Numerical studying of soft x-ray emitted from porous target irradiated by high power subnanosecond laser beam and the effect of plasma opacity

2013 ◽  
Author(s):  
Mohammad H. Mahdieh ◽  
Hossein Mozaffari
Keyword(s):  
Laser Beam ◽  
High Power ◽  
X Ray

Generation of thermal x-ray radiation in high-Z cavities using high power glass laser beam

2003 ◽  
Author(s):  
Y. B. Prasad ◽  
A. S. Joshi ◽  
V. K. Senecha ◽  
M. P. Kamath ◽  
P. Khare ◽  
...  
Keyword(s):  
Laser Beam ◽  
High Power ◽  
Glass Laser ◽  
X Ray

Cutting of steels by high-power CO laser beam

1988 ◽  
Author(s):  
Shunich Sato ◽  
Kunimitsu Takahashi ◽  
Hideaki Saito ◽  
Masato Sugimoto ◽  
Tomoo Fujioka ◽  
...  
Keyword(s):  
Laser Beam ◽  
High Power ◽  
Co Laser

Soft X-ray emission from an anharmonic collisional nanoplasma by a laser–nanocluster interaction

2021 ◽  
Vol 87 (3) ◽  
Author(s):  
R. Nemati Siahmazgi ◽  
S. Jafari
Keyword(s):  
Electric Field ◽  
Laser Beam ◽  
Resonant Frequency ◽  
Restoring Force ◽  
Cluster Radius ◽  
X Ray ◽  
Nonlinear Restoring Force ◽  
Cluster Temperature ◽  
Argon Clusters ◽  
Helium Neon

The purpose of the present paper is to investigate the generation of soft X-ray emission from an anharmonic collisional nanoplasma by a laser–nanocluster interaction. The electric field of the laser beam interacts with the nanocluster and leads to ionization of the cluster atoms, which then produces a nanoplasma. Because of the nonlinear restoring force in an anharmonic nanoplasma, the fluctuations and heating rate of, as well as the power radiated by, the electrons in the nanocluster plasma will be notably different from those arising from a linear restoring force. By comparing the nonlinear restoring force state (which arises from an anharmonic cluster) with that of the linear restoring force (in harmonic clusters), the cluster temperature specifically changes at the resonant frequency relative to the linear restoring force, while the variation of the anharmonic cluster radius is almost identical to that of the harmonic cluster radius. In addition, it is revealed that a sharp peak of X-ray emission arises after some picoseconds in deuterium, helium, neon and argon clusters.

scholarly journals Investigation of serial coherent laser beam combination based on Brillouin amplification

2007 ◽  
Vol 25 (1) ◽  
pp. 79-83 ◽  
Author(s):  
SHUANGYI WANG ◽  
ZHIWEI LÜ ◽  
DIANYANG LIN ◽  
LEI DING ◽  
DONGBIN JIANG
Keyword(s):  
Laser Beam ◽  
High Power ◽  
Simple Structure ◽  
Low Cost ◽  
Coupling Efficiency ◽  
Laser Beams ◽  
Beam Combination ◽  
Multiple Beams ◽  
Combination Scheme ◽  
Stokes Beam

Based on transferring energy from multiple pump beams into one Stokes beam using Brillouin amplification, a serial coherent laser beam combination scheme is presented, which has many advantages, such as, simple structure, low cost, ease of adjustment, higher load capability, scalable easily, etc. Furthermore, it has been demonstrated that the combination of several beams using this method is theoretically possible. But in practice, the amplification of high power Stokes beam is a key problem to solve. In this paper, the amplification of Stokes beam whose power is higher than the pump beam is first studied and proved experimentally. Coupling the two laser beams by this method is proved experimentally, and the coupling efficiency reaches more than 80%. Then the feasibility of multiple beams combination based on Brillouin amplification is analyzed and tested theoretically.

scholarly journals Probing Physics in Vacuum Using an X-ray Free-Electron Laser, a High-Power Laser, and a High-Field Magnet

2017 ◽  
Vol 7 (7) ◽  
pp. 671 ◽  
Author(s):  
Toshiaki Inada ◽  
Takayuki Yamazaki ◽  
Tomohiro Yamaji ◽  
Yudai Seino ◽  
Xing Fan ◽  
...  
Keyword(s):  
High Power ◽  
Free Electron ◽  
Free Electron Laser ◽  
High Field ◽  
High Power Laser ◽  
Power Laser ◽  
X Ray ◽  
High Field Magnet
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