DataVXChalcogenide LettersPaper
journal article·2021-09

Investigation of the structural and magnetic properties of TeO2- based glasses modified by rare earth (La2O3, Gd2O3, Er2O3, and Ho2O3) using as an optical isolator

Department of Physics, Faculty of Science and Arts, Najran University, Saudi Arabia., A. M. Al-Syadi, M. Alfarh, Physics Dep., Faculty of Science, King Khalid University, P. O. Box 9004, Abha, Saudi Arabia, Research Center for Advanced Materials Science (RCAMS), King Khalid University, Postcode: 9004, Zip code: 61413, Abha, Saudi Arabia, H. Algarni, Physics Dep., Faculty of Science, King Khalid University, P. O. Box 9004, Abha, Saudi Arabia, Research Center for Advanced Materials Science (RCAMS), King Khalid University, Postcode: 9004, Zip code: 61413, Abha, Saudi Arabia, M. S. Alqahtani, Department of Radiological Sciences, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia., M. Reben, Faculty of Materials Science and Ceramics, AGH – University of Science and Technology, al. Mickiewicza 30, 30-059 Cracow, Poland, H. Afifi, Ultarsonic Laboratory, National Institute for Standards, Tersa Street El-haram, El-Giza, P.O. Box 136, Code N 12211, Egypt, El Sayed Yousef, Physics Dep., Faculty of Science, King Khalid University, P. O. Box 9004, Abha, Saudi Arabia, Research Center for Advanced Materials Science (RCAMS), King Khalid University, Postcode: 9004, Zip code: 61413, Abha, Saudi Arabia, Physics department, Faculty of Science, Al Azhar University, Assiut Branch, Egypt

Chalcogenide Letters· Volume 18· Issue 9
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Source abstract

Abstract

Tellurite glasses with a composition of 76TeO2-10ZnO-9PbO-1.0PbF2-3.0Nb2O5- 1.0 x in mol% modified with different rare earth oxides (where x= La2O3, Gd2O3, Er2O3, and Ho2O3). The magnetic properties such as; Faraday effect and the Verdet constant at the intensity of the laser beam (λ = 632 nm) of the present glasses were measured. The glass contains La2O3 has the highest value of Verdet constant, (V = 0.102min/G.cm) otherwise the sample has Ho2O3 has the lowest value of Verdet constant (V = 0.069 min/G.cm). It means that V- value strongly depends on the polarizability of rare earth. An optical isolator is a unidirectional light gate, which can prevent the back reflection of light into lasers or optical amplifiers and reduce signal instability and noise. Finally, the structure of prepared glasses was investigated by Raman spectra.
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Research context

Ceramics & glasses

OpenAlex topics: Glass properties and applications · Magneto-Optical Properties and Applications · Surface Roughness and Optical Measurements

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