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3 October 2022 Germano-borate glasses containing high Dy3+ ion concentrations for Faraday device applications at 1550 nm
Linganna Kadathala, Ryu Yongtak, Khurram Naeem, Seongmin Ju, Won-Taek Han, Bok Hyeon Kim
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Proceedings Volume 12229, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVI; 122290C (2022) https://doi.org/10.1117/12.2642924
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States
Abstract
In this study, highly Dy3+-doped germano-borate glasses for different dopant concentrations ranging from 20 to 30 mol% were fabricated and their physical, optical, and MO properties were investigated. The characteristic thermal parameters disclosed good thermal stability of <100 °C against crystallization in the studied glasses. In addition, the glasses showed a high optical transmission of ~ 85% in the NIR region of 1550 nm. A very large Verdet constant of approximately -5.36 rad/(T·m) at 1550 nm was obtained in the glass containing 30 mol% Dy2O3. Therefore, this glass might be a promising MO material for applications in the NIR region.
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Linganna Kadathala, Ryu Yongtak, Khurram Naeem, Seongmin Ju, Won-Taek Han, and Bok Hyeon Kim "Germano-borate glasses containing high Dy3+ ion concentrations for Faraday device applications at 1550 nm", Proc. SPIE 12229, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVI, 122290C (3 October 2022); https://doi.org/10.1117/12.2642924
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KEYWORDS
Glasses
Dysprosium
Ions
Magneto-optics
Near infrared
Optical properties
Thermal analysis
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