Highly efficient frequency doubling of visible dye laser radiation in RDP

摘要

The highly efficient frequency doubling of the high‐power visible dye laser radiation in rubidium dihydrogen phosphate (RDP) is reported. An over‐all power conversion efficiency of 52% was obtained at a fundamental pump power of 7 MW at 6370 Å. In addition, the temperature variation of the birefringence of RDP has been measured to be d (ne2-n01)/dT= (1.1±0.1) ×10-5 °C-1.