Analysis and 3D Imaging of Multidimensional Complex THz Fields and 3D Diagnostics Using 3D Visualization via Light Field

被引：0
|
作者：
Gerasimov, Michael [1 ,2 ]
Yahya, Adnan Haj [2 ,3 ]
Nave, Vadim Patrick [3 ]
Dyunin, Egor [2 ]
Gerasimov, Jacob [1 ,2 ,3 ]
Friedman, Aharon [1 ,2 ]
机构：
[1] Ariel Univ, Dept Elect Engn & Elect, IL-40700 Ariel, Israel
[2] Schlesinger Family Ctr Compact Accelerators Radiat, IL-40700 Ariel, Israel
[3] Ariel Univ, Dept Phys, IL-40700 Ariel, Israel
来源：
COMPUTATION | 2023年 / 11卷 / 08期
关键词：
wigner distribution function (WDF); light field; FEL; 3D visualization; diagnostics; THz; terahertz radiation; compact accelerators; transmission line; homemade code; WIGNER DISTRIBUTION FUNCTION;
D O I：
10.3390/computation11080160
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We present a numerical platform for 3D imaging and general analysis of multidimensional complex THz fields. A special 3D visualization is obtained by converting electromagnetic (EM) radiation to a light field via the Wigner distribution function, which is known for discovering (revealing) hidden details. This allows for 3D diagnostics using the simple techniques of geometrical optics, which significantly facilitates the whole analysis. This simulation was applied to a complex field composed of complex beams emitted as ultra-narrow femtosecond pulses. A method was developed for the generation of phase-amplitude and spectral characteristics of complex multimode radiation in a free-electron laser (FEL) operating under various parameters. The tool was successful at diagnosing an early design of the transmission line (TL) of an innovative accelerator at the Schlesinger Family Center for Compact Accelerators, Radiation Sources, and Applications.
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页数：19
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