Multisites and energy transfer in Cr3+-Nd3+ codoped Y3Al5O12 and YAlO3 laser crystals

J. Mares, W. Nie, G. Boulon
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引用次数: 24

Abstract

Cr 3+ multisites, Cr 3+ →Nd 3+ energy transfer and spectroscopic properties of Cr 3+ codoped YAG:Nd and YAP:Nd crystals have been studied in detail. As in YAG:Cr, several multisites have been observed in YAP:Cr crystals. The Cr 3+ →Nd 3+ energy transfer is slightly more efficient in YAP:Nd, Cr than in YAG:Nd, Cr On etudie en detail les proprietes spectroscopiques, la presence de multisites relatifs a l'ion Cr 3+ et les transferts d'energie entre les ions Cr 3+ et Nd 3+ dans des cristaux lasers du type YAG:Nd et YAP:Nd. Comme pour le cristal YAG:Cr, plusieurs multisites ont en effet ete mis en evidence avec YAP:Cr. Le transfert d'energie Cr 3+ →Nd 3+ est un peu plus efficace avec YAP:Cr, Nd qu'avec YAG:Cr, Nd
Cr3+-Nd3+共掺Y3Al5O12和YAlO3激光晶体的多位点和能量转移
详细研究了Cr +共掺杂YAG:Nd和YAP:Nd晶体的多位点、Cr +→Nd +能量转移和光谱性质。与YAG:Cr晶体一样,在YAP:Cr晶体中也观察到几个多位点。在YAG:Nd, Cr中,Cr 3+→Nd 3+的能量转移比YAG:Nd, Cr中效率稍高。通过对光谱的详细研究,发现存在多位点关系,cl3 + +→Nd 3+离子的能量转移与cl3 +→Nd 3+离子的能量转移与YAG:Nd→YAP:Nd晶体激光器的能量转移之间存在多位点关系。通过对YAP:Cr晶体的研究,我们发现YAP:Cr晶体在不同的位置上具有不同的作用。转能:Cr +→Nd + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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