Energy migration and up-conversion in Cs2NaErxY1-xCl6 at 1.2 K

Maya Campbell; Werner Humbs; Johann Strasser; Hartmut Yersin; Colin D. Flint

doi:10.1117/12.293432

1 November 1997 Energy migration and up-conversion in Cs₂NaEr_xY_1-xC_l6 at 1.2 K

Maya Campbell, Werner Humbs, Johann Strasser, Hartmut Yersin, Colin D. Flint

Proceedings Volume 3176, Tunable Solid State Lasers; (1997) https://doi.org/10.1117/12.293432
Event: Tunable Solid State Lasers, 1996, Wroclaw, Poland

Abstract

Low temperature, high resolution emission spectra have been measured for the pure and diluted erbium elpasolites, Cs₂NaEr_xY_1-xCl₆ from the ⁴G_11/2, ²G_11/2, ⁴S_3/2, ⁴F_9/2, and ⁴I_9/2 excited states of Er³⁺ under 364 nm argon laser excitation. A number of these spectra show some unusual features which are consistent with migration of the excitation energy within the lattice leading to excitation of luminescence from defect sites. The nature of the defect sites is discussed and possible mechanisms leading to the migration of the excitation energy within the lattice are explored.

Citation Download Citation

Maya Campbell, Werner Humbs, Johann Strasser, Hartmut Yersin, and Colin D. Flint "Energy migration and up-conversion in Cs₂NaEr_xY_1-xC_l6 at 1.2 K", Proc. SPIE 3176, Tunable Solid State Lasers, (1 November 1997); https://doi.org/10.1117/12.293432

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