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July 1, 2014Optical Memory and Neural Networks

Optical elements for focusing of terahertz laser radiation in a given two-dimensional domain

Andrey Nikolaevich Agafonov Boris O. Volodkin А. К. Кавеев B. A. Knyazev Г. И. Кропотов K. N. Tykmakov Vladimir Pavelyev Ekaterina V. Tsygankova D. I. Tsypishka Yu. Yu. Choporova

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Abstract

Binary silicon-based diffractive optical element (DOE)—Gaussian-to-Square focuser (diameter of aperture is 30 mm) for the terahertz spectral range has been designed and characterized using terahertz radiation of the Novosibirsk Free Electron Laser (NovoFEL) at the wavelength of 141 μm. The preliminary experiments have demonstrated feasibility of application of binary silicon DOE for focusing of terahertz radiation into pre-given focal domain.

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Agafonov et al. (2014) studied this question.

synapsesocial.com/papers/6ac2fac98a2a479f1e6394e5 https://doi.org/10.3103/s1060992x14030023

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