CRYSTAL FOR EYE-SAFE LASER

摘要

PROBLEM TO BE SOLVED: To provide a crystal for eye-safe lasers which have high conversion efficiency. SOLUTION: The crystal for eye-safe lasers comprises a single crystal of fluoride, represented by the formulas Tmx Hoy LiY(1-x-y) F4 and Tmx Hoy LiLu(1-x-y) F4 , where (x) and (y) are in the respective range of 0.001<x<0.1 and 0.0001<y<0.01.