研究了Ni2+掺杂近化学计量比铌酸锂(Ni2+:SLN)晶体的近红外发光特性.用980 nm LD光激发,Ni2+:SLN单晶的近红外发光中心位于1087 nm,荧光峰半高宽约为72 nm.晶体荧光衰减特性的测定结果表明,其室温荧光寿命为～240μs.晶体的近红外的宽带发光,源于Ni2+离子八面体格位的3T2g(3F)→3A2g(3F)能级跃迁.
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