Athermal directions in KGd(WO4)2 and KLu(WO4)2 crystals under uniform heating

被引：4

作者：

Filippov, V. V. ^{[1
]}

机构：

[1] Belarusian Natl Acad Sci, Stepanov Inst Phys, Minsk 220072, BELARUS

来源：

APPLIED OPTICS | 2013年 / 52卷 / 18期

关键词：

HIGH-POWER; CONTINUOUS-WAVE; LASER; YTTERBIUM; KRE(WO4)(2); KY(WO4)(2); LU; GD; RE;

D O I：

10.1364/AO.52.004377

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Athermal (AT) propagation directions in KGd(WO4)(2) and KLu(WO4)(2) crystals are found for two configurations (monolithic and laser cavity) at two wavelengths of 633 and 1064 nm. Four branches of solutions for AT directions exist for both configurations in KGd(WO4)(2) and for the laser cavity configuration in KLu(WO4)(2); for the monolithic configuration there are one or two branches for wavelengths of 633 and 1064 nm, respectively. Two of the branches for the laser cavity configuration pass in the vicinity of the crystal optical axis, where solutions are extremely sensitive to the direction of propagation. In some cases discrepancy in thermo-optic and thermal expansion parameters found by different authors may lead to the appearance (or disappearance) of AT directions. (C) 2013 Optical Society of America

引用

页码：4377 / 4384

页数：8

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