A numerical study on the effect of temperature gradient on the growth stability of Yb:YAG crystals grown using the EFG method

Key Points

• The study aims to investigate how temperature gradient affects the growth stability of Yb:YAG crystals produced by the EFG method.
• Conducted a numerical study on temperature gradient adjustments
• Optimized graphite carbon felt thickness to enhance die-top temperature
• Monitored growth conditions of Yb:YAG crystals during the process
• Found that optimized temperature gradient improves crystal growth stability
• Larger sized Yb:YAG crystals were achieved with adjustments made
• Growth performance was notably enhanced by the thickness of graphite felt