Radiation properties of a whispering-gallery-mode fibre laser based on skew light pumping

被引：0
|
作者：
Zhang Yuan-Xian [1 ]
Feng Yong-Li [1 ]
Zhou Li [1 ]
Pu Xiao-Yun [1 ]
机构：
[1] Yunnan Univ, Dept Phys, Kunming 650091, Peoples R China
来源：
ACTA PHYSICA SINICA | 2010年 / 59卷 / 03期
基金：
中国国家自然科学基金;
关键词：
fibre laser; whispering-gallery-mode; wavelength shift; wavelength spacing between TE & TM waves; CYLINDRICAL MICROCAVITY LASER; THRESHOLD;
D O I：
10.7498/aps.59.1802
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The radiation properties of a whispering-gallery-mode (WGM) fibre laser based on skew beam pumping have been studied. It is found from experiment that when pumped by skew light along the fibre's axis, both transverse electric wave (TE) and transverse magnetic wave (TM) exist in WGM lasing emission simultaneitly. With the increase of refractive index of cladding dye solution, the wavelength spacing between TE and TM waves of which the radial mode number and angular mode number are the same value decreases, and the central lasing wavelength of WGM bluely shifts to short wavelength direction. Based on radiation theory of WGM fibre laser and a model of four-energy levels of dye laser, the obtained experimental results are well explained.
引用
收藏
页码：1802 / 1808
页数：7
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