Dr. Ehud Shafir Profile

Dr. Ehud Shafir

Physist at Soreq Nuclear Research Ctr

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Author

Publications (14)

Proceedings Article | 3 August 2023 Paper

Response of differently inscribed fiber Bragg gratings to very high doses of ionizing radiation

S. Zilberman, G. Berkovic, Y. London, M. Dadon, E. Shafir, O. Ozeri, K. Ben-Meir, A. Krakovich, T. Makmal

Proceedings Volume 12643, 126433H (2023) https://doi.org/10.1117/12.2688843

KEYWORDS: Fiber Bragg gratings, Ionizing radiation, Femtosecond phenomena, Ultraviolet radiation, Reflection, Ion irradiation, Silica, Refractive index, Bragg wavelengths, Phase shift keying

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Proceedings Article | 19 May 2022 Presentation + Paper

Optomechanical measurements of optical fiber coating for radiation dosimetry and structural health monitoring

Shlomi Zilberman, Yosef London, Alon Bernstein, Kavita Sharma, Hilel H. Diamandi, Mirit Hen, Elad Zehavi, Gil Bashan, Garry Berkovic, Amnon Zentner, Moshe Mayoni, Ehud Shafir, Avi Zadok

Proceedings Volume 12140, 121400B (2022) https://doi.org/10.1117/12.2624394

KEYWORDS: Coating, Acoustics, Optical fibers, Reflection, Fiber coatings, Ionizing radiation, Radiation dosimetry, Gamma radiation, Fiber optics, Wave propagation

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Proceedings Article | 18 April 2021 Presentation + Paper

Characterization of radiation hardened fibers in a research grade nuclear reactor

G. Berkovic, S. Zilberman, E. Shafir, Y. London, M. Dadon, M. Alefe, K. Ben Meir, A. Krakovich, T. Makmal

Proceedings Volume 11773, 117730V (2021) https://doi.org/10.1117/12.2592525

KEYWORDS: Optical fibers, Sensors, Bragg gratings, Specialty optical fibers, Silica, Signal attenuation, Resistance, Polymer optical fibers, Medium wave, Ionizing radiation

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Proceedings Article | 28 August 2019 Paper

Strain sensing in rapidly rotating mechanical structures

S. Zilberman, G. Berkovic, Ehud Shafir, R. Alimi, Z. Wies, I. Shmueli, Y. Ben-Hemo

Proceedings Volume 11199, 111990A (2019) https://doi.org/10.1117/12.2539676

KEYWORDS: Collimators, Fiber Bragg gratings, Fiber optics sensors, Sensors, Optical alignment, Mechanical sensors, Spectroscopy

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Proceedings Article | 28 August 2019 Paper

Temperature independent heterodyne monitoring of strain induced picometer scale shifts in Bragg grating sensors

G. Berkovic, E. Shafir

Proceedings Volume 11199, 1119903 (2019) https://doi.org/10.1117/12.2539067

KEYWORDS: Heterodyning, Bragg gratings, Sensors, Fiber Bragg gratings, Tunable lasers, Phase shifts, Photodetectors, Oscilloscopes, Fourier transforms

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Proceedings Article | 14 May 2018 Paper

Ultrafast pressure measurement in shock wave research using fiber Bragg grating sensors

G. Berkovic, E. Shafir, S. Zilberman, Y. Saadi, O. Gillon, A. Fedotov Gefen, A. Ravid, Y. Schweitzer

Proceedings Volume 10654, 106540S (2018) https://doi.org/10.1117/12.2302801

KEYWORDS: Fiber Bragg gratings, Sensors, Dense wavelength division multiplexing, Ultrafast phenomena, Ultrafast measurement systems, Fiber optics sensors, Spectrum analysis

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Proceedings Article | 2 June 2014 Paper

Comparison of FBG responses to static and dynamic pressures

E. Shafir, S. Zilberman, A. Ravid, B. Glam, G. Appelbaum, A. Fedotov Gefen, Y. Saadi, N. Shafir, G. Berkovic

Proceedings Volume 9157, 915713 (2014) https://doi.org/10.1117/12.2059249

KEYWORDS: Fiber Bragg gratings, Optical filters, Electronic filtering, Water, Polymethylmethacrylate, Wave propagation, Sensors, Refractive index, Optical fibers, Liquids

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Proceedings Article | 2 July 2007 Paper

Multi-wavelength fiber-optic confocal position sensor with diffractive optics for enhanced measurement range

Garry Berkovic, Ehud Shafir, Michael Golub, Moshe Bril, Valery Shurman

Proceedings Volume 6619, 66190U (2007) https://doi.org/10.1117/12.738359

KEYWORDS: Diffractive optical elements, Confocal microscopy, Diffraction, Fiber optics sensors, Dispersion, Fiber optics, Sensors, Lenses, Position sensors, Fiber optics tests

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Proceedings Article | 21 June 2006 Paper

Remote optical monitoring of the expansion of a pressurized foil membrane

G. Berkovic, I. Silverman, D. Kijel, E. Shafir

Proceedings Volume 6345, 63451M (2006) https://doi.org/10.1117/12.693098

KEYWORDS: Mirrors, Optical interferometry, Sensors, Collimators, Particle beams, Reflectivity, Superluminescent sources, Protactinium, Interferometry, Liquids

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Proceedings Article | 28 September 2005 Paper

Multi-wavelength fiber optic displacement sensing

E. Shafir, G. Berkovic

Proceedings Volume 5952, 59520X (2005) https://doi.org/10.1117/12.621043

KEYWORDS: Fiber optics sensors, Fiber optics, Optical sensing, Dispersion, Optical fibers, Reflectivity, Target detection, Light, Geometrical optics, Sensors

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Proceedings Article | 2 October 1997 Paper

Long-term renewable sol-gel fluorescent optical fiber pH sensor

Oded Ben-David, Ehud Shafir, Irith Gilath, Yehiam Prior, David Avnir

Proceedings Volume 3136, (1997) https://doi.org/10.1117/12.279156

KEYWORDS: Sensors, Sol-gels, Optical fibers, Coating, Fiber optics sensors, Continuous wave operation, Luminescence, Cladding, Signal detection, Argon ion lasers

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Proceedings Article | 26 April 1996 Paper

Practical terminations for optical fibres embedded in composite materials

A. Green, S. Darvish, Ehud Shafir

Proceedings Volume 2779, (1996) https://doi.org/10.1117/12.237113

KEYWORDS: Composites, Optical fibers, Optics manufacturing, Adhesives, Optical signal processing, Signal processing, Structured optical fibers, Polishing, Standards development, Manufacturing

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Proceedings Article | 13 August 1993 Paper

Faraday-rotation fiber optic current sensor: response to different locations of the conductor

Moshe Tur, Amit Ben-kish, Ehud Shafir, N. Shaked

Proceedings Volume 1972, (1993) https://doi.org/10.1117/12.151119

KEYWORDS: Birefringence, Sensors, Fiber optics sensors, Fiber optics, Polarization, Measurement devices, Optical engineering, Magnetism, Polarizers, Fiber optics tests

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Proceedings Article | 1 April 1991 Paper

Portable fiber optic current sensor

Ehud Shafir, Amit Ben-kish, Naim Konforti, Moshe Tur

Proceedings Volume 1442, (1991) https://doi.org/10.1117/12.49066

KEYWORDS: Sensors, Fiber optics sensors, Birefringence, Fiber optics, Optical sensors, Magnetism, Polarizers, Head, Optical engineering, Polarization

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Showing 5 of 14 publications

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