Простой способ генерации поляризационно-неоднородного лазерного излучения, основанный на применении ДОЭ

Карпеев С.В., Хонина С.Н.

Аннотация:
Предложена простая модификация разработанной ранее оптической системы для генерации поляризационно-неоднородного лазерного излучения, основанная на применении ДОЭ с несущей частотой. Уменьшение габаритов и веса оптической системы, снижение потерь световой энергии, а также уменьшение числа согласуемых параметров и упрощение настройки достигнуто за счёт исключения из оптической схемы линз. Полностью сохраняются все функции предыдущей версии системы, а именно: универсальность и простота перестройки на разные типы поляризаций. Проведённые эксперименты показали улучшение качества формирования пучков.

Abstract:
Simple updating developed before optical system for generation of the inhomogeneously polarized laser beams, based on application of DOEs with carrier frequency, is offered. Reduction of sizes and weights of optical system, decrease in losses of light energy, and also reduction of number ar-ranged parameters and simplification of adjustmentis reached due to exception of lenses in the op-tical scheme. Advantages of the previous version of system, namely universality and simplicity of reorganization for different types of polarization are completely kept. The executed experiments have shown improvement of beam formation quality.

Ключевые слова :
поляризационно-неоднородные пучки, радиальная и азимутальная поляризация, когерентная суперпозиция, дифракционные оптические элементы, несущая частота.

Key words:
inhomogeneously polarized beams, radial and azimutal polarization, coherent superposition, diffractive optical elements, carrier frequency.

Литература:

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