Characterisation of nonlinear conversion and crystal quality in Nd- and Yb-doped YAB

被引：28

作者：

Dekker, P ^{[1
]}

Dawes, JM ^{[1
]}

机构：

[1] Macquarie Univ, Ctr Lasers & Applicat, N Ryde, NSW 2109, Australia

来源：

OPTICS EXPRESS | 2004年 / 12卷 / 24期

关键词：

D O I：

10.1364/OPEX.12.005922

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Variable crystal quality affects the laser performance of many self-frequency doubling crystals, particularly those of the yttrium aluminum borate family. In this report we characterize nonlinear frequency conversion in Yb:YAB and demonstrate a simple non-destructive technique for measuring crystal quality. By imaging the nonlinear conversion using a CCD camera we observe phase matching characteristics similar to that obtained in quasi-phase-matched crystals. These effects are attributed to stacking faults in the structure of the YAB crystal during crystal growth. We believe that such defects cause the large variability in self-doubled performance reported for Nd- or Yb-doped YAB and that our technique may be used as a nondestructive measurement of crystal quality. (C) 2004 Optical Society of America.

引用

页码：5922 / 5930

页数：9

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