Measuring Geometric Parameters of a High-Power Infrared Laser Beam near the Focus for Applications in a Laser-Plasma Short-Wave Radiation Source

被引：1
|
作者：
Belashov, A. V. [1 ]
Butorin, P. S. [1 ]
Zadiranov, Yu. M. [1 ]
Kalmykov, S. G. [1 ]
Maximov, V. A. [1 ]
Sasin, M. E. [1 ]
Serdobintsev, P. Yu. [2 ,3 ]
机构：
[1] Ioffe Inst, St Petersburg 197101, Russia
[2] Peter Great St Petersburg Polytech Univ, St Petersburg 197101, Russia
[3] St Petersburg Univ, St Petersburg 199034, Russia
来源：
OPTICS AND SPECTROSCOPY | 2020年 / 128卷 / 08期
基金：
俄罗斯基础研究基金会;
关键词：
laser plasma; laser; focus; caustic surface; waist; ablation;
D O I：
10.1134/S0030400X2008007X
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Measurements of geometric parameters of a high-power infrared laser beam have been realized by three methods. The obtained results are in a satisfactory agreement with each other. When focusing the beam with wavelength of 1.064 mu m with a specially designed non-aberrational objective, a focal spot of approximately 40 mu m diameter could be obtained, with the waist length being 230-280 mu m. The measured parameters give an idea of the size of a laser plasma generated by this beam on a Xe gas microjet.
引用
收藏
页码：1338 / 1341
页数：4
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