Double-doped borate glass light guide with high luminance

Michelle Grüne; Bernd Ahrens; Peter W. Nolte; Stefan Schweizer

doi:10.1117/12.2621250

25 May 2022 Double-doped borate glass light guide with high luminance

Michelle Grüne, Bernd Ahrens, Peter W. Nolte, Stefan Schweizer

Proceedings Volume 12142, Fiber Lasers and Glass Photonics: Materials through Applications III; 1214209 (2022) https://doi.org/10.1117/12.2621250
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

The luminescence properties of Dy³⁺ and Tb3+ single- as well as Dy³⁺ / Tb³⁺ double-doped barium borate glasses are investigated for their potential as light-converter. In double-doped barium borate glass an energy transfer from Dy³⁺ to Tb₃₊ is observed, i.e., an intense green luminescence from the doped Tb³⁺ ions results upon excitation at Dy³⁺-related absorption bands. Ray-tracing simulations allow for an evaluation of singleand double-doped light guides in different length. Here, the luminous flux and luminance values at the rough output face of a luminescent light guide are determined.

Conference Presentation

Citation Download Citation

Michelle Grüne, Bernd Ahrens, Peter W. Nolte, and Stefan Schweizer "Double-doped borate glass light guide with high luminance", Proc. SPIE 12142, Fiber Lasers and Glass Photonics: Materials through Applications III, 1214209 (25 May 2022); https://doi.org/10.1117/12.2621250

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