Dispersive properties of alexandrite and beryllium hexaaluminate crystals

被引：38
作者：
Loiko, Pavel [1 ]
Major, Arkady [2 ]
机构：
[1] Belarusian Natl Tech Univ, COMT, 65-17 Nezavisimosti Ave, Minsk 220010, BELARUS
[2] Univ Manitoba, Dept Elect & Comp Engn, 75A Chancellors Circle, Winnipeg, MB R3T 5V6, Canada
来源：
OPTICAL MATERIALS EXPRESS | 2016年 / 6卷 / 07期
基金：
加拿大自然科学与工程研究理事会;
关键词：
PHYSICAL-PROPERTIES; CONICAL REFRACTION; PULSES;
D O I：
10.1364/OME.6.002177
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Cr3+- and Ti3+-doped crystals of chrysoberyl (BeAl2O4) and beryllium hexaaluminate (BeAl6O10) are very attractive for generation of near-IR ultrashort laser pulses in a few-optical-cycle regime from mode-locked oscillators. This work presents a detailed study of dispersive properties of both crystals, which is necessary for optimal dispersion control in such lasers. Sellmeier equations for the chrysoberyl (Cr:BeAl2O4 - Alexandrite) and BeAl6O10 crystals were derived and second-and third-order dispersive properties (GVD and TOD, respectively) were analyzed. Position of the optical axes and conicity angle were also predicted for these biaxial crystals which is of practical importance for their applications as conerefringent elements in lasers and laser beam shapers. (C) 2016 Optical Society of America
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收藏
页码：2177 / 2183
页数：7
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