032365 (2017) https://doi.org/10.1117/12.2263288

KEYWORDS: Fiber Bragg gratings, Temperature metrology, Optical fibers, Geometrical optics, Sensors, Backscatter, Transformers, Spatial resolution, Power supplies, Reflectivity

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Proceedings Article | 30 May 2016 Paper

Low temperature fiber optic pyrometer for fast time resolved temperature measurements

M. Willsch, T. Bosselmann, D. Gaenshirt, J. Kaiser, M. Villnow, M. Banda

Proceedings Volume 9916, 99160R (2016) https://doi.org/10.1117/12.2236913

KEYWORDS: Temperature metrology, Pyrometry, Fiber optics, Fiber optics tests, Sensors, Pyroelectric detectors, Optical fibers, Distributed computing, Indium gallium arsenide, Camera shutters, Signal detection, Diodes, Waveguides

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Proceedings Article | 28 September 2015 Paper

Design of a triangulation based fiber optical distance sensor for application in large rotating machines

Michael Willsch, Michael Villnow, Thomas Bosselmann

Proceedings Volume 9634, 96341X (2015) https://doi.org/10.1117/12.2195874

KEYWORDS: Sensors, Fiber optics sensors, Charge-coupled devices, Fiber optics, CCD image sensors, Electronics, Head, Signal detection, Optoelectronics, Distance measurement

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Proceedings Article | 2 June 2014 Paper

FBG system for temperature monitoring under electromagnetic immersed and harsh oil and gas reservoir environment

Michael Villnow, Thomas Bosselmann, Michael Willsch, Joachim Kaiser

Proceedings Volume 9157, 915797 (2014) https://doi.org/10.1117/12.2059296

KEYWORDS: Fiber Bragg gratings, Temperature metrology, Sensors, Raman spectroscopy, Multiplexing, Spatial resolution, Electromagnetism, Environmental monitoring, Fiber optics, Optical testing

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Proceedings Article | 2 June 2014 Paper

Investigation of low-cost two-wavelength interrogation for integration of different fiber optical temperature sensors into electric power facility monitoring systems

M. Willsch, J. Kaiser, T. Bosselmann, T. Wieduwilt, R. Willsch

Proceedings Volume 9157, 915796 (2014) https://doi.org/10.1117/12.2059269

KEYWORDS: Sensors, Fiber optics sensors, Fiber optics, Gallium arsenide, Temperature sensors, Fabry–Perot interferometers, Optical filters, Thin films, Crystals, Light emitting diodes

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Proceedings Article | 2 June 2014 Paper

Fiber optical magnetic field sensor for power generator monitoring

Michael Willsch, Thomas Bosselmann, Michael Villnow

Proceedings Volume 9157, 91578X (2014) https://doi.org/10.1117/12.2057460

KEYWORDS: Magnetism, Magnetic sensors, Sensors, Fiber optics, Crystals, Polarization, Fiber optics tests, Fiber optics sensors, Polarizers, Lead

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Proceedings Article | 20 May 2013 Paper

Long term reliability and machine operation diagnosis with fiber optic sensors at large turbine generators

T. Bosselmann, S. Strack, M. Villnow, J. Weidner, M. Willsch

Proceedings Volume 8794, 87943Y (2013) https://doi.org/10.1117/12.2024987

KEYWORDS: Sensors, Fiber optics sensors, Reliability, Fiber optics, Fiber Bragg gratings, Diagnostics, Temperature sensors, Electromagnetism, Renewable energy, Fiber optics tests

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Proceedings Article | 17 October 2012 Paper

Fiber optical sensor trends in the energy field

M. Willsch, T. Bosselmann, M. Villnow, W. Ecke

Proceedings Volume 8421, 84210R (2012) https://doi.org/10.1117/12.2007513

KEYWORDS: Fiber optics sensors, Sensors, Fiber optics, Fiber Bragg gratings, Wind energy, Temperature metrology, Temperature sensors, Combustion, Fiber optics tests, Copper

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Proceedings Article | 11 May 2012 Paper

Design validation of an air cooled turbo generator by using fibre optic sensors in a shop test

T. Bosselmann, M. Willsch, M. Villnow, S. Strack, V. Chernogorski, J. Weidner, R. Roeding, U. Schwanengel, L. Trefflich, S. Lindholm, E. Abromitis

Proceedings Volume 8370, 83700H (2012) https://doi.org/10.1117/12.918416

KEYWORDS: Sensors, Fiber optics sensors, Fiber optics, Fiber Bragg gratings, Lead, Temperature sensors, Wind energy, Temperature metrology, Modal analysis, Electromagnetism

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Proceedings Article | 31 January 2012 Paper

Fiber optical sensors in power generation

Michael Willsch

Proceedings Volume 8351, 835137 (2012) https://doi.org/10.1117/12.921746

KEYWORDS: Sensors, Fiber optics sensors, Fiber optics, Fiber Bragg gratings, Temperature metrology, Fiber optics tests, Head, Temperature sensors, Magnetic sensors, Magnetism

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Proceedings Article | 3 June 2011 Paper

Advanced spectral fiber optic sensor systems and their application in energy facility monitoring

Reinhardt Willsch, Wolfgang Ecke, Thomas Bosselmann, Michael Willsch, Eric Lindner, Hartmut Bartelt

Proceedings Volume 8028, 80280A (2011) https://doi.org/10.1117/12.887308

KEYWORDS: Sensors, Fiber Bragg gratings, Fiber optics sensors, Temperature metrology, Sapphire, Magnetism, Fiber optics, Magnetic sensors, Temperature sensors, Fiber optics tests

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Proceedings Article | 20 April 2011 Paper

Monitoring applications of power generators for the increase of energy efficiency using novel fiber optical sensors

Michael Villnow, Michael Willsch, Thomas Bosselmann, Bernhard Schmauss

Proceedings Volume 8065, 806506 (2011) https://doi.org/10.1117/12.882864

KEYWORDS: Sensors, Fiber optics sensors, Fiber optics, Fiber Bragg gratings, Magnetic sensors, Fiber optics tests, Magnetism, Mirrors, Temperature metrology, Head

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Proceedings Article | 9 September 2010 Paper

Fiber optic sensor solutions for increase of efficiency and availability of electric power generators

M. Willsch, T. Bosselmann, M. Villnow

Proceedings Volume 7653, 765337 (2010) https://doi.org/10.1117/12.866432

KEYWORDS: Sensors, Fiber optics sensors, Fiber optics, Fiber Bragg gratings, Magnetism, Magnetic sensors, Head, Fiber optics tests, Temperature sensors, Temperature metrology

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Proceedings Article | 5 October 2009 Paper

Design of fiber optical high temperature sensors for gas turbine monitoring

M. Willsch, T. Bosselmann, P. Flohr, R. Kull, W. Ecke, I. Latka, D. Fischer, T. Thiel

Proceedings Volume 7503, 75037R (2009) https://doi.org/10.1117/12.835875

KEYWORDS: Sensors, Fiber Bragg gratings, Sapphire, Fiber optics sensors, Temperature metrology, Temperature sensors, Fiber optics, Gas sensors, Combustion, Ceramics

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Proceedings Article | 16 May 2008 Paper

FBG sensor interrogation on rotating parts of large machines in power generation plants

M. Willsch, T. Bosselmann, W. Ecke, I. Latka, M. Müller, H. Adolf

Proceedings Volume 7004, 70045I (2008) https://doi.org/10.1117/12.786345

KEYWORDS: Sensors, Collimators, Fiber Bragg gratings, Fiber optics sensors, Multimode fibers, Single mode fibers, Light sources, Silver, Gas sensors, Speckle pattern

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Proceedings Article | 16 May 2008 Paper

Fiber optical temperature and strain measurements for monitoring and quench detection of superconducting coils

M. Willsch, H. Hertsch, T. Bosselmann, M. Oomen, W. Ecke, I. Latka, H. Höfer

Proceedings Volume 7004, 70045G (2008) https://doi.org/10.1117/12.786335

KEYWORDS: Sensors, Fiber Bragg gratings, Superconductors, Temperature metrology, Helium, Magnetism, Fiber optics tests, Fiber optics, Fiber optics sensors, Superconducting detectors

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Proceedings Article | 11 April 2008 Paper

The rising demand for energy: a potential for optical fiber sensors in the monitoring sector

Thomas Bosselmann, Michael Willsch, Wolfgang Ecke

Proceedings Volume 6933, 69330G (2008) https://doi.org/10.1117/12.780718

KEYWORDS: Fiber optics sensors, Fiber optics, Sensors, Wind energy, Transformers, Reliability, Solar energy, Temperature sensors, Temperature metrology, Safety

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Proceedings Article | 22 April 2006 Paper

Monitoring of inhomogeneous flow distributions using fibre-optic Bragg grating temperature sensor arrays

Ines Latka, Thomas Bosselmann, Wolfgang Ecke, Michael Willsch

Proceedings Volume 6189, 61892G (2006) https://doi.org/10.1117/12.668899

KEYWORDS: Sensors, Fiber Bragg gratings, Capillaries, Temperature metrology, Spatial resolution, Fiber optics, Optical fibers, Gas sensors, Multiplexing, Signal processing

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Proceedings Article | 23 May 2005 Paper

Distributed optical flow sensing using a novel fiber Bragg grating sensor

Michael Willsch, Thomas Bosselmann, P. Kraemmer, R. Gerner

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.624023

KEYWORDS: Sensors, Temperature metrology, Fiber Bragg gratings, Resistance, Optical flow, Optical sensing, Calibration, Spatial resolution, Fiber optics sensors, Fiber optics tests

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Proceedings Article | 9 June 2004 Paper

Optical monitoring of highly stressed infrastructure and rolling stock modules for railway system operation

Nils Theune, Thomas Bosselmann, Michael Willsch, J. Kaiser, H. Hertsch, R. Roeckelein, K. Schleicher, R. Puschmann

Proceedings Volume 5502, (2004) https://doi.org/10.1117/12.566693

KEYWORDS: Sensors, Fiber Bragg gratings, Temperature metrology, Carbon, Temperature sensors, Data acquisition, Modeling, Power supplies, Silver, Time metrology

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Proceedings Article | 9 November 2000 Paper

3 phase optical voltage sensing with fiber optical electric field probes in power switch yards

M. Willsch

Proceedings Volume 4185, 41855W (2000) https://doi.org/10.1117/12.2302355

KEYWORDS: Sensors, Crystals, Switches, Fiber optics sensors, Fiber optics, Bragg gratings, Dielectrics, Optical sensing, Optical testing, Signal processing

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Proceedings Article | 31 August 2000 Paper

Highly sensitive micro-mechanical fiber Bragg grating acceleration sensor combined with a new multiplexable interrogation principle

Michael Willsch, Peter Kraemmer, Nils Theune, H. Hertsch, M. Rothardt, Wolfgang Ecke, M. Waechter

Proceedings Volume 4074, (2000) https://doi.org/10.1117/12.397904

KEYWORDS: Sensors, Fiber Bragg gratings, Modulation, Interferometers, Diodes, Wavelength division multiplexing, Signal detection, Reflectivity, Light sources, Temperature metrology

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Proceedings Article | 31 August 2000 Paper

Multiplexed temperature measurement for power generators

Nils Theune, Michael Willsch, Thomas Bosselmann, M. Kaufmann, Peter Kraemmer, J. Kaiser

Proceedings Volume 4074, (2000) https://doi.org/10.1117/12.397885

KEYWORDS: Temperature metrology, Fiber Bragg gratings, Temperature sensors, Sensors, Manufacturing, Epoxies, Packaging, Copper, Fiber optics, Multiplexing

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Proceedings Article | 1 September 1999 Paper

Multiple sensor optical fiber network for vibration monitoring

M. Willsch

Proceedings Volume 3746, 374619 (1999) https://doi.org/10.1117/12.2302035

KEYWORDS: Sensors, Signal processing, Optical fibers, Sensor networks, Fiber optics sensors, Digital signal processing, Optical networks, Modulation, Mirrors, Signal to noise ratio

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Proceedings Article | 1 September 1999 Paper

Extension of the measuring range of magneto optic current sensors using two wavelengths evaluation

M. Willsch

Proceedings Volume 3746, 37462E (1999) https://doi.org/10.1117/12.2302076

KEYWORDS: Sensors, Magnetic sensors, Polarization, Beam splitters, Chlorine, Signal processing, Sensor performance, Transformers, Semiconductor lasers, Optical filters

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Showing 5 of 26 publications

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