Optical spectroscopy of Ho3+ doped low-phonon glasses for mid-IR laser gain materials

Ei E. Brown

doi:10.1117/12.2665018

15 June 2023 Optical spectroscopy of Ho3+ doped low-phonon glasses for mid-IR laser gain materials

Ei E. Brown

Proceedings Volume PC12515, Laser Technology for Defense and Security XVIII; PC1251505 (2023) https://doi.org/10.1117/12.2665018
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States

Abstract

The optical properties of rare-earth (RE) activated materials have been extensively investigated for their potential as solid-state laser gain media. More recently, mid-IR gain and lasing from RE3+ (Tb3+, Pr3+, Ce3+) doped low-phonon selenide-based chalcogenide glasses have sparked further development of this class of materials which have shown lifetimes on the order of millisecond for mid-IR transitions. In this work, mid-IR (3 - 5 micron) spectroscopic study was performed on the Ho3+ doped low-phonon sulfide and selenide-based chalcogenides glasses as well as indium fluoride glasses, which were prepared by melt quenching technique.

Conference Presentation

Citation Download Citation

Ei E. Brown "Optical spectroscopy of Ho3+ doped low-phonon glasses for mid-IR laser gain materials", Proc. SPIE PC12515, Laser Technology for Defense and Security XVIII, PC1251505 (15 June 2023); https://doi.org/10.1117/12.2665018

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