Dr. Hrvoje Gebavi Profile

Dr. Hrvoje Gebavi

Research Assistant at Ruder Boškovic Institute

SPIE Involvement:

Author

Area of Expertise:

tellurite glasses , photodarkening , thulium , ytterbium , holmium , optical fibers

- graduated in experimental physics
- PhD degree in ‘Materials Science and Technology’. Thesis title: ’Rare Earth Doped Glass Optical Fibers for Photonic Applications’.
-skills: tellurite glass fabrication and characterization; silica fiber characterization - photodarkening test.
- interest: material science, photonics and various interdisciplinary fields research

Proceedings Article | 28 September 2023 Presentation + Paper

Plasma torch produced Er3+ doped tellurite whispering gallery mode microresonator for lasing application

Snigdha Thekke Thalakkal, Davor Ristić, Gualtiero Nunzi Conti, Stefano Pelli, Gabriele Frigenti, Hrvoje Gebavi, Alessandro Chiasera, Mile Ivanda

Proceedings Volume 12665, 1266502 (2023) https://doi.org/10.1117/12.2673407

KEYWORDS: Erbium, Glasses, Microspheres, Plasma, Luminescence, Whispering gallery modes, Microresonators, Ions, Telecommunications, Fabrication

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Proceedings Article | 5 June 2018 Presentation + Paper

Impact of the reverse cross-relaxation process on pumping efficiency in Tm-doped glass lasers materials

A. Albalawi, H. Gebavi, A. Chiasera, R. Balda, A. Lukowiak, W. Blanc, W. Albalawi, M. Ferrari, S. Taccheo

Proceedings Volume 10683, 106830D (2018) https://doi.org/10.1117/12.2306082

KEYWORDS: Glasses, Doping, Laser applications, Laser glasses, Thulium, Luminescence, Semiconductor lasers, Physics, Process modeling, Ions

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Proceedings Article | 17 May 2018 Presentation + Paper

Lasing properties of Er3+ activated SiO2-HfO2 coated microspheres

Davor Ristić, Andrea Chiappini, Maurizio Mazzola, Patrice Féron, Hrvoje Gebavi, Daniil Zhivotkov, Mile Ivanda, Maurizio Ferrari

Proceedings Volume 10683, 106830G (2018) https://doi.org/10.1117/12.2306773

KEYWORDS: Coating, Optical spheres, Erbium, Active optics, Luminescence, Microresonators, Spherical lenses, Silica, Visible radiation, Nonlinear optics

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Proceedings Article | 16 March 2015 Paper

Comparison of photodarkening in 1030nm and 1070nm Yb-doped fibre lasers

Hrvoje Gebavi, Alessandro Chiasera, Maurizio Ferrari, David Mechin, Thierry Robin, Stefano Taccheo

Proceedings Volume 9359, 935912 (2015) https://doi.org/10.1117/12.2081110

KEYWORDS: Fiber lasers, Ytterbium, Photons, Fiber Bragg gratings, Absorption, Data modeling, Wavelength division multiplexing, Reflectivity, Semiconductor lasers, Helium neon lasers

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Proceedings Article | 22 March 2013 Paper

Photobleaching investigation of photo-darkened fiber using 633 nm irradiation: evidence of color center time evolution and losses mitigation

H. Gebavi, S. Taccheo, D. Mechin, D. Tregoat, A. Monteville, B. Cadier, T. Robin

Proceedings Volume 8601, 86013C (2013) https://doi.org/10.1117/12.2005857

KEYWORDS: Color centers, Doping, Photons, Optical fibers, Ultraviolet radiation, Fiber lasers, Laser optics, Silica, Active optics, UV optics

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Proceedings Article | 11 March 2013 Paper

Photodarkening: investigation, mitigation and figure of merit

Hrvoje Gebavi, Stefano Taccheo, Laurent LaBlonde, Benoit Cadier, Thierry Robin, Achille Monteville, Olivier Le Goffic, David Landais, David Méchin, Denis Tregoat, Daniel Milanese, Lasse Leick, Tim Durrant, Thomas Brandt

Proceedings Volume 8621, 86210W (2013) https://doi.org/10.1117/12.2008184

KEYWORDS: Fiber lasers, Ytterbium, Doping, Visible radiation, Switches, Fiber Bragg gratings, Glasses, Data modeling, Color centers, Ultraviolet radiation

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Proceedings Article | 15 May 2012 Paper

Photodarkening measurements in Yb-doped silica fibers in correlation with cooperative luminescence

Hrvoje Gebavi, Stefano Taccheo, Daniel Milanese, Achille Monteville, Olivier Le Goffic, David Landais, David Mechin, Denis Tregoat, Benoit Cadier, Thierry Robin

Proceedings Volume 8433, 843322 (2012) https://doi.org/10.1117/12.948281

KEYWORDS: Luminescence, Optical fibers, Ions, Ytterbium, Absorption, Color centers, Fiber lasers, Helium neon lasers, Semiconductor lasers, Wavelength division multiplexing

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Proceedings Article | 2 March 2012 Paper

Novel calculation for cross-relaxation energy transfer parameter applied on thulium highly-doped tellurite glasses

Masud Taher, Hrvoje Gebavi, Stefano Taccheo, Daniel Milanese, Rolindes Balda

Proceedings Volume 8257, 825707 (2012) https://doi.org/10.1117/12.910380

KEYWORDS: Glasses, Thulium, Ions, Doping, Energy transfer, Laser applications, Luminescence, Chromium, Physics, Laser development

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Proceedings Article | 16 February 2012 Paper

Stefano Taccheo, Hrvoje Gebavi, Achille Monteville, Olivier Le Goffic, Daniel Landais, David Mechin, Denis Tregoat, Benoit Cadier, Thierry Robin, Daniel Milanese, Tim Durrant

Proceedings Volume 8237, 82373D (2012) https://doi.org/10.1117/12.910382

KEYWORDS: Optical fibers, Ytterbium, Doping, Ions, Fiber lasers, Wavelength division multiplexing, Absorption, Diodes, Luminescence, Error analysis

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Proceedings Article | 7 April 2011 Paper

Lifetime and cross-relaxation in highly Tm-doped glasses for 2 micron lasers

M. Taher, H. Gebavi, S. Taccheo, L. Jousteau, D. Milanese, N. Peyghambarian

Proceedings Volume 7934, 793407 (2011) https://doi.org/10.1117/12.872848

KEYWORDS: Glasses, Ions, Chromium, Thulium, Semiconductor lasers, Optical properties, Zinc oxide, Radiation effects, Photodiodes, Fiber amplifiers

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Proceedings Article | 26 February 2010 Paper

Spectroscopy of Yb:Tm doped tellurite glasses for efficient infrared fiber laser

H. Gebavi, M. Taher, J. Lousteau, D. Milanese, S. Taccheo, A. Schulzgen, M. Ferraris, N. Peyghambarian

Proceedings Volume 7598, 759820 (2010) https://doi.org/10.1117/12.843017

KEYWORDS: Glasses, Thulium, Fiber lasers, Ions, Spectroscopy, Refractive index, Luminescence, Doping, Infrared lasers, Infrared spectroscopy

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