2013
DOI: 10.3103/s1062873813090037
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Diffractive lenses for high-power terahertz radiation beams

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Cited by 12 publications
(10 citation statements)
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“…A limited number of substances are suitable for use as "optical quality" transparent materials in the terahertz range. High-numerical-aperture kinoform lenses [10] made of high-density polypropylene 0.8 mm thick, which turned out to be resistant to intense THz radiation, enabled obtaining images with a diffraction-limited resolution [11]. Another radiation-resistant material, high-resistivity silicon, has better mechanical characteristics and many technological processes can be applied to its treatment.…”
Section: B Optical Elementsmentioning
confidence: 99%
“…A limited number of substances are suitable for use as "optical quality" transparent materials in the terahertz range. High-numerical-aperture kinoform lenses [10] made of high-density polypropylene 0.8 mm thick, which turned out to be resistant to intense THz radiation, enabled obtaining images with a diffraction-limited resolution [11]. Another radiation-resistant material, high-resistivity silicon, has better mechanical characteristics and many technological processes can be applied to its treatment.…”
Section: B Optical Elementsmentioning
confidence: 99%
“…Получение бинарного микрорельефа высотой 29,1 мкм на поверхности под-ложки производилось с помощью реактивно-ионного травления кремния (РИТ). Была использована техноло-гия формирования бинарного микрорельефа на поверх-ности кремниевой пластины, ранее использованная в [5][6][7] для изготовления бинарных дифракционных линз и делителей пучка терагерцового диапазона. Изготовле-ние элементов осуществлялось в Научно-образователь-ном центре нанотехнологий СГАУ.…”
Section: синтез доэ согласованныхunclassified
“…Известны результаты исследования кремниевых бинар-ных дифракционных линз [5,6] и делителей пучка [6] для управления лазерным терагерцовым излучением.…”
Section: Introductionunclassified
“…Creating of optical elements with a periodic structure on the surface of the crystals is not new [1][2]. One of the methods of obtaining complex microrelief is etching.…”
Section: Introductionmentioning
confidence: 99%