A study of the multi-mode pumping of terahertz parametric oscillators

被引：4
|
作者：
Li, J. Q. [1 ,2 ]
Wang, Y. Y. [1 ,2 ]
Xu, D. G. [1 ,2 ]
Li, Z. X. [1 ,2 ]
Yan, C. [1 ,2 ]
Liu, P. X. [1 ,2 ]
Yao, J. Q. [1 ,2 ]
机构：
[1] Tianjin Univ, Inst Laser & Optoelect, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Key Lab Optoelect Informat Sci & Technol, Minist Educ, Tianjin 300072, Peoples R China
来源：
LASER PHYSICS | 2014年 / 24卷 / 10期
基金：
中国国家自然科学基金;
关键词：
terahertz-wave parametric oscillator; pump mode; output characteristics; SURFACE-EMITTED CONFIGURATION; TECHNOLOGY; GENERATION; RADIATION;
D O I：
10.1088/1054-660X/24/10/105401
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We experimentally study the influence of multi-transverse-mode pumping on the output characteristics of terahertz parametric oscillators (TPO). We show in our experiments that the quality of the pumping beam affected the output power significantly. The terahertz output energy varied from 172 nJ to 17 nJ when the M-2 value of the pump beam varied from 4.21 to 11.1 under the same pumping energy of 120 mJ/pulse. The experimental results were explained by the gain enhancement effect in stimulated Raman emission under multi-mode pumping.
引用
收藏
页数：4
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