Second-harmonic conical refraction: observation of free and forced harmonic waves

被引：9
作者：
Zolotovskaya, S. A. [1 ]
Abdolvand, A. [1 ]
Kalkandjiev, T. K. [2 ]
Rafailov, E. U. [1 ]
机构：
[1] Univ Dundee, Sch Engn Phys & Math, Dundee DD1 4HN, Scotland
[2] Conerefringent Opt SL, Barcelona 08800, Spain
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2011年 / 103卷 / 01期
关键词：
DIFFRACTION; LASER; CRYSTALS;
D O I：
10.1007/s00340-011-4484-5
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Observation of second-harmonic conical refraction in KTiOPO4 crystal is reported. Two second-harmonic conical patterns, namely forced and free harmonic waves, are identified and registered with exceptional clarity and level of details. The forced second-harmonic wave evolves into the characteristic ring intensity distribution while the free-harmonic wave gives a single ray direction, resulting in a spot.
引用
收藏
页码：9 / 12
页数：4
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