Diamond diffractive lens with a continuous profile for powerful terahertz radiation

Maxim Komlenok; Taras Kononenko; Dmitry Sovyk; Vladimir Pavelyev; Boris Knyazev; Evgeny Ashkinazi; Anton Reshetnikov; Gennadii Komandin; Vladimir Pashinin; Victor Ralchenko; Vitaly Konov

doi:10.1364/OL.414097

Diamond diffractive lens with a continuous profile for powerful terahertz radiation

Maxim Komlenok, Taras Kononenko, Dmitry Sovyk, Vladimir Pavelyev, Boris Knyazev, Evgeny Ashkinazi, Anton Reshetnikov, Gennadii Komandin, Vladimir Pashinin, Victor Ralchenko, Vitaly Konov

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

Аннотация

An increase in the radiation power of terahertz (THz) sources requires the development of new optics working with it. The laser-assisted replication technique is proposed to fabricate the diamond cylindrical diffractive lens with a continuous profile for the THz range. The procedure involves the inverted structuring of a silicon substrate by laser ablation for its further replication to the diamond surface utilizing the chemical vapor deposition process. Testing of the fabricated lens performed with a free-electron laser at the wavelength of 141 µm has demonstrated high diffraction efficiency (95 ± 5%) and a good agreement between the measured and expected intensity distribution in the focal plane.

Язык оригинала	английский
Страницы (с-по)	340-343
Число страниц	4
Журнал	Optics Letters
Том	46
Номер выпуска	2
DOI	https://doi.org/10.1364/OL.414097
Состояние	Опубликовано - 15 янв 2021

Предметные области OECD FOS+WOS

1.03 ФИЗИЧЕСКИЕ НАУКИ И АСТРОНОМИЯ
1.03.SY ОПТИКА

Доступ к документу

10.1364/OL.414097

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title = "Diamond diffractive lens with a continuous profile for powerful terahertz radiation",

abstract = "An increase in the radiation power of terahertz (THz) sources requires the development of new optics working with it. The laser-assisted replication technique is proposed to fabricate the diamond cylindrical diffractive lens with a continuous profile for the THz range. The procedure involves the inverted structuring of a silicon substrate by laser ablation for its further replication to the diamond surface utilizing the chemical vapor deposition process. Testing of the fabricated lens performed with a free-electron laser at the wavelength of 141 µm has demonstrated high diffraction efficiency (95 ± 5%) and a good agreement between the measured and expected intensity distribution in the focal plane.",

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note = "Funding Information: Russian Foundation for Basic Research (18-32-20226). The experiments were carried out using the infrastructure of (i) the shared research facility Siberian Synchrotron and Terahertz Radiation Center (SSTRC) based on NovoFEL of BINP SB RAS, and (ii) D. Mendeleev Center for collective use of scientific equipment (Moscow). Publisher Copyright: {\textcopyright} 2021 Optical Society of America Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",

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Diamond diffractive lens with a continuous profile for powerful terahertz radiation. / Komlenok, Maxim; Kononenko, Taras; Sovyk, Dmitry; Pavelyev, Vladimir ; Knyazev, Boris; Ashkinazi, Evgeny; Reshetnikov, Anton; Komandin, Gennadii; Pashinin, Vladimir; Ralchenko, Victor; Konov, Vitaly.

В: Optics Letters, Том 46, № 2, 15.01.2021, стр. 340-343.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

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AU - Komlenok, Maxim

AU - Kononenko, Taras

AU - Sovyk, Dmitry

AU - Pavelyev, Vladimir

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AU - Ashkinazi, Evgeny

AU - Reshetnikov, Anton

AU - Komandin, Gennadii

AU - Pashinin, Vladimir

AU - Ralchenko, Victor

AU - Konov, Vitaly

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