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Infrared Absorption and Laser Spectroscopy of Ho3+ Doped K2YF5 Microparticles

arXiv
Authors: Pakwan Chanprakhon, Michael F. Reid, Jon-Paul R. Wells

Year

2025

Paper ID

51050

Status

Preprint

Abstract Read

~2 min

Abstract Words

99

Citations

N/A

Abstract

High-resolution absorption and laser spectroscopy are used to determine electronic energy levels for Ho3+ ions in K2YF5 microparticles. A total of 72 crystal-field energy levels, distributed among 8 multiplets, are assigned. This optical data is used for crystal-field modelling of the electronic structure of Ho3+ in K2YF5. Partially-resolved hyperfine splittings are accurately reproduced by the model. The temperature dependence of the fluorescent lifetime of the 5F5 multiplet is measured and the temperature dependence of the non-radiative relaxation is modelled by a five-phonon process. Preliminary measurements of infra-red to visible upconversion in microparticles co-doped with Ho3+ and Yb3+ is reported.

Why This Paper Matters

  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
  • It adds a 2025 reference point for readers tracking recent quantum research.
  • High-resolution absorption and laser spectroscopy are used to determine electronic energy levels for Ho^3+ ions in K2YF5 microparticles.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2510.16345 [2] arXiv https://arxiv.org/abs/2510.16345 [3] Publisher https://arxiv.org/abs/2510.16345

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