发明授权
US5173911A Mixed silicates of yttrium and lanthanide and laser using monocrystals of these silicates 失效
使用这些硅酸盐的单晶的铝和蓝宝石和激光的混合硅酸盐

Mixed silicates of yttrium and lanthanide and laser using monocrystals
of these silicates
摘要:
Mixed silicates of yttrium and lanthanide and laser using monocrystals of these silicates. The laser has a laser cavity (2) containing as the light emitter a monocrystal (4), means (12,14) for amplifying the light from the monocrystal, means (14) for removing light from the laser cavity and optical pumping means (6), characterized in that the monocrystal is of formula (I):Y.sub.2-2x-2y M.sub.2x Yb.sub.2y SiO.sub.5 (I)in which M represents a lanthanide chosen from among erbium and thulium and x and y represent numbers such that 0
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