Investigation of nonlinear characteristics of intensity limiters of high-power laser radiation

被引：9
|
作者：
Tereshchenko, S. A. [1 ]
Podgaetskii, V. M. [1 ]
Gerasimenko, A. Yu. [1 ]
Savel'ev, M. S. [1 ]
机构：
[1] Natl Res Univ Elect Technol MIET, Moscow 124498, Russia
来源：
OPTICS AND SPECTROSCOPY | 2014年 / 116卷 / 03期
关键词：
REVERSE SATURABLE ABSORPTION; OPTICAL PROPERTIES; CARBON NANOTUBES; MECHANISMS; PARAMETERS;
D O I：
10.1134/S0030400X14030217
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The problem of determining nonlinear-optical characteristics of working substances of limiters of high-power laser radiation is analyzed. A new method of simultaneous calculation of the beam-waist radius and nonlinear absorption coefficient from the Z-scan data is proposed. The value of nonlinear optical characteristics of ZnSe, porphyrin-graphene (Graphene-TPP), fullerene-graphene (Graphene-60), polyethylene oxide containing multilayer carbon nanotubes (PEO/MWNT), along with polymethine dyes PD-792 and PD-7098 and dicyanomethylene-pyran dyes DCM-627 and DCM-684, are obtained. Different working substances are compared for the first time under the same conditions by plotting output characteristics of laser-radiation limiters. The change of the laser-pulse shape after propagation through the limiters with different working substances is demonstrated.
引用
收藏
页码：454 / 461
页数：8
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