Thermal lens effect induced by high power diode laser beam in liquid ethanol and its influence on a probe laser beam quality

被引：8
|
作者：
Mandieh, M. H. [1 ]
Jafarabadi, M. Akbari [1 ]
Ahmadinejad, E. [1 ]
机构：
[1] Iran Univ Sci & Technol, Dept Phys, Tehran, Iran
来源：
XX INTERNATIONAL SYMPOSIUM ON HIGH-POWER LASER SYSTEMS AND APPLICATIONS 2014 | 2015年 / 9255卷
关键词：
Thermal lens effect; Absorbing sample; Pump- probe configuration; Beam quality; high power laser beams; EFFECT COMPENSATION;
D O I：
10.1117/12.2065656
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we present results of experimental investigation of the thermal lens effect in ethanol by a dual beam arrangement. The influence of thermal lens strength on a probe beam passing through this thermal lens medium was analyzed. Thermal lens was induced by focusing the beam of a high power diode laser in ethanol and the profile of a He-Ne laser as a probe beam was inspected. The comparison of the He-Ne laser beam profile in the condition of various diode laser beam powers shows that the beam quality of the probe can be significantly affected and the its deformed profile depends on the strength of thermal lens effect.
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页数：7
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