The impact of Er/Tm impurities in Yb:YLF on anti-Stokes fluorescence cooling

Stefan Pueschel

Presentation information

ALPS2024 » Oral Presentation

Novel optical materials/structure and applications (3)

Mon. Apr 22, 2024 3:45 PM - 5:00 PM 511+512 (Pacifico Yokohama Conference Center)

Session Chair: Valentin Petrov (Max Born Institute)

4:45 PM - 5:00 PM

[ALPS8-04] The impact of Er/Tm impurities in Yb:YLF on anti-Stokes fluorescence cooling

*Stefan Pueschel¹, Christian Kränkel¹, Hiroki Tanaka¹ (1. Leibniz Institut für Kristallzüchtung (IKZ))

Energy transfer processes from Yb³⁺ to Er³⁺ and Tm³⁺ in YLF are investigated to quantify their influence on anti-Stokes fluorescence cooling. We revealed that Er³⁺ causes a significant intensity dependence on the laser cooling efficiency.

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