Studies of Terahertz Sources and Their Applications

Autor:	Sukhmander Singh, Shravan Kumar Meena, Ashish Tyagi, Sanjeev Kumar, Man Raj Meena, Sujit Kumar Saini
Jazyk:	angličtina
Rok vydání:	2022
Předmět:	Physics::Plasma Physics Physics::Optics
Zdroj:	Intelligent Electronics and Circuits-Terahertz, ITS, and Beyond Intelligent Electronics and Circuits-Terahertz, ITS, and Beyond ISBN: 9781803550008
Popis:	The contributed chapter discuss the applications of terahertz radiations and its generation mechanism through laser plasma interactions. The methods of generation of terahertz radiations from plasma wake field acceleration, higher harmonic generation and the laser beat wave plasma frequency are reviewed. The nonlinear current density oscillate the plasma at beat wave frequency under the effect of ponderomotive force and excite the terahertz radiation at beat wave frequency. The current state of the arts of the methods of generation has been incorporated. The mathematical expression of ponderomotive force has been derived under the influence of gradient of laser fields. In additions, the future challenge and their overcomes are also been discussed.
Databáze:	OpenAIRE
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