Dr. Klaus M. Bohnert Profile

Dr. Klaus M. Bohnert

Senior Principal Scientist

SPIE Involvement:

Author

Area of Expertise:

Sensors , Fiber-optic sensors , Laser spectroscopy , Opto-electronics , Electric power transmission and distribution

Publications (12)

Proceedings Article | 14 May 2018 Paper

Fiber optic current and voltage sensors for electric power transmission systems

Klaus Bohnert, Andreas Frank, Georg Müller, Lin Yang, Miklos Lenner, Philippe Gabus, Xun Gu, Sergio Marchese

Proceedings Volume 10654, 1065402 (2018) https://doi.org/10.1117/12.2303945

KEYWORDS: Sensors, Fiber optics sensors, Crystals, Phase shifts, Dielectrics, Fiber optics, Birefringence, Electro optics, Wave plates, Optical sensors

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Proceedings Article | 2 June 2014 Paper

Temperature compensation of fiber-optic current sensors

Georg Müller, Lin Yang, Berkan Gülenaltin, Andreas Frank, Klaus Bohnert

Proceedings Volume 9157, 915705 (2014) https://doi.org/10.1117/12.2059035

KEYWORDS: Sensors, Wave plates, Birefringence, Fiber optics sensors, Temperature metrology, Fiber optics, Phase shifts, Polarization, Magneto-optics, Signal processing

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Proceedings Article | 5 October 2009 Paper

Interrogation of birefingent fiber sensors using non-reciprocal phase modulation

Stephan Wildermuth, Klaus Bohnert, Hubert Brändle

Proceedings Volume 7503, 750344 (2009) https://doi.org/10.1117/12.833589

KEYWORDS: Sensors, Fiber optics sensors, Phase modulation, Interferometers, Transducers, Phase shifts, Polarization, Polarimetry, Modulators, Signal processing

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Proceedings Article | 18 May 2009 Paper

Influence of residual fiber birefringence and temperature on the high-current performance of an interferometric fiber-optic current sensor

Robert Wüest, Andreas Frank, Samuel Wiesendanger, Philippe Gabus, Urs Meier, Jürgen Nehring, Klaus Bohnert

Proceedings Volume 7356, 73560K (2009) https://doi.org/10.1117/12.820589

KEYWORDS: Sensors, Birefringence, Wave plates, Fiber optics sensors, Phase shifts, Fiber optics, Magneto-optics, Magnetic sensors, Sensor performance, Temperature metrology

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Proceedings Article | 16 May 2008 Paper

Nonlinearities in the high-current response of interferometric fiber-optic current sensors

Klaus Bohnert, Philippe Gabus, Jürgen Nehring, Samuel Wiesendanger, Andreas Frank, Hubert Brändle

Proceedings Volume 7004, 70040E (2008) https://doi.org/10.1117/12.785758

KEYWORDS: Sensors, Fiber optics sensors, Wave plates, Fiber optics, Phase shifts, Polarization, Magneto-optics, Interferometry, Signal processing, Temperature metrology

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Proceedings Article | 23 May 2005 Paper

Fiber-optic dc current sensor for the electro-winning industry

Klaus Bohnert, Philippe Gabus, Hubert Braendle, Peter Guggenbach

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623794

KEYWORDS: Sensors, Fiber optics sensors, Fiber optics, Wave plates, Head, Transducers, Magnetism, Gyroscopes, Magneto-optics, Phase shifts

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Proceedings Article | 1 September 2004 Paper

Investigations on the stability of polarimetric fiber laser sensors in harsh environments

Andreas Frank, Klaus Bohnert, Karim Haroud, Hubert Braendle

Proceedings Volume 5459, (2004) https://doi.org/10.1117/12.543980

KEYWORDS: Sensors, Fiber lasers, Fiber Bragg gratings, Temperature metrology, Polarization, Silicon, Fiber coatings, Polarimetry, Erbium, Reflectors

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Proceedings Article | 9 November 2000 Paper

Temperature and vibration insensitive fiber-optic current sensor

K. Bohnert

Proceedings Volume 4185, 41854X (2000) https://doi.org/10.1117/12.2302320

KEYWORDS: Sensors, Fiber optics sensors, Polarization, Wave plates, Fiber optics, Capillaries, Phase shifts, Gyroscopes, Optical fibers, Magnetic sensors

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SPIE Journal Paper | 1 November 2000

Fiber optic voltage sensor for 420 kV electric power systems

Klaus Bohnert, Jadran Kostovic, P. Pequignot

OE, Vol. 39, Issue 11, (November 2000) https://doi.org/10.1117/12.10.1117/1.1315023

KEYWORDS: Sensors, Crystals, Quartz, Fiber optics sensors, Dielectrics, Electrodes, Electric field sensors, Polyurethane, Transducers, Fiber optics

Proceedings Article | 29 December 1999 Paper

Mechanical and optical reliability of fiber Bragg grating strain and temperature sensors at high temperature

Philipp Nellen, Pascal Mauron, Andreas Frank, P. Pequignot, Klaus Bohnert, H. Brandle, Urs Sennhauser

Proceedings Volume 3848, (1999) https://doi.org/10.1117/12.372772

KEYWORDS: Sensors, Reliability, Fiber Bragg gratings, Temperature metrology, Reflectivity, Refractive index, Annealing, Corrosion, Modulation, Coating

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Proceedings Article | 18 June 1998 Paper

Stable class 0.2 Sagnac current sensor using an annealed fiber sensor coil

T. Nielsen, Klaus Bohnert

Proceedings Volume 3483, (1998) https://doi.org/10.1117/12.309671

KEYWORDS: Sensors, Fiber optics sensors, Gyroscopes, Annealing, Interference (communication), Magnetic sensors, Wave plates, Optical fibers, Magnetism, Birefringence

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Proceedings Article | 14 September 1994 Paper

Field test of interferometric optical fiber high-voltage and current sensors

Klaus Bohnert, H. Braendle, G. Frosio

Proceedings Volume 2360, (1994) https://doi.org/10.1117/12.185032

KEYWORDS: Sensors, Fiber optics sensors, Interferometry, Optical fibers, Polarization, Phase shift keying, Geographic information systems, Optical sensors, Transducers, Semiconductor lasers

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Showing 5 of 12 publications

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