OPTICS & PHOTONICS International Congress 2024
Apr 22 - Apr 26, 2024PACIFICO Yokohama, Japan
OPTICS & PHOTONICS International Congress 2024
Apr 22 - Apr 26, 2024PACIFICO Yokohama, Japan
[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.