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El Sayed Yousef

King Khalid University

SCHOLARLY PAPERS

3

DOWNLOADS

182

TOTAL CITATIONS

0

Scholarly Papers (3)

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1.

Erbium Doped Fluorotellurite – Phosphate Glasses for Efficient Green Light Emission

Downloads 74 (875,328)

Erbium Doped Fluorotellurite – Phosphate Glasses for Efficient Green Light Emission

Number of pages: 27 Posted: 30 Oct 2025
Bozena Burtan-Gwizdała, Manuela Reben, El Sayed Yousef, Radosław Lisiecki, Iwona Grelowska, Natalia Nosidlak and Bozena Jarzabek
Cracow University of Technology, AGH University of Science and Technology, King Khalid University, Polish Academy of Sciences (PAS) - Institute of Low Temperature and Structure Research, AGH University of Krakow, Cracow University of Technology and affiliation not provided to SSRN
Downloads 39 (1,252,562)

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tellurite glasses, Judd-Ofelt

Erbium Doped Fluorotellurite – Phosphate Glasses for Efficient Green Light Emission

Number of pages: 27 Posted: 30 Oct 2025
Bozena Burtan-Gwizdała, Manuela Reben, El Sayed Yousef, Radosław Lisiecki, Iwona Grelowska, Natalia Nosidlak and Bozena Jarzabek
Cracow University of Technology, AGH University of Science and Technology, King Khalid University, Polish Academy of Sciences (PAS) - Institute of Low Temperature and Structure Research, AGH University of Krakow, Cracow University of Technology and affiliation not provided to SSRN
Downloads 35 (1,311,254)

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tellurite glasses, Judd-Ofelt

2.

La2O3, Ce2O3, Sm2O3, Er2O3, Yb2O3 Doped Telluride Glasses: Approach to Enhance Radiation Protection

Number of pages: 22 Posted: 31 Aug 2023
Mohammed S. Alqahtani, Awad Almarhaby, Khalid I. Hussein, Nehal Elkhoshkhany, Ali Mohammad Alshehri, Manuela Reben, Fawaz F. Alqahtani and El Sayed Yousef
King Khalid University, King Fahad General Hospital, King Khalid University, Jouf University, King Khalid University, AGH University of Science and Technology, Najran University and King Khalid University
Downloads 56 (1,000,027)

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Radiation shielding parameters, tellurite glass, rare earth ions, half-value layer, mass attenuation coefficient, mean free path

3.

Tuned Luminescence of Heavy Halide Glasses Doped with Rare Earth for Photonic Application

Number of pages: 24 Posted: 22 Aug 2023
Ali Mohammad Alshehri, Bilel Charfi, Wejdan H. Al-yami, Ramzi Maalej, Kamel Damak, Khalid I. Hussein, Mohammed S. Alqahtani, Manuela Reben and El Sayed Yousef
King Khalid University, University of Sfax, King Khalid University, University of Sfax, University of Sfax, King Khalid University, King Khalid University, AGH University of Science and Technology and King Khalid University
Downloads 52 (1,041,696)

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Optical properties, tellurite glasses, spectroscopic quality factor, gain coefficient, McCumber theory