Dr. Jochen Kuhnhenn Profile

Dr. Jochen Kuhnhenn

at Fraunhofer INT

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 12 July 2023 Open Access

Radiation tolerant frequency comb fiber laser for space applications

Matthias Lezius, Daniela Penka, Gilles Melin, Thierry Robin, Benoit Cadier, Jochen Kuhnhenn, Udo Weinand, Ronald Holzwarth

Proceedings Volume 12777, 127771Z (2023) https://doi.org/10.1117/12.2689947

KEYWORDS: Fiber lasers, Laser radiation, Laser irradiation, Oscillators, Frequency combs, Laser frequency, Laser stabilization, Astronomical imaging, Fiber optics, Erbium

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Proceedings Article | 4 March 2022 Presentation + Paper

Radiation tolerant frequency comb fiber laser for space applications

Matthias Lezius, Daniela Penka, Gilles Melin, Thierry Robin, Benoit Cadier, Jochen Kuhnhenn, Udo Weinand, Ronald Holzwarth

Proceedings Volume 11997, 119970G (2022) https://doi.org/10.1117/12.2608285

KEYWORDS: Fiber lasers, Oscillators, Amplifiers, Frequency combs, Absorption, Space operations, Manufacturing, Fiber amplifiers, Erbium, Power meters

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Proceedings Article | 11 June 2021 Open Access

Design and test of the optical fiber assemblies for the scalar magnetic field sensor aboard the JUICE mission

Irmgard Jernej, M. Faust, R. Lammegger, I. McKenzie, J. Kuhnhenn, C. Knothe, S. O'Riorden, J. Barbero, P. Brown, V. Lelievre, M. Agú, A. Alessi, C. Amtmann, A. Betzler, M. Dougherty, M. Ellmeier, C. Hagen, A. Hauser, M. Hartig, A. Lamott, M. Leichtfried, W. Magnes, A. Mahapatra, S. Mariojouls, D. Monteiro, A. Pollinger, A. Salomon, U. Weinand, R. Wolf

Proceedings Volume 11852, 1185264 (2021) https://doi.org/10.1117/12.2600052

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Proceedings Article | 11 June 2021 Open Access

Au coatings for spaced based reflectors

Stefan Schwinde, Svetlana Shestaeva, Sven Stempfhuber, Henrik von Lukowicz, Jochen Kuhnhenn, Sven Schröder

Proceedings Volume 11852, 118521Q (2021) https://doi.org/10.1117/12.2599299

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Proceedings Article | 12 July 2019 Open Access

Radiation testing of optical coatings: better testing with simulations

Jochen Kuhnhenn, Michael Steffens, Max Baum

Proceedings Volume 11180, 111804L (2019) https://doi.org/10.1117/12.2536084

KEYWORDS: Particles, Electrons, Silver, Optical coatings, Radiation effects, Coating, Interfaces, Aluminum, Monte Carlo methods, Silicon

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Proceedings Article | 5 January 2018 Open Access

Irradiation tests on optical fibers below 20 k

J. Kuhnhenn, S. Hoeffgen, O. Köhn, O. Schumann, U. Weinand, R. Wolf

Proceedings Volume 10563, 105632A (2018) https://doi.org/10.1117/12.2304236

KEYWORDS: Temperature metrology, Optical fibers, Signal attenuation, Optical testing, Astronomical imaging, Helium, Light sources, Atmospheric optics, Single mode fibers, Radiation effects

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Proceedings Article | 20 November 2017 Open Access

Proton radiation effects on the optical properties of vertically aligned carbon nanotubes

J. Kuhnhenn, V. Khavrus, A. Leonhardt, D. Eversheim, C. Noll, S. Hinderlich, A. Dahl

Proceedings Volume 10564, 1056427 (2017) https://doi.org/10.1117/12.2309070

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Proceedings Article | 17 November 2017 Open Access

Radiation tests on optical fibres: good and bad practice

J. Kuhnhenn

Proceedings Volume 10563, 105632R (2017) https://doi.org/10.1117/12.2304269

KEYWORDS: Optical fibers, Optical testing, Temperature metrology, Manufacturing, Standards development, Coating, Astronomical imaging, Ionizing radiation, Signal attenuation

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Proceedings Article | 17 November 2017 Open Access

First steps towards a distributed optical fiber radiation sensing system

I. Toccafondo, M. Brugger, F. Di Pasquale, E. Guillermain, J. Kuhnhenn

Proceedings Volume 10563, 105635G (2017) https://doi.org/10.1117/12.2304122

KEYWORDS: Optical fibers, Sensors, Sensing systems, Single mode fibers, Astronomical imaging, Spatial resolution, Signal attenuation, Light sources, Ionizing radiation, Multimode fibers

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Proceedings Article | 28 September 2015 Paper

HOBAN project: towards the development of radiation-tolerant fiber-based temperature sensors for nuclear industry

A. Morana, S. Girard, E. Marin, S. Rizzolo, C. Marcandella, P. Paillet, J. Périsse, J. Kuhnhenn, J. Grelin, G. Melin, T. Robin, B. Cadier, A. Boukenter, Y. Ouerdane, J.-R. Macé

Proceedings Volume 9634, 96347Z (2015) https://doi.org/10.1117/12.2195063

KEYWORDS: Fiber Bragg gratings, Sensors, Temperature sensors, Optical fibers, Temperature metrology, Environmental sensing, Fiber optics sensors, Lanthanum, Resistance, Commercial off the shelf technology

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Proceedings Article | 28 September 2015 Paper

Raman distributed temperature measurement at CERN high energy accelerator mixed field radiation test facility (CHARM)

Iacopo Toccafondo, Tiziano Nannipieri, Alessandro Signorini, Elisa Guillermain, Jochen Kuhnhenn, Markus Brugger, Fabrizio Di Pasquale

Proceedings Volume 9634, 963446 (2015) https://doi.org/10.1117/12.2191551

KEYWORDS: Temperature metrology, Raman spectroscopy, Optical fibers, Environmental sensing, High temperature raman spectroscopy, Sensing systems, Multimode fibers, Electronics, Spatial resolution, Sensors

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Proceedings Article | 28 April 2009 Paper

Radiation sensitivity of Bragg gratings written with femtosecond IR lasers

Dan Grobnic, Henning Henschel, Stefan Hoeffgen, Jochen Kuhnhenn, Stephen Mihailov, Udo Weinand

Proceedings Volume 7316, 73160C (2009) https://doi.org/10.1117/12.818157

KEYWORDS: Fiber Bragg gratings, Optical fibers, Ultraviolet radiation, Annealing, Hydrogen, Temperature metrology, Femtosecond phenomena, Manufacturing, Infrared lasers, Environmental sensing

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Proceedings Article | 23 May 2005 Paper

Fibre optic sensor solutions for particle accelerators

H. Henschel, M. Koerfer, J. Kuhnhenn, U. Weinand, F. Wulf

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.624039

KEYWORDS: Signal attenuation, Sensors, Electrons, Fiber optics sensors, Fiber optics, Particle accelerators, Optical fibers, Annealing, Electronics, Light emitting diodes

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Showing 5 of 13 publications

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