Description of high-power laser radiation in the paraxial approximation

We consider the feasibility of an adequate description of a laser pulse of arbitrary shape within the framework of the paraxial approximation. In this approximation, using a parabolic equation and an expansion in the small parameter, expressions are obtained for the field of a sufficiently intense laser radiation given in the form of axially symmetric Hermite-Gaussian beams of arbitrary mode and arbitrary polarisation. It is shown that in the case of sufficiently short pulses, corrections to the transverse components of the laser field are the first-order rather than the second-order quantities in the expansion in the small parameter. The peculiarities of the description of higher-mode Hermite-Gaussian beams are outlined. © 2015 Kvantovaya Elektronika and Turpion Ltd.

Редакторы
-
Журнал
Издательство
-
Номер выпуска
11
Язык
Английский
Страницы
1063-1068
Статус
Опубликовано
Подразделение
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Номер
-
Том
45
Год
2015
Организации
  • 1 Peoples' Friendship University of Russia, ul. Miklukho-Maklaya 6, Moscow, 117198, Russian Federation
Ключевые слова
Hermite-Gaussian beams; Higher modes; Laser pulse; Paraxial approximation
Дата создания
19.10.2018
Дата изменения
19.10.2018
Постоянная ссылка
https://repository.rudn.ru/ru/records/article/record/4645/